diff --git a/MAINTAINERS b/MAINTAINERS
index ed838cf34d33e75adfa20454e0c296a325186598..dc6758faf2dda96b91d712e61a7a7e9d70ae733b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -301,6 +301,7 @@ S: Supported
F: drivers/acpi/
F: drivers/pnp/pnpacpi/
F: include/linux/acpi.h
+F: include/linux/fwnode.h
F: include/acpi/
F: Documentation/acpi/
F: Documentation/ABI/testing/sysfs-bus-acpi
@@ -310,6 +311,14 @@ F: drivers/pci/*/*acpi*
F: drivers/pci/*/*/*acpi*
F: tools/power/acpi/
+ACPI APEI
+M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
+M: Len Brown <lenb@kernel.org>
+L: linux-acpi@vger.kernel.org
+R: Tony Luck <tony.luck@intel.com>
+R: Borislav Petkov <bp@alien8.de>
+F: drivers/acpi/apei/
+
ACPI COMPONENT ARCHITECTURE (ACPICA)
M: Robert Moore <robert.moore@intel.com>
M: Lv Zheng <lv.zheng@intel.com>
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index e25c11e727fe5150f1792d29221cb03d98c4c7c0..b3162715ed78daefb5b47e0ae9b0035b02217af6 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -95,7 +95,7 @@ static int __init dt_scan_depth1_nodes(unsigned long node,
* __acpi_map_table() will be called before page_init(), so early_ioremap()
* or early_memremap() should be called here to for ACPI table mapping.
*/
-char *__init __acpi_map_table(unsigned long phys, unsigned long size)
+void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
{
if (!size)
return NULL;
@@ -103,7 +103,7 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
return early_memremap(phys, size);
}
-void __init __acpi_unmap_table(char *map, unsigned long size)
+void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
{
if (!map || !size)
return;
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 7508c306aa9e0d8124f5270e5f8b62cf2b7467b6..1d29b2f8726bbaadc24c91f825661f45d68b4c57 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -159,12 +159,12 @@ int acpi_request_vector(u32 int_type)
return vector;
}
-char *__init __acpi_map_table(unsigned long phys_addr, unsigned long size)
+void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
{
- return __va(phys_addr);
+ return __va(phys);
}
-void __init __acpi_unmap_table(char *map, unsigned long size)
+void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
{
}
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index e4585a393965b098ed6fafcc80e6d8129dab0dd8..a65cf544686aca2051ddeff71de9942c691f418a 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -39,6 +39,7 @@ static inline void vsmp_init(void) { }
#endif
void setup_bios_corruption_check(void);
+void early_platform_quirks(void);
extern unsigned long saved_video_mode;
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 97bb2caf342879ba365582d3bd7b1caab5f77dfe..f8ae286c15026908b60b49ee72fef6b827b7b515 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -118,7 +118,7 @@ static u32 isa_irq_to_gsi[NR_IRQS_LEGACY] __read_mostly = {
* This is just a simple wrapper around early_memremap(),
* with sanity checks for phys == 0 and size == 0.
*/
-char *__init __acpi_map_table(unsigned long phys, unsigned long size)
+void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size)
{
if (!phys || !size)
@@ -127,7 +127,7 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
return early_memremap(phys, size);
}
-void __init __acpi_unmap_table(char *map, unsigned long size)
+void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
{
if (!map || !size)
return;
@@ -199,8 +199,10 @@ static int __init
acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
{
struct acpi_madt_local_x2apic *processor = NULL;
+#ifdef CONFIG_X86_X2APIC
int apic_id;
u8 enabled;
+#endif
processor = (struct acpi_madt_local_x2apic *)header;
@@ -209,9 +211,10 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
acpi_table_print_madt_entry(header);
+#ifdef CONFIG_X86_X2APIC
apic_id = processor->local_apic_id;
enabled = processor->lapic_flags & ACPI_MADT_ENABLED;
-#ifdef CONFIG_X86_X2APIC
+
/*
* We need to register disabled CPU as well to permit
* counting disabled CPUs. This allows us to size
@@ -1083,7 +1086,7 @@ static void __init mp_config_acpi_legacy_irqs(void)
mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
#endif
set_bit(MP_ISA_BUS, mp_bus_not_pci);
- pr_debug("Bus #%d is ISA\n", MP_ISA_BUS);
+ pr_debug("Bus #%d is ISA (nIRQs: %d)\n", MP_ISA_BUS, nr_legacy_irqs());
/*
* Use the default configuration for the IRQs 0-15. Unless
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index a4516ca4c4f3c684a3b150435c0e851d60aa3b48..927abeaf63e27744125cab694bc0f4917dc1b449 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -12,10 +12,10 @@
#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/delay.h>
-#include <linux/dmi.h>
#include <linux/pci_ids.h>
#include <linux/bcma/bcma.h>
#include <linux/bcma/bcma_regs.h>
+#include <linux/platform_data/x86/apple.h>
#include <drm/i915_drm.h>
#include <asm/pci-direct.h>
#include <asm/dma.h>
@@ -594,7 +594,7 @@ static void __init apple_airport_reset(int bus, int slot, int func)
u64 addr;
int i;
- if (!dmi_match(DMI_SYS_VENDOR, "Apple Inc."))
+ if (!x86_apple_machine)
return;
/* Card may have been put into PCI_D3hot by grub quirk */
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index 0bee04d41bed04406de00732cb1d73e5f6f32c33..eaa591cfd98b4d4f466f9a2afd38b508d9daffd4 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -1,6 +1,7 @@
/*
* This file contains work-arounds for x86 and x86_64 platform bugs.
*/
+#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/irq.h>
@@ -656,3 +657,12 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, quirk_intel_brickland_xeon_
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2083, quirk_intel_purley_xeon_ras_cap);
#endif
#endif
+
+bool x86_apple_machine;
+EXPORT_SYMBOL(x86_apple_machine);
+
+void __init early_platform_quirks(void)
+{
+ x86_apple_machine = dmi_match(DMI_SYS_VENDOR, "Apple Inc.") ||
+ dmi_match(DMI_SYS_VENDOR, "Apple Computer, Inc.");
+}
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 9cc16a8417459427f330101578e23f6234dabadd..d84afb0a322dd8515fb91424eef6cc42fcbfaee2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1216,6 +1216,8 @@ void __init setup_arch(char **cmdline_p)
io_delay_init();
+ early_platform_quirks();
+
/*
* Parse the ACPI tables for possible boot-time SMP configuration.
*/
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index b1aacfc62b1f7107590c2907b02e3d678d0a1c2b..90265ab4437aef84cc413546c996f9edc6a39e17 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -50,6 +50,7 @@ acpi-$(CONFIG_ACPI_REDUCED_HARDWARE_ONLY) += evged.o
acpi-y += sysfs.o
acpi-y += property.o
acpi-$(CONFIG_X86) += acpi_cmos_rtc.o
+acpi-$(CONFIG_X86) += x86/apple.o
acpi-$(CONFIG_X86) += x86/utils.o
acpi-$(CONFIG_DEBUG_FS) += debugfs.o
acpi-$(CONFIG_ACPI_NUMA) += numa.o
diff --git a/drivers/acpi/acpi_lpat.c b/drivers/acpi/acpi_lpat.c
index c1c4877ca96caa44094a0d270d91e5c1eb84279e..2cd9f738812ba8c8615f2b659a05d4224968a034 100644
--- a/drivers/acpi/acpi_lpat.c
+++ b/drivers/acpi/acpi_lpat.c
@@ -25,7 +25,7 @@
* @raw: the raw value, used as a key to get the temerature from the
* above mapping table
*
- * A positive converted temperarure value will be returned on success,
+ * A positive converted temperature value will be returned on success,
* a negative errno will be returned in error cases.
*/
int acpi_lpat_raw_to_temp(struct acpi_lpat_conversion_table *lpat_table,
@@ -55,11 +55,11 @@ EXPORT_SYMBOL_GPL(acpi_lpat_raw_to_temp);
* acpi_lpat_temp_to_raw(): Return raw value from temperature through
* LPAT conversion table
*
- * @lpat: the temperature_raw mapping table
+ * @lpat_table: the temperature_raw mapping table
* @temp: the temperature, used as a key to get the raw value from the
* above mapping table
*
- * A positive converted temperature value will be returned on success,
+ * The raw value will be returned on success,
* a negative errno will be returned in error cases.
*/
int acpi_lpat_temp_to_raw(struct acpi_lpat_conversion_table *lpat_table,
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index f88caf5aab76217d73feb277b1918e399cc61beb..032ae44710e5d877770ce746f2412393f2171189 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -465,7 +465,8 @@ static int acpi_lpss_create_device(struct acpi_device *adev,
acpi_dev_free_resource_list(&resource_list);
if (!pdata->mmio_base) {
- ret = -ENOMEM;
+ /* Skip the device, but continue the namespace scan. */
+ ret = 0;
goto err_out;
}
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index f098e25b6b41142d2711d7d40dafe26c3b8ff4f3..86c10599d9f83e86517aa436d6d93f78839e0f5f 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -670,7 +670,7 @@ static acpi_status __init acpi_processor_ids_walk(acpi_handle handle,
}
-void __init acpi_processor_check_duplicates(void)
+static void __init acpi_processor_check_duplicates(void)
{
/* check the correctness for all processors in ACPI namespace */
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index b125bdd3d58bd097a8698109dc242b627aa2e41a..1709551bc4aa8bf518ba4eac1e30c2996692d5ca 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -18,6 +18,7 @@ acpi-y := \
dsmthdat.o \
dsobject.o \
dsopcode.o \
+ dspkginit.o \
dsutils.o \
dswexec.o \
dswload.o \
diff --git a/drivers/acpi/acpica/acapps.h b/drivers/acpi/acpica/acapps.h
index bb6a84b0b4b395e77d929c4bb3b5cb12c2ec9c6c..7a1a68b5ac5c3c329c0858b6023624df3a2e9856 100644
--- a/drivers/acpi/acpica/acapps.h
+++ b/drivers/acpi/acpica/acapps.h
@@ -114,6 +114,8 @@ ac_get_all_tables_from_file(char *filename,
u8 get_only_aml_tables,
struct acpi_new_table_desc **return_list_head);
+void ac_delete_table_list(struct acpi_new_table_desc *list_head);
+
u8 ac_is_file_binary(FILE * file);
acpi_status ac_validate_table_header(FILE * file, long table_offset);
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h
index 0d95c85cce066d5345f95581709adf9826cc0d36..f8f3a6e74128a05e379808003939cfcebb85520d 100644
--- a/drivers/acpi/acpica/acdispat.h
+++ b/drivers/acpi/acpica/acdispat.h
@@ -237,6 +237,11 @@ acpi_ds_initialize_objects(u32 table_index,
* dsobject - Parser/Interpreter interface - object initialization and conversion
*/
acpi_status
+acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ union acpi_operand_object **obj_desc_ptr);
+
+acpi_status
acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
u32 buffer_length,
@@ -258,6 +263,14 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state,
struct acpi_namespace_node *node,
union acpi_parse_object *op);
+/*
+ * dspkginit - Package object initialization
+ */
+acpi_status
+acpi_ds_init_package_element(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state, void *context);
+
/*
* dsutils - Parser/Interpreter interface utility routines
*/
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 8ddd3b20e0c69a5a71ad0ca0c7ff5809fd29cc20..0d45b8bb1678945eb296cdabce11f229cb349b65 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -199,6 +199,7 @@ struct acpi_namespace_node {
#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */
#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */
+#define IMPLICIT_EXTERNAL 0x02 /* iASL only: This object created implicitly via External */
#define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */
#define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */
#define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */
@@ -604,7 +605,7 @@ struct acpi_update_state {
* Pkg state - used to traverse nested package structures
*/
struct acpi_pkg_state {
- ACPI_STATE_COMMON u16 index;
+ ACPI_STATE_COMMON u32 index;
union acpi_operand_object *source_object;
union acpi_operand_object *dest_object;
struct acpi_walk_state *walk_state;
@@ -867,7 +868,7 @@ struct acpi_parse_obj_named {
/* This version is used by the iASL compiler only */
-#define ACPI_MAX_PARSEOP_NAME 20
+#define ACPI_MAX_PARSEOP_NAME 20
struct acpi_parse_obj_asl {
ACPI_PARSE_COMMON union acpi_parse_object *child;
@@ -907,7 +908,7 @@ union acpi_parse_object {
struct asl_comment_state {
u8 comment_type;
u32 spaces_before;
- union acpi_parse_object *latest_parse_node;
+ union acpi_parse_object *latest_parse_op;
union acpi_parse_object *parsing_paren_brace_node;
u8 capture_comments;
};
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index 27c3f982d8105fc5399ca357daf2c4032b55af38..5226146190bf92124a42cf66cbf4b9013a0e80a5 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -122,7 +122,9 @@ struct acpi_object_integer {
_type *pointer; \
u32 length;
-struct acpi_object_string { /* Null terminated, ASCII characters only */
+/* Null terminated, ASCII characters only */
+
+struct acpi_object_string {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_BUFFER_INFO(char) /* String in AML stream or allocated string */
};
@@ -211,7 +213,9 @@ struct acpi_object_method {
union acpi_operand_object *notify_list[2]; /* Handlers for system/device notifies */\
union acpi_operand_object *handler; /* Handler for Address space */
-struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
+/* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */
+
+struct acpi_object_notify_common {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
struct acpi_object_device {
@@ -258,7 +262,9 @@ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO};
u8 access_length; /* For serial regions/fields */
-struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
+/* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */
+
+struct acpi_object_field_common {
ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Parent Operation Region object (REGION/BANK fields only) */
};
@@ -333,11 +339,12 @@ struct acpi_object_addr_handler {
struct acpi_object_reference {
ACPI_OBJECT_COMMON_HEADER u8 class; /* Reference Class */
u8 target_type; /* Used for Index Op */
- u8 reserved;
+ u8 resolved; /* Reference has been resolved to a value */
void *object; /* name_op=>HANDLE to obj, index_op=>union acpi_operand_object */
struct acpi_namespace_node *node; /* ref_of or Namepath */
union acpi_operand_object **where; /* Target of Index */
u8 *index_pointer; /* Used for Buffers and Strings */
+ u8 *aml; /* Used for deferred resolution of the ref */
u32 value; /* Used for Local/Arg/Index/ddb_handle */
};
diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
index c8da453bd96078fdb9899ffbffbf6a5418d0c281..84a3ceb6e3842675d6a7a2d5bd0dd7708d954221 100644
--- a/drivers/acpi/acpica/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -76,7 +76,8 @@ void acpi_tb_release_temp_table(struct acpi_table_desc *table_desc);
acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc);
acpi_status
-acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature);
+acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc,
+ char *signature, u32 *table_index);
u8 acpi_tb_is_table_loaded(u32 table_index);
@@ -132,6 +133,8 @@ acpi_tb_install_and_load_table(acpi_physical_address address,
acpi_status acpi_tb_unload_table(u32 table_index);
+void acpi_tb_notify_table(u32 event, void *table);
+
void acpi_tb_terminate(void);
acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index);
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 2a3cc429648166b80cb53709e8ced50d136d9a59..745134ade35fd72972efd708d0cb66c550a46037 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -516,7 +516,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
void *external_object,
- u16 index);
+ u32 index);
acpi_status
acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
@@ -538,6 +538,13 @@ acpi_status
acpi_ut_short_divide(u64 in_dividend,
u32 divisor, u64 *out_quotient, u32 *out_remainder);
+acpi_status
+acpi_ut_short_multiply(u64 in_multiplicand, u32 multiplier, u64 *outproduct);
+
+acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result);
+
+acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result);
+
/*
* utmisc
*/
diff --git a/drivers/acpi/acpica/dbdisply.c b/drivers/acpi/acpica/dbdisply.c
index 46bf270ac5256956ce77929c89e6966b611c160a..5a606eac0c2243d471d67b0650ead0f74a298168 100644
--- a/drivers/acpi/acpica/dbdisply.c
+++ b/drivers/acpi/acpica/dbdisply.c
@@ -310,7 +310,7 @@ void acpi_db_decode_and_display_object(char *target, char *output_type)
}
else {
- acpi_os_printf("Object (%p) Pathname: %s\n",
+ acpi_os_printf("Object %p: Namespace Node - Pathname: %s\n",
node, (char *)ret_buf.pointer);
}
@@ -326,7 +326,7 @@ void acpi_db_decode_and_display_object(char *target, char *output_type)
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
- acpi_os_printf("\nAttached Object (%p):\n", obj_desc);
+ acpi_os_printf("\nAttached Object %p:", obj_desc);
if (!acpi_os_readable
(obj_desc, sizeof(union acpi_operand_object))) {
acpi_os_printf
@@ -335,9 +335,36 @@ void acpi_db_decode_and_display_object(char *target, char *output_type)
return;
}
- acpi_ut_debug_dump_buffer((void *)obj_desc,
- sizeof(union acpi_operand_object),
- display, ACPI_UINT32_MAX);
+ if (ACPI_GET_DESCRIPTOR_TYPE(((struct acpi_namespace_node *)
+ obj_desc)) ==
+ ACPI_DESC_TYPE_NAMED) {
+ acpi_os_printf(" Namespace Node - ");
+ status =
+ acpi_get_name((struct acpi_namespace_node *)
+ obj_desc,
+ ACPI_FULL_PATHNAME_NO_TRAILING,
+ &ret_buf);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_printf
+ ("Could not convert name to pathname\n");
+ } else {
+ acpi_os_printf("Pathname: %s",
+ (char *)ret_buf.pointer);
+ }
+
+ acpi_os_printf("\n");
+ acpi_ut_debug_dump_buffer((void *)obj_desc,
+ sizeof(struct
+ acpi_namespace_node),
+ display, ACPI_UINT32_MAX);
+ } else {
+ acpi_os_printf("\n");
+ acpi_ut_debug_dump_buffer((void *)obj_desc,
+ sizeof(union
+ acpi_operand_object),
+ display, ACPI_UINT32_MAX);
+ }
+
acpi_ex_dump_object_descriptor(obj_desc, 1);
}
}
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index c5dccc54307d105bfbd573b0578c78cb91a81e9e..7bcf5f5ea0297ffcec2cbd39b9171e4ba93afd50 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -184,6 +184,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
/* Execute flag should always be set when this function is entered */
if (!(walk_state->parse_flags & ACPI_PARSE_EXECUTE)) {
+ ACPI_ERROR((AE_INFO, "Parse execute mode is not set"));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
@@ -556,6 +557,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
return_ACPI_STATUS(AE_OK);
}
+ ACPI_ERROR((AE_INFO, "Parse deferred mode is not set"));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c
index 7df3152ed8569dd1a60bb96dd0f36d23f812c10e..82448551781b43bf3d276df6ee9378416cb2a08b 100644
--- a/drivers/acpi/acpica/dsobject.c
+++ b/drivers/acpi/acpica/dsobject.c
@@ -52,12 +52,6 @@
#define _COMPONENT ACPI_DISPATCHER
ACPI_MODULE_NAME("dsobject")
-/* Local prototypes */
-static acpi_status
-acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
- union acpi_parse_object *op,
- union acpi_operand_object **obj_desc_ptr);
-
#ifndef ACPI_NO_METHOD_EXECUTION
/*******************************************************************************
*
@@ -73,15 +67,13 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
* Simple objects are any objects other than a package object!
*
******************************************************************************/
-
-static acpi_status
+acpi_status
acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
union acpi_operand_object **obj_desc_ptr)
{
union acpi_operand_object *obj_desc;
acpi_status status;
- acpi_object_type type;
ACPI_FUNCTION_TRACE(ds_build_internal_object);
@@ -89,140 +81,47 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
/*
* This is a named object reference. If this name was
- * previously looked up in the namespace, it was stored in this op.
- * Otherwise, go ahead and look it up now
+ * previously looked up in the namespace, it was stored in
+ * this op. Otherwise, go ahead and look it up now
*/
if (!op->common.node) {
- status = acpi_ns_lookup(walk_state->scope_info,
- op->common.value.string,
- ACPI_TYPE_ANY,
- ACPI_IMODE_EXECUTE,
- ACPI_NS_SEARCH_PARENT |
- ACPI_NS_DONT_OPEN_SCOPE, NULL,
- ACPI_CAST_INDIRECT_PTR(struct
- acpi_namespace_node,
- &(op->
- common.
- node)));
- if (ACPI_FAILURE(status)) {
-
- /* Check if we are resolving a named reference within a package */
-
- if ((status == AE_NOT_FOUND)
- && (acpi_gbl_enable_interpreter_slack)
- &&
- ((op->common.parent->common.aml_opcode ==
- AML_PACKAGE_OP)
- || (op->common.parent->common.aml_opcode ==
- AML_VARIABLE_PACKAGE_OP))) {
- /*
- * We didn't find the target and we are populating elements
- * of a package - ignore if slack enabled. Some ASL code
- * contains dangling invalid references in packages and
- * expects that no exception will be issued. Leave the
- * element as a null element. It cannot be used, but it
- * can be overwritten by subsequent ASL code - this is
- * typically the case.
- */
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Ignoring unresolved reference in package [%4.4s]\n",
- walk_state->
- scope_info->scope.
- node->name.ascii));
-
- return_ACPI_STATUS(AE_OK);
- } else {
- ACPI_ERROR_NAMESPACE(op->common.value.
- string, status);
- }
-
- return_ACPI_STATUS(status);
- }
- }
-
- /* Special object resolution for elements of a package */
-
- if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
- (op->common.parent->common.aml_opcode ==
- AML_VARIABLE_PACKAGE_OP)) {
- /*
- * Attempt to resolve the node to a value before we insert it into
- * the package. If this is a reference to a common data type,
- * resolve it immediately. According to the ACPI spec, package
- * elements can only be "data objects" or method references.
- * Attempt to resolve to an Integer, Buffer, String or Package.
- * If cannot, return the named reference (for things like Devices,
- * Methods, etc.) Buffer Fields and Fields will resolve to simple
- * objects (int/buf/str/pkg).
- *
- * NOTE: References to things like Devices, Methods, Mutexes, etc.
- * will remain as named references. This behavior is not described
- * in the ACPI spec, but it appears to be an oversight.
- */
- obj_desc =
- ACPI_CAST_PTR(union acpi_operand_object,
- op->common.node);
-
- status =
- acpi_ex_resolve_node_to_value(ACPI_CAST_INDIRECT_PTR
- (struct
- acpi_namespace_node,
- &obj_desc),
- walk_state);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /*
- * Special handling for Alias objects. We need to setup the type
- * and the Op->Common.Node to point to the Alias target. Note,
- * Alias has at most one level of indirection internally.
- */
- type = op->common.node->type;
- if (type == ACPI_TYPE_LOCAL_ALIAS) {
- type = obj_desc->common.type;
- op->common.node =
- ACPI_CAST_PTR(struct acpi_namespace_node,
- op->common.node->object);
- }
-
- switch (type) {
- /*
- * For these types, we need the actual node, not the subobject.
- * However, the subobject did not get an extra reference count above.
- *
- * TBD: should ex_resolve_node_to_value be changed to fix this?
- */
- case ACPI_TYPE_DEVICE:
- case ACPI_TYPE_THERMAL:
-
- acpi_ut_add_reference(op->common.node->object);
- /*lint -fallthrough */
- /*
- * For these types, we need the actual node, not the subobject.
- * The subobject got an extra reference count in ex_resolve_node_to_value.
- */
- case ACPI_TYPE_MUTEX:
- case ACPI_TYPE_METHOD:
- case ACPI_TYPE_POWER:
- case ACPI_TYPE_PROCESSOR:
- case ACPI_TYPE_EVENT:
- case ACPI_TYPE_REGION:
-
- /* We will create a reference object for these types below */
- break;
+ /* Check if we are resolving a named reference within a package */
- default:
+ if ((op->common.parent->common.aml_opcode ==
+ AML_PACKAGE_OP)
+ || (op->common.parent->common.aml_opcode ==
+ AML_VARIABLE_PACKAGE_OP)) {
/*
- * All other types - the node was resolved to an actual
- * object, we are done.
+ * We won't resolve package elements here, we will do this
+ * after all ACPI tables are loaded into the namespace. This
+ * behavior supports both forward references to named objects
+ * and external references to objects in other tables.
*/
- goto exit;
+ goto create_new_object;
+ } else {
+ status = acpi_ns_lookup(walk_state->scope_info,
+ op->common.value.string,
+ ACPI_TYPE_ANY,
+ ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT |
+ ACPI_NS_DONT_OPEN_SCOPE,
+ NULL,
+ ACPI_CAST_INDIRECT_PTR
+ (struct
+ acpi_namespace_node,
+ &(op->common.node)));
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR_NAMESPACE(op->common.value.
+ string, status);
+ return_ACPI_STATUS(status);
+ }
}
}
}
+create_new_object:
+
/* Create and init a new internal ACPI object */
obj_desc = acpi_ut_create_internal_object((acpi_ps_get_opcode_info
@@ -240,7 +139,27 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
-exit:
+ /*
+ * Handling for unresolved package reference elements.
+ * These are elements that are namepaths.
+ */
+ if ((op->common.parent->common.aml_opcode == AML_PACKAGE_OP) ||
+ (op->common.parent->common.aml_opcode == AML_VARIABLE_PACKAGE_OP)) {
+ obj_desc->reference.resolved = TRUE;
+
+ if ((op->common.aml_opcode == AML_INT_NAMEPATH_OP) &&
+ !obj_desc->reference.node) {
+ /*
+ * Name was unresolved above.
+ * Get the prefix node for later lookup
+ */
+ obj_desc->reference.node =
+ walk_state->scope_info->scope.node;
+ obj_desc->reference.aml = op->common.aml;
+ obj_desc->reference.resolved = FALSE;
+ }
+ }
+
*obj_desc_ptr = obj_desc;
return_ACPI_STATUS(status);
}
@@ -349,200 +268,6 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(AE_OK);
}
-/*******************************************************************************
- *
- * FUNCTION: acpi_ds_build_internal_package_obj
- *
- * PARAMETERS: walk_state - Current walk state
- * op - Parser object to be translated
- * element_count - Number of elements in the package - this is
- * the num_elements argument to Package()
- * obj_desc_ptr - Where the ACPI internal object is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Translate a parser Op package object to the equivalent
- * namespace object
- *
- * NOTE: The number of elements in the package will be always be the num_elements
- * count, regardless of the number of elements in the package list. If
- * num_elements is smaller, only that many package list elements are used.
- * if num_elements is larger, the Package object is padded out with
- * objects of type Uninitialized (as per ACPI spec.)
- *
- * Even though the ASL compilers do not allow num_elements to be smaller
- * than the Package list length (for the fixed length package opcode), some
- * BIOS code modifies the AML on the fly to adjust the num_elements, and
- * this code compensates for that. This also provides compatibility with
- * other AML interpreters.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
- union acpi_parse_object *op,
- u32 element_count,
- union acpi_operand_object **obj_desc_ptr)
-{
- union acpi_parse_object *arg;
- union acpi_parse_object *parent;
- union acpi_operand_object *obj_desc = NULL;
- acpi_status status = AE_OK;
- u32 i;
- u16 index;
- u16 reference_count;
-
- ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
-
- /* Find the parent of a possibly nested package */
-
- parent = op->common.parent;
- while ((parent->common.aml_opcode == AML_PACKAGE_OP) ||
- (parent->common.aml_opcode == AML_VARIABLE_PACKAGE_OP)) {
- parent = parent->common.parent;
- }
-
- /*
- * If we are evaluating a Named package object "Name (xxxx, Package)",
- * the package object already exists, otherwise it must be created.
- */
- obj_desc = *obj_desc_ptr;
- if (!obj_desc) {
- obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
- *obj_desc_ptr = obj_desc;
- if (!obj_desc) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- obj_desc->package.node = parent->common.node;
- }
-
- /*
- * Allocate the element array (array of pointers to the individual
- * objects) based on the num_elements parameter. Add an extra pointer slot
- * so that the list is always null terminated.
- */
- obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
- element_count +
- 1) * sizeof(void *));
-
- if (!obj_desc->package.elements) {
- acpi_ut_delete_object_desc(obj_desc);
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- obj_desc->package.count = element_count;
-
- /*
- * Initialize the elements of the package, up to the num_elements count.
- * Package is automatically padded with uninitialized (NULL) elements
- * if num_elements is greater than the package list length. Likewise,
- * Package is truncated if num_elements is less than the list length.
- */
- arg = op->common.value.arg;
- arg = arg->common.next;
- for (i = 0; arg && (i < element_count); i++) {
- if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
- if (arg->common.node->type == ACPI_TYPE_METHOD) {
- /*
- * A method reference "looks" to the parser to be a method
- * invocation, so we special case it here
- */
- arg->common.aml_opcode = AML_INT_NAMEPATH_OP;
- status =
- acpi_ds_build_internal_object(walk_state,
- arg,
- &obj_desc->
- package.
- elements[i]);
- } else {
- /* This package element is already built, just get it */
-
- obj_desc->package.elements[i] =
- ACPI_CAST_PTR(union acpi_operand_object,
- arg->common.node);
- }
- } else {
- status =
- acpi_ds_build_internal_object(walk_state, arg,
- &obj_desc->package.
- elements[i]);
- }
-
- if (*obj_desc_ptr) {
-
- /* Existing package, get existing reference count */
-
- reference_count =
- (*obj_desc_ptr)->common.reference_count;
- if (reference_count > 1) {
-
- /* Make new element ref count match original ref count */
-
- for (index = 0; index < (reference_count - 1);
- index++) {
- acpi_ut_add_reference((obj_desc->
- package.
- elements[i]));
- }
- }
- }
-
- arg = arg->common.next;
- }
-
- /* Check for match between num_elements and actual length of package_list */
-
- if (arg) {
- /*
- * num_elements was exhausted, but there are remaining elements in the
- * package_list. Truncate the package to num_elements.
- *
- * Note: technically, this is an error, from ACPI spec: "It is an error
- * for NumElements to be less than the number of elements in the
- * PackageList". However, we just print a message and
- * no exception is returned. This provides Windows compatibility. Some
- * BIOSs will alter the num_elements on the fly, creating this type
- * of ill-formed package object.
- */
- while (arg) {
- /*
- * We must delete any package elements that were created earlier
- * and are not going to be used because of the package truncation.
- */
- if (arg->common.node) {
- acpi_ut_remove_reference(ACPI_CAST_PTR
- (union
- acpi_operand_object,
- arg->common.node));
- arg->common.node = NULL;
- }
-
- /* Find out how many elements there really are */
-
- i++;
- arg = arg->common.next;
- }
-
- ACPI_INFO(("Actual Package length (%u) is larger than "
- "NumElements field (%u), truncated",
- i, element_count));
- } else if (i < element_count) {
- /*
- * Arg list (elements) was exhausted, but we did not reach num_elements count.
- * Note: this is not an error, the package is padded out with NULLs.
- */
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Package List length (%u) smaller than NumElements "
- "count (%u), padded with null elements\n",
- i, element_count));
- }
-
- obj_desc->package.flags |= AOPOBJ_DATA_VALID;
- op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
- return_ACPI_STATUS(status);
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_ds_create_node
@@ -662,11 +387,20 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
case ACPI_TYPE_PACKAGE:
/*
- * Defer evaluation of Package term_arg operand
+ * Defer evaluation of Package term_arg operand and all
+ * package elements. (01/2017): We defer the element
+ * resolution to allow forward references from the package
+ * in order to provide compatibility with other ACPI
+ * implementations.
*/
obj_desc->package.node =
ACPI_CAST_PTR(struct acpi_namespace_node,
walk_state->operands[0]);
+
+ if (!op->named.data) {
+ return_ACPI_STATUS(AE_OK);
+ }
+
obj_desc->package.aml_start = op->named.data;
obj_desc->package.aml_length = op->named.length;
break;
@@ -818,9 +552,11 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
/* Node was saved in Op */
obj_desc->reference.node = op->common.node;
- obj_desc->reference.object =
- op->common.node->object;
obj_desc->reference.class = ACPI_REFCLASS_NAME;
+ if (op->common.node) {
+ obj_desc->reference.object =
+ op->common.node->object;
+ }
break;
case AML_DEBUG_OP:
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index dfc3c25a083dde54383e8d3dadb2e63eb42095de..0336df7ac47dd1f4af1f732593ed41ab884de1ba 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -599,6 +599,15 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
*/
walk_state->operand_index = walk_state->num_operands;
+ /* Ignore if child is not valid */
+
+ if (!op->common.value.arg) {
+ ACPI_ERROR((AE_INFO,
+ "Dispatch: Missing child while executing TermArg for %X",
+ op->common.aml_opcode));
+ return_ACPI_STATUS(AE_OK);
+ }
+
status = acpi_ds_create_operand(walk_state, op->common.value.arg, 1);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/dspkginit.c b/drivers/acpi/acpica/dspkginit.c
new file mode 100644
index 0000000000000000000000000000000000000000..6d487edfe2de3471186122cef5579d4c7d511184
--- /dev/null
+++ b/drivers/acpi/acpica/dspkginit.c
@@ -0,0 +1,496 @@
+/******************************************************************************
+ *
+ * Module Name: dspkginit - Completion of deferred package initialization
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2017, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "amlcode.h"
+#include "acdispat.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_NAMESPACE
+ACPI_MODULE_NAME("dspkginit")
+
+/* Local prototypes */
+static void
+acpi_ds_resolve_package_element(union acpi_operand_object **element);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_build_internal_package_obj
+ *
+ * PARAMETERS: walk_state - Current walk state
+ * op - Parser object to be translated
+ * element_count - Number of elements in the package - this is
+ * the num_elements argument to Package()
+ * obj_desc_ptr - Where the ACPI internal object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Translate a parser Op package object to the equivalent
+ * namespace object
+ *
+ * NOTE: The number of elements in the package will be always be the num_elements
+ * count, regardless of the number of elements in the package list. If
+ * num_elements is smaller, only that many package list elements are used.
+ * if num_elements is larger, the Package object is padded out with
+ * objects of type Uninitialized (as per ACPI spec.)
+ *
+ * Even though the ASL compilers do not allow num_elements to be smaller
+ * than the Package list length (for the fixed length package opcode), some
+ * BIOS code modifies the AML on the fly to adjust the num_elements, and
+ * this code compensates for that. This also provides compatibility with
+ * other AML interpreters.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ u32 element_count,
+ union acpi_operand_object **obj_desc_ptr)
+{
+ union acpi_parse_object *arg;
+ union acpi_parse_object *parent;
+ union acpi_operand_object *obj_desc = NULL;
+ acpi_status status = AE_OK;
+ u16 reference_count;
+ u32 index;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
+
+ /* Find the parent of a possibly nested package */
+
+ parent = op->common.parent;
+ while ((parent->common.aml_opcode == AML_PACKAGE_OP) ||
+ (parent->common.aml_opcode == AML_VARIABLE_PACKAGE_OP)) {
+ parent = parent->common.parent;
+ }
+
+ /*
+ * If we are evaluating a Named package object of the form:
+ * Name (xxxx, Package)
+ * the package object already exists, otherwise it must be created.
+ */
+ obj_desc = *obj_desc_ptr;
+ if (!obj_desc) {
+ obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_PACKAGE);
+ *obj_desc_ptr = obj_desc;
+ if (!obj_desc) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ obj_desc->package.node = parent->common.node;
+ }
+
+ if (obj_desc->package.flags & AOPOBJ_DATA_VALID) { /* Just in case */
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /*
+ * Allocate the element array (array of pointers to the individual
+ * objects) based on the num_elements parameter. Add an extra pointer slot
+ * so that the list is always null terminated.
+ */
+ obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
+ element_count +
+ 1) * sizeof(void *));
+
+ if (!obj_desc->package.elements) {
+ acpi_ut_delete_object_desc(obj_desc);
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ obj_desc->package.count = element_count;
+ arg = op->common.value.arg;
+ arg = arg->common.next;
+
+ if (arg) {
+ obj_desc->package.flags |= AOPOBJ_DATA_VALID;
+ }
+
+ /*
+ * Initialize the elements of the package, up to the num_elements count.
+ * Package is automatically padded with uninitialized (NULL) elements
+ * if num_elements is greater than the package list length. Likewise,
+ * Package is truncated if num_elements is less than the list length.
+ */
+ for (i = 0; arg && (i < element_count); i++) {
+ if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
+ if (arg->common.node->type == ACPI_TYPE_METHOD) {
+ /*
+ * A method reference "looks" to the parser to be a method
+ * invocation, so we special case it here
+ */
+ arg->common.aml_opcode = AML_INT_NAMEPATH_OP;
+ status =
+ acpi_ds_build_internal_object(walk_state,
+ arg,
+ &obj_desc->
+ package.
+ elements[i]);
+ } else {
+ /* This package element is already built, just get it */
+
+ obj_desc->package.elements[i] =
+ ACPI_CAST_PTR(union acpi_operand_object,
+ arg->common.node);
+ }
+ } else {
+ status =
+ acpi_ds_build_internal_object(walk_state, arg,
+ &obj_desc->package.
+ elements[i]);
+ if (status == AE_NOT_FOUND) {
+ ACPI_ERROR((AE_INFO, "%-48s",
+ "****DS namepath not found"));
+ }
+
+ /*
+ * Initialize this package element. This function handles the
+ * resolution of named references within the package.
+ */
+ acpi_ds_init_package_element(0,
+ obj_desc->package.
+ elements[i], NULL,
+ &obj_desc->package.
+ elements[i]);
+ }
+
+ if (*obj_desc_ptr) {
+
+ /* Existing package, get existing reference count */
+
+ reference_count =
+ (*obj_desc_ptr)->common.reference_count;
+ if (reference_count > 1) {
+
+ /* Make new element ref count match original ref count */
+ /* TBD: Probably need an acpi_ut_add_references function */
+
+ for (index = 0;
+ index < ((u32)reference_count - 1);
+ index++) {
+ acpi_ut_add_reference((obj_desc->
+ package.
+ elements[i]));
+ }
+ }
+ }
+
+ arg = arg->common.next;
+ }
+
+ /* Check for match between num_elements and actual length of package_list */
+
+ if (arg) {
+ /*
+ * num_elements was exhausted, but there are remaining elements in
+ * the package_list. Truncate the package to num_elements.
+ *
+ * Note: technically, this is an error, from ACPI spec: "It is an
+ * error for NumElements to be less than the number of elements in
+ * the PackageList". However, we just print a message and no
+ * exception is returned. This provides compatibility with other
+ * ACPI implementations. Some firmware implementations will alter
+ * the num_elements on the fly, possibly creating this type of
+ * ill-formed package object.
+ */
+ while (arg) {
+ /*
+ * We must delete any package elements that were created earlier
+ * and are not going to be used because of the package truncation.
+ */
+ if (arg->common.node) {
+ acpi_ut_remove_reference(ACPI_CAST_PTR
+ (union
+ acpi_operand_object,
+ arg->common.node));
+ arg->common.node = NULL;
+ }
+
+ /* Find out how many elements there really are */
+
+ i++;
+ arg = arg->common.next;
+ }
+
+ ACPI_INFO(("Actual Package length (%u) is larger than "
+ "NumElements field (%u), truncated",
+ i, element_count));
+ } else if (i < element_count) {
+ /*
+ * Arg list (elements) was exhausted, but we did not reach
+ * num_elements count.
+ *
+ * Note: this is not an error, the package is padded out
+ * with NULLs.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Package List length (%u) smaller than NumElements "
+ "count (%u), padded with null elements\n",
+ i, element_count));
+ }
+
+ obj_desc->package.flags |= AOPOBJ_DATA_VALID;
+ op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_desc);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_init_package_element
+ *
+ * PARAMETERS: acpi_pkg_callback
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Resolve a named reference element within a package object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_init_package_element(u8 object_type,
+ union acpi_operand_object *source_object,
+ union acpi_generic_state *state, void *context)
+{
+ union acpi_operand_object **element_ptr;
+
+ if (!source_object) {
+ return (AE_OK);
+ }
+
+ /*
+ * The following code is a bit of a hack to workaround a (current)
+ * limitation of the acpi_pkg_callback interface. We need a pointer
+ * to the location within the element array because a new object
+ * may be created and stored there.
+ */
+ if (context) {
+
+ /* A direct call was made to this function */
+
+ element_ptr = (union acpi_operand_object **)context;
+ } else {
+ /* Call came from acpi_ut_walk_package_tree */
+
+ element_ptr = state->pkg.this_target_obj;
+ }
+
+ /* We are only interested in reference objects/elements */
+
+ if (source_object->common.type == ACPI_TYPE_LOCAL_REFERENCE) {
+
+ /* Attempt to resolve the (named) reference to a namespace node */
+
+ acpi_ds_resolve_package_element(element_ptr);
+ } else if (source_object->common.type == ACPI_TYPE_PACKAGE) {
+ source_object->package.flags |= AOPOBJ_DATA_VALID;
+ }
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_resolve_package_element
+ *
+ * PARAMETERS: element_ptr - Pointer to a reference object
+ *
+ * RETURN: Possible new element is stored to the indirect element_ptr
+ *
+ * DESCRIPTION: Resolve a package element that is a reference to a named
+ * object.
+ *
+ ******************************************************************************/
+
+static void
+acpi_ds_resolve_package_element(union acpi_operand_object **element_ptr)
+{
+ acpi_status status;
+ union acpi_generic_state scope_info;
+ union acpi_operand_object *element = *element_ptr;
+ struct acpi_namespace_node *resolved_node;
+ char *external_path = NULL;
+ acpi_object_type type;
+
+ ACPI_FUNCTION_TRACE(ds_resolve_package_element);
+
+ /* Check if reference element is already resolved */
+
+ if (element->reference.resolved) {
+ return_VOID;
+ }
+
+ /* Element must be a reference object of correct type */
+
+ scope_info.scope.node = element->reference.node; /* Prefix node */
+
+ status = acpi_ns_lookup(&scope_info, (char *)element->reference.aml, /* Pointer to AML path */
+ ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
+ ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
+ NULL, &resolved_node);
+ if (ACPI_FAILURE(status)) {
+ status = acpi_ns_externalize_name(ACPI_UINT32_MAX,
+ (char *)element->reference.
+ aml, NULL, &external_path);
+
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not find/resolve named package element: %s",
+ external_path));
+
+ ACPI_FREE(external_path);
+ *element_ptr = NULL;
+ return_VOID;
+ } else if (resolved_node->type == ACPI_TYPE_ANY) {
+
+ /* Named reference not resolved, return a NULL package element */
+
+ ACPI_ERROR((AE_INFO,
+ "Could not resolve named package element [%4.4s] in [%4.4s]",
+ resolved_node->name.ascii,
+ scope_info.scope.node->name.ascii));
+ *element_ptr = NULL;
+ return_VOID;
+ }
+#if 0
+ else if (resolved_node->flags & ANOBJ_TEMPORARY) {
+ /*
+ * A temporary node found here indicates that the reference is
+ * to a node that was created within this method. We are not
+ * going to allow it (especially if the package is returned
+ * from the method) -- the temporary node will be deleted out
+ * from under the method. (05/2017).
+ */
+ ACPI_ERROR((AE_INFO,
+ "Package element refers to a temporary name [%4.4s], "
+ "inserting a NULL element",
+ resolved_node->name.ascii));
+ *element_ptr = NULL;
+ return_VOID;
+ }
+#endif
+
+ /*
+ * Special handling for Alias objects. We need resolved_node to point
+ * to the Alias target. This effectively "resolves" the alias.
+ */
+ if (resolved_node->type == ACPI_TYPE_LOCAL_ALIAS) {
+ resolved_node = ACPI_CAST_PTR(struct acpi_namespace_node,
+ resolved_node->object);
+ }
+
+ /* Update the reference object */
+
+ element->reference.resolved = TRUE;
+ element->reference.node = resolved_node;
+ type = element->reference.node->type;
+
+ /*
+ * Attempt to resolve the node to a value before we insert it into
+ * the package. If this is a reference to a common data type,
+ * resolve it immediately. According to the ACPI spec, package
+ * elements can only be "data objects" or method references.
+ * Attempt to resolve to an Integer, Buffer, String or Package.
+ * If cannot, return the named reference (for things like Devices,
+ * Methods, etc.) Buffer Fields and Fields will resolve to simple
+ * objects (int/buf/str/pkg).
+ *
+ * NOTE: References to things like Devices, Methods, Mutexes, etc.
+ * will remain as named references. This behavior is not described
+ * in the ACPI spec, but it appears to be an oversight.
+ */
+ status = acpi_ex_resolve_node_to_value(&resolved_node, NULL);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
+ }
+#if 0
+/* TBD - alias support */
+ /*
+ * Special handling for Alias objects. We need to setup the type
+ * and the Op->Common.Node to point to the Alias target. Note,
+ * Alias has at most one level of indirection internally.
+ */
+ type = op->common.node->type;
+ if (type == ACPI_TYPE_LOCAL_ALIAS) {
+ type = obj_desc->common.type;
+ op->common.node = ACPI_CAST_PTR(struct acpi_namespace_node,
+ op->common.node->object);
+ }
+#endif
+
+ switch (type) {
+ /*
+ * These object types are a result of named references, so we will
+ * leave them as reference objects. In other words, these types
+ * have no intrinsic "value".
+ */
+ case ACPI_TYPE_DEVICE:
+ case ACPI_TYPE_THERMAL:
+
+ /* TBD: This may not be necesssary */
+
+ acpi_ut_add_reference(resolved_node->object);
+ break;
+
+ case ACPI_TYPE_MUTEX:
+ case ACPI_TYPE_METHOD:
+ case ACPI_TYPE_POWER:
+ case ACPI_TYPE_PROCESSOR:
+ case ACPI_TYPE_EVENT:
+ case ACPI_TYPE_REGION:
+
+ break;
+
+ default:
+ /*
+ * For all other types - the node was resolved to an actual
+ * operand object with a value, return the object
+ */
+ *element_ptr = (union acpi_operand_object *)resolved_node;
+ break;
+ }
+
+ return_VOID;
+}
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index 9c941947a06381c9f41ac4c7338c87793ec5644d..3a3cb8624f4195898c88967d7bdcf39f9930f0b9 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -440,9 +440,11 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
void *ignored)
{
acpi_status status;
+ acpi_event_status event_status;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_enabled_count;
u32 gpe_index;
+ u32 gpe_number;
u32 i;
u32 j;
@@ -470,30 +472,40 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j;
gpe_event_info = &gpe_block->event_info[gpe_index];
+ gpe_number = gpe_block->block_base_number + gpe_index;
/*
* Ignore GPEs that have no corresponding _Lxx/_Exx method
- * and GPEs that are used to wake the system
+ * and GPEs that are used for wakeup
*/
- if ((ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
- ACPI_GPE_DISPATCH_NONE)
- || (ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
- ACPI_GPE_DISPATCH_HANDLER)
- || (ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
- ACPI_GPE_DISPATCH_RAW_HANDLER)
+ if ((ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) !=
+ ACPI_GPE_DISPATCH_METHOD)
|| (gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
continue;
}
+ event_status = 0;
+ (void)acpi_hw_get_gpe_status(gpe_event_info,
+ &event_status);
+
status = acpi_ev_add_gpe_reference(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not enable GPE 0x%02X",
- gpe_index +
- gpe_block->block_base_number));
+ gpe_number));
continue;
}
+ gpe_event_info->flags |= ACPI_GPE_AUTO_ENABLED;
+
+ if (event_status & ACPI_EVENT_FLAG_STATUS_SET) {
+ ACPI_INFO(("GPE 0x%02X active on init",
+ gpe_number));
+ (void)acpi_ev_gpe_dispatch(gpe_block->node,
+ gpe_event_info,
+ gpe_number);
+ }
+
gpe_enabled_count++;
}
}
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 57718a3e029a4df3d161bd62b7e25ffad6279325..67c7c4ce276c7be438ea255d214329ecab92132e 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -435,6 +435,14 @@ acpi_setup_gpe_for_wake(acpi_handle wake_device,
*/
gpe_event_info->flags =
(ACPI_GPE_DISPATCH_NOTIFY | ACPI_GPE_LEVEL_TRIGGERED);
+ } else if (gpe_event_info->flags & ACPI_GPE_AUTO_ENABLED) {
+ /*
+ * A reference to this GPE has been added during the GPE block
+ * initialization, so drop it now to prevent the GPE from being
+ * permanently enabled and clear its ACPI_GPE_AUTO_ENABLED flag.
+ */
+ (void)acpi_ev_remove_gpe_reference(gpe_event_info);
+ gpe_event_info->flags &= ~ACPI_GPE_AUTO_ENABLED;
}
/*
diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c
index d43d7da4c73486c3102597dc3f4089da48aed9d4..b8adb11f1b075ab9f3cf2d1784bea6d0ad4a560f 100644
--- a/drivers/acpi/acpica/excreate.c
+++ b/drivers/acpi/acpica/excreate.c
@@ -87,68 +87,40 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
target_node->object);
}
- /*
- * For objects that can never change (i.e., the NS node will
- * permanently point to the same object), we can simply attach
- * the object to the new NS node. For other objects (such as
- * Integers, buffers, etc.), we have to point the Alias node
- * to the original Node.
- */
- switch (target_node->type) {
+ /* Ensure that the target node is valid */
- /* For these types, the sub-object can change dynamically via a Store */
+ if (!target_node) {
+ return_ACPI_STATUS(AE_NULL_OBJECT);
+ }
- case ACPI_TYPE_INTEGER:
- case ACPI_TYPE_STRING:
- case ACPI_TYPE_BUFFER:
- case ACPI_TYPE_PACKAGE:
- case ACPI_TYPE_BUFFER_FIELD:
- /*
- * These types open a new scope, so we need the NS node in order to access
- * any children.
- */
- case ACPI_TYPE_DEVICE:
- case ACPI_TYPE_POWER:
- case ACPI_TYPE_PROCESSOR:
- case ACPI_TYPE_THERMAL:
- case ACPI_TYPE_LOCAL_SCOPE:
- /*
- * The new alias has the type ALIAS and points to the original
- * NS node, not the object itself.
- */
- alias_node->type = ACPI_TYPE_LOCAL_ALIAS;
- alias_node->object =
- ACPI_CAST_PTR(union acpi_operand_object, target_node);
- break;
+ /* Construct the alias object (a namespace node) */
+ switch (target_node->type) {
case ACPI_TYPE_METHOD:
/*
- * Control method aliases need to be differentiated
+ * Control method aliases need to be differentiated with
+ * a special type
*/
alias_node->type = ACPI_TYPE_LOCAL_METHOD_ALIAS;
- alias_node->object =
- ACPI_CAST_PTR(union acpi_operand_object, target_node);
break;
default:
-
- /* Attach the original source object to the new Alias Node */
-
/*
- * The new alias assumes the type of the target, and it points
- * to the same object. The reference count of the object has an
- * additional reference to prevent deletion out from under either the
- * target node or the alias Node
+ * All other object types.
+ *
+ * The new alias has the type ALIAS and points to the original
+ * NS node, not the object itself.
*/
- status = acpi_ns_attach_object(alias_node,
- acpi_ns_get_attached_object
- (target_node),
- target_node->type);
+ alias_node->type = ACPI_TYPE_LOCAL_ALIAS;
+ alias_node->object =
+ ACPI_CAST_PTR(union acpi_operand_object, target_node);
break;
}
/* Since both operands are Nodes, we don't need to delete them */
+ alias_node->object =
+ ACPI_CAST_PTR(union acpi_operand_object, target_node);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index 44092f744477480120dc4fd7302516a4911301df..83398dc4b7c288fbe8ecac3b98f3b5bb55efefc5 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -102,7 +102,7 @@ static struct acpi_exdump_info acpi_ex_dump_package[6] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_package), NULL},
{ACPI_EXD_NODE, ACPI_EXD_OFFSET(package.node), "Parent Node"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(package.flags), "Flags"},
- {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Elements"},
+ {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(package.count), "Element Count"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(package.elements), "Element List"},
{ACPI_EXD_PACKAGE, 0, NULL}
};
@@ -384,6 +384,10 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
count = info->offset;
while (count) {
+ if (!obj_desc) {
+ return;
+ }
+
target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
name = info->name;
@@ -469,9 +473,9 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
start = *ACPI_CAST_PTR(void *, target);
next = start;
- acpi_os_printf("%20s : %p", name, next);
+ acpi_os_printf("%20s : %p ", name, next);
if (next) {
- acpi_os_printf("(%s %2.2X)",
+ acpi_os_printf("%s (Type %2.2X)",
acpi_ut_get_object_type_name
(next), next->common.type);
@@ -493,6 +497,8 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
break;
}
}
+ } else {
+ acpi_os_printf("- No attached objects");
}
acpi_os_printf("\n");
@@ -1129,7 +1135,9 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
default:
- acpi_os_printf("[Unknown Type] %X\n", obj_desc->common.type);
+ acpi_os_printf("[%s] Type: %2.2X\n",
+ acpi_ut_get_type_name(obj_desc->common.type),
+ obj_desc->common.type);
break;
}
}
@@ -1167,11 +1175,17 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
acpi_ex_dump_namespace_node((struct acpi_namespace_node *)
obj_desc, flags);
- acpi_os_printf("\nAttached Object (%p):\n",
- ((struct acpi_namespace_node *)obj_desc)->
- object);
-
obj_desc = ((struct acpi_namespace_node *)obj_desc)->object;
+ if (!obj_desc) {
+ return_VOID;
+ }
+
+ acpi_os_printf("\nAttached Object %p", obj_desc);
+ if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) == ACPI_DESC_TYPE_NAMED) {
+ acpi_os_printf(" - Namespace Node");
+ }
+
+ acpi_os_printf(":\n");
goto dump_object;
}
@@ -1191,6 +1205,10 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
dump_object:
+ if (!obj_desc) {
+ return_VOID;
+ }
+
/* Common Fields */
acpi_ex_dump_object(obj_desc, acpi_ex_dump_common);
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c
index f222a80ca38ef75ec8827fba5dd2dcfd6d2dc180..1e7649ce0a7b1b324862d69c9421f49eae49ca47 100644
--- a/drivers/acpi/acpica/exmisc.c
+++ b/drivers/acpi/acpica/exmisc.c
@@ -265,6 +265,8 @@ acpi_ex_do_logical_numeric_op(u16 opcode,
default:
+ ACPI_ERROR((AE_INFO,
+ "Invalid numeric logical opcode: %X", opcode));
status = AE_AML_INTERNAL;
break;
}
@@ -345,6 +347,9 @@ acpi_ex_do_logical_op(u16 opcode,
default:
+ ACPI_ERROR((AE_INFO,
+ "Invalid object type for logical operator: %X",
+ operand0->common.type));
status = AE_AML_INTERNAL;
break;
}
@@ -388,6 +393,8 @@ acpi_ex_do_logical_op(u16 opcode,
default:
+ ACPI_ERROR((AE_INFO,
+ "Invalid comparison opcode: %X", opcode));
status = AE_AML_INTERNAL;
break;
}
@@ -456,6 +463,8 @@ acpi_ex_do_logical_op(u16 opcode,
default:
+ ACPI_ERROR((AE_INFO,
+ "Invalid comparison opcode: %X", opcode));
status = AE_AML_INTERNAL;
break;
}
diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c
index eecb3bff7fd749b6e6d8f9f9ea151728d2b2a638..57980b7d35940a3b59ac39db699ed416e2521187 100644
--- a/drivers/acpi/acpica/exoparg2.c
+++ b/drivers/acpi/acpica/exoparg2.c
@@ -414,6 +414,9 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
default:
+ ACPI_ERROR((AE_INFO,
+ "Invalid object type: %X",
+ (operand[0])->common.type));
status = AE_AML_INTERNAL;
goto cleanup;
}
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index de74a4c25085b63b1b0fa8d0d29e8ac1a0b93521..acb417b58bbb388f1f53325e154ade65cde131b9 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -107,7 +107,7 @@ acpi_hw_get_access_bit_width(u64 address,
ACPI_IS_ALIGNED(reg->bit_width, 8)) {
access_bit_width = reg->bit_width;
} else if (reg->access_width) {
- access_bit_width = (1 << (reg->access_width + 2));
+ access_bit_width = ACPI_ACCESS_BIT_WIDTH(reg->access_width);
} else {
access_bit_width =
ACPI_ROUND_UP_POWER_OF_TWO_8(reg->bit_offset +
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index 7ef13934968f3d56d2e76cba94ec5424cfdaaa3c..e5c095ca6083a9a91169b65e986f73a3efc7d8fa 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -72,13 +72,16 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id);
static struct acpi_sleep_functions acpi_sleep_dispatch[] = {
{ACPI_STRUCT_INIT(legacy_function,
ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep)),
- ACPI_STRUCT_INIT(extended_function, acpi_hw_extended_sleep) },
+ ACPI_STRUCT_INIT(extended_function,
+ acpi_hw_extended_sleep)},
{ACPI_STRUCT_INIT(legacy_function,
ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep)),
- ACPI_STRUCT_INIT(extended_function, acpi_hw_extended_wake_prep) },
+ ACPI_STRUCT_INIT(extended_function,
+ acpi_hw_extended_wake_prep)},
{ACPI_STRUCT_INIT(legacy_function,
ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake)),
- ACPI_STRUCT_INIT(extended_function, acpi_hw_extended_wake) }
+ ACPI_STRUCT_INIT(extended_function,
+ acpi_hw_extended_wake)}
};
/*
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index e5f4fa496572859ec507a859242be913c36884d1..f2733f51ca8d12bebda8eff34323d7393b1bf3be 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -292,6 +292,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
{
acpi_status status;
char *path = pathname;
+ char *external_path;
struct acpi_namespace_node *prefix_node;
struct acpi_namespace_node *current_node = NULL;
struct acpi_namespace_node *this_node = NULL;
@@ -427,13 +428,22 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
num_carats++;
this_node = this_node->parent;
if (!this_node) {
+ /*
+ * Current scope has no parent scope. Externalize
+ * the internal path for error message.
+ */
+ status =
+ acpi_ns_externalize_name
+ (ACPI_UINT32_MAX, pathname, NULL,
+ &external_path);
+ if (ACPI_SUCCESS(status)) {
+ ACPI_ERROR((AE_INFO,
+ "%s: Path has too many parent prefixes (^)",
+ external_path));
+
+ ACPI_FREE(external_path);
+ }
- /* Current scope has no parent scope */
-
- ACPI_ERROR((AE_INFO,
- "%s: Path has too many parent prefixes (^) "
- "- reached beyond root node",
- pathname));
return_ACPI_STATUS(AE_NOT_FOUND);
}
}
@@ -634,6 +644,12 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
this_node->object;
}
}
+#ifdef ACPI_ASL_COMPILER
+ if (!acpi_gbl_disasm_flag &&
+ (this_node->flags & ANOBJ_IS_EXTERNAL)) {
+ this_node->flags |= IMPLICIT_EXTERNAL;
+ }
+#endif
}
/* Special handling for the last segment (num_segments == 0) */
diff --git a/drivers/acpi/acpica/nsarguments.c b/drivers/acpi/acpica/nsarguments.c
index 9095d51f6b372cf479b6dd37b7606496bfc5b768..67b7370dcae520b52d8ea8ceea74fe1defc6da9f 100644
--- a/drivers/acpi/acpica/nsarguments.c
+++ b/drivers/acpi/acpica/nsarguments.c
@@ -69,9 +69,14 @@ void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
u8 user_arg_type;
u32 i;
- /* If not a predefined name, cannot typecheck args */
-
- if (!info->predefined) {
+ /*
+ * If not a predefined name, cannot typecheck args, because
+ * we have no idea what argument types are expected.
+ * Also, ignore typecheck if warnings/errors if this method
+ * has already been evaluated at least once -- in order
+ * to suppress repetitive messages.
+ */
+ if (!info->predefined || (info->node->flags & ANOBJ_EVALUATED)) {
return;
}
@@ -93,6 +98,10 @@ void acpi_ns_check_argument_types(struct acpi_evaluate_info *info)
acpi_ut_get_type_name
(user_arg_type),
acpi_ut_get_type_name(arg_type)));
+
+ /* Prevent any additional typechecking for this method */
+
+ info->node->flags |= ANOBJ_EVALUATED;
}
}
}
@@ -121,7 +130,7 @@ acpi_ns_check_acpi_compliance(char *pathname,
u32 aml_param_count;
u32 required_param_count;
- if (!predefined) {
+ if (!predefined || (node->flags & ANOBJ_EVALUATED)) {
return;
}
@@ -215,6 +224,10 @@ acpi_ns_check_argument_count(char *pathname,
u32 aml_param_count;
u32 required_param_count;
+ if (node->flags & ANOBJ_EVALUATED) {
+ return;
+ }
+
if (!predefined) {
/*
* Not a predefined name. Check the incoming user argument count
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index ce33e7297ea7768ccd937c2cda2f46132d887a93..9c62979497122175d6338feb451246f4c93fcacd 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -396,6 +396,20 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
info->package_init++;
status = acpi_ds_get_package_arguments(obj_desc);
+ if (ACPI_FAILURE(status)) {
+ break;
+ }
+
+ /*
+ * Resolve all named references in package objects (and all
+ * sub-packages). This action has been deferred until the entire
+ * namespace has been loaded, in order to support external and
+ * forward references from individual package elements (05/2017).
+ */
+ status = acpi_ut_walk_package_tree(obj_desc, NULL,
+ acpi_ds_init_package_element,
+ NULL);
+ obj_desc->package.flags |= AOPOBJ_DATA_VALID;
break;
default:
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index aa16aeaa89379e7678cd6846e3c379d2fa256e67..a410760a03089f63c8a9a4b9b26c6e44bffe7583 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -89,7 +89,14 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
{
acpi_size size;
- ACPI_FUNCTION_ENTRY();
+ /* Validate the Node */
+
+ if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
+ ACPI_ERROR((AE_INFO,
+ "Invalid/cached reference target node: %p, descriptor type %d",
+ node, ACPI_GET_DESCRIPTOR_TYPE(node)));
+ return (0);
+ }
size = acpi_ns_build_normalized_path(node, NULL, 0, FALSE);
return (size);
diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c
index 4954cb6c909010cef7e91e816ab3cb9491624c04..a8ea8fb1d299464f74849a4eadc774bd5f791360 100644
--- a/drivers/acpi/acpica/nsprepkg.c
+++ b/drivers/acpi/acpica/nsprepkg.c
@@ -614,6 +614,8 @@ acpi_ns_check_package_list(struct acpi_evaluate_info *info,
default: /* Should not get here, type was validated by caller */
+ ACPI_ERROR((AE_INFO, "Invalid Package type: %X",
+ package->ret_info.type));
return (AE_AML_INTERNAL);
}
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index b4224005783c6d1c2fbf6f8bb970e6216ddd788a..bb04dec168ad72a9c7f634265131b64ec9b6194a 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -164,6 +164,11 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
INCREMENT_ARG_LIST(walk_state->arg_types);
}
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+ "Final argument count: %u pass %u\n",
+ walk_state->arg_count,
+ walk_state->pass_number));
+
/*
* Handle executable code at "module-level". This refers to
* executable opcodes that appear outside of any control method.
@@ -277,6 +282,11 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
AML_NAME_OP)
&& (walk_state->pass_number <=
ACPI_IMODE_LOAD_PASS2)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+ "Setup Package/Buffer: Pass %u, AML Ptr: %p\n",
+ walk_state->pass_number,
+ aml_op_start));
+
/*
* Skip parsing of Buffers and Packages because we don't have
* enough info in the first pass to parse them correctly.
@@ -570,6 +580,10 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
/* Check for arguments that need to be processed */
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+ "Parseloop: argument count: %u\n",
+ walk_state->arg_count));
+
if (walk_state->arg_count) {
/*
* There are arguments (complex ones), push Op and
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
index ef6384e374fcaf31480653bb077e159dbe52abe3..0bef6df71bba9cd0f61b036cbd349e03e0fd1979 100644
--- a/drivers/acpi/acpica/psobject.c
+++ b/drivers/acpi/acpica/psobject.c
@@ -359,6 +359,32 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state,
acpi_ps_build_named_op(walk_state, aml_op_start, op,
&named_op);
acpi_ps_free_op(op);
+
+#ifdef ACPI_ASL_COMPILER
+ if (acpi_gbl_disasm_flag
+ && walk_state->opcode == AML_EXTERNAL_OP
+ && status == AE_NOT_FOUND) {
+ /*
+ * If parsing of AML_EXTERNAL_OP's name path fails, then skip
+ * past this opcode and keep parsing. This is a much better
+ * alternative than to abort the entire disassembler. At this
+ * point, the parser_state is at the end of the namepath of the
+ * external declaration opcode. Setting walk_state->Aml to
+ * walk_state->parser_state.Aml + 2 moves increments the
+ * walk_state->Aml past the object type and the paramcount of the
+ * external opcode. For the error message, only print the AML
+ * offset. We could attempt to print the name but this may cause
+ * a segmentation fault when printing the namepath because the
+ * AML may be incorrect.
+ */
+ acpi_os_printf
+ ("// Invalid external declaration at AML offset 0x%x.\n",
+ walk_state->aml -
+ walk_state->parser_state.aml_start);
+ walk_state->aml = walk_state->parser_state.aml + 2;
+ return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
+ }
+#endif
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index 59a4f9ed06a7cc61b9e0435aaa2361a377fdfb26..be65e65e216ebe33763dbc8deb9e36f4536cb31b 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -615,7 +615,7 @@ ACPI_EXPORT_SYMBOL(acpi_walk_resource_buffer)
* device we are querying
* name - Method name of the resources we want.
* (METHOD_NAME__CRS, METHOD_NAME__PRS, or
- * METHOD_NAME__AEI)
+ * METHOD_NAME__AEI or METHOD_NAME__DMA)
* user_function - Called for each resource
* context - Passed to user_function
*
@@ -641,11 +641,12 @@ acpi_walk_resources(acpi_handle device_handle,
if (!device_handle || !user_function || !name ||
(!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
!ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) &&
- !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI))) {
+ !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI) &&
+ !ACPI_COMPARE_NAME(name, METHOD_NAME__DMA))) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Get the _CRS/_PRS/_AEI resource list */
+ /* Get the _CRS/_PRS/_AEI/_DMA resource list */
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_rs_get_method_data(device_handle, name, &buffer);
diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c
index c9d6fa6d7cc6f4470589cfc0a54a3d811de04565..b19a2f0ea331dbb7a544651fae8f6fe7eee6d8dc 100644
--- a/drivers/acpi/acpica/tbdata.c
+++ b/drivers/acpi/acpica/tbdata.c
@@ -50,6 +50,57 @@
#define _COMPONENT ACPI_TABLES
ACPI_MODULE_NAME("tbdata")
+/* Local prototypes */
+static acpi_status
+acpi_tb_check_duplication(struct acpi_table_desc *table_desc, u32 *table_index);
+
+static u8
+acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_compare_tables
+ *
+ * PARAMETERS: table_desc - Table 1 descriptor to be compared
+ * table_index - Index of table 2 to be compared
+ *
+ * RETURN: TRUE if both tables are identical.
+ *
+ * DESCRIPTION: This function compares a table with another table that has
+ * already been installed in the root table list.
+ *
+ ******************************************************************************/
+
+static u8
+acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index)
+{
+ acpi_status status = AE_OK;
+ u8 is_identical;
+ struct acpi_table_header *table;
+ u32 table_length;
+ u8 table_flags;
+
+ status =
+ acpi_tb_acquire_table(&acpi_gbl_root_table_list.tables[table_index],
+ &table, &table_length, &table_flags);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+
+ /*
+ * Check for a table match on the entire table length,
+ * not just the header.
+ */
+ is_identical = (u8)((table_desc->length != table_length ||
+ memcmp(table_desc->pointer, table, table_length)) ?
+ FALSE : TRUE);
+
+ /* Release the acquired table */
+
+ acpi_tb_release_table(table, table_length, table_flags);
+ return (is_identical);
+}
+
/*******************************************************************************
*
* FUNCTION: acpi_tb_init_table_descriptor
@@ -64,6 +115,7 @@ ACPI_MODULE_NAME("tbdata")
* DESCRIPTION: Initialize a new table descriptor
*
******************************************************************************/
+
void
acpi_tb_init_table_descriptor(struct acpi_table_desc *table_desc,
acpi_physical_address address,
@@ -338,7 +390,7 @@ void acpi_tb_invalidate_table(struct acpi_table_desc *table_desc)
acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc)
{
- if (!table_desc->pointer && !acpi_gbl_verify_table_checksum) {
+ if (!table_desc->pointer && !acpi_gbl_enable_table_validation) {
/*
* Only validates the header of the table.
* Note that Length contains the size of the mapping after invoking
@@ -354,22 +406,100 @@ acpi_status acpi_tb_validate_temp_table(struct acpi_table_desc *table_desc)
return (acpi_tb_validate_table(table_desc));
}
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_check_duplication
+ *
+ * PARAMETERS: table_desc - Table descriptor
+ * table_index - Where the table index is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Avoid installing duplicated tables. However table override and
+ * user aided dynamic table load is allowed, thus comparing the
+ * address of the table is not sufficient, and checking the entire
+ * table content is required.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_tb_check_duplication(struct acpi_table_desc *table_desc, u32 *table_index)
+{
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(tb_check_duplication);
+
+ /* Check if table is already registered */
+
+ for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
+
+ /* Do not compare with unverified tables */
+
+ if (!
+ (acpi_gbl_root_table_list.tables[i].
+ flags & ACPI_TABLE_IS_VERIFIED)) {
+ continue;
+ }
+
+ /*
+ * Check for a table match on the entire table length,
+ * not just the header.
+ */
+ if (!acpi_tb_compare_tables(table_desc, i)) {
+ continue;
+ }
+
+ /*
+ * Note: the current mechanism does not unregister a table if it is
+ * dynamically unloaded. The related namespace entries are deleted,
+ * but the table remains in the root table list.
+ *
+ * The assumption here is that the number of different tables that
+ * will be loaded is actually small, and there is minimal overhead
+ * in just keeping the table in case it is needed again.
+ *
+ * If this assumption changes in the future (perhaps on large
+ * machines with many table load/unload operations), tables will
+ * need to be unregistered when they are unloaded, and slots in the
+ * root table list should be reused when empty.
+ */
+ if (acpi_gbl_root_table_list.tables[i].flags &
+ ACPI_TABLE_IS_LOADED) {
+
+ /* Table is still loaded, this is an error */
+
+ return_ACPI_STATUS(AE_ALREADY_EXISTS);
+ } else {
+ *table_index = i;
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ }
+ }
+
+ /* Indicate no duplication to the caller */
+
+ return_ACPI_STATUS(AE_OK);
+}
+
/******************************************************************************
*
* FUNCTION: acpi_tb_verify_temp_table
*
* PARAMETERS: table_desc - Table descriptor
* signature - Table signature to verify
+ * table_index - Where the table index is returned
*
* RETURN: Status
*
* DESCRIPTION: This function is called to validate and verify the table, the
* returned table descriptor is in "VALIDATED" state.
+ * Note that 'TableIndex' is required to be set to !NULL to
+ * enable duplication check.
*
*****************************************************************************/
acpi_status
-acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
+acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc,
+ char *signature, u32 *table_index)
{
acpi_status status = AE_OK;
@@ -392,9 +522,10 @@ acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
goto invalidate_and_exit;
}
- /* Verify the checksum */
+ if (acpi_gbl_enable_table_validation) {
+
+ /* Verify the checksum */
- if (acpi_gbl_verify_table_checksum) {
status =
acpi_tb_verify_checksum(table_desc->pointer,
table_desc->length);
@@ -411,9 +542,34 @@ acpi_tb_verify_temp_table(struct acpi_table_desc *table_desc, char *signature)
goto invalidate_and_exit;
}
+
+ /* Avoid duplications */
+
+ if (table_index) {
+ status =
+ acpi_tb_check_duplication(table_desc, table_index);
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_CTRL_TERMINATE) {
+ ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY,
+ "%4.4s 0x%8.8X%8.8X"
+ " Table is duplicated",
+ acpi_ut_valid_nameseg
+ (table_desc->signature.
+ ascii) ? table_desc->
+ signature.
+ ascii : "????",
+ ACPI_FORMAT_UINT64
+ (table_desc->address)));
+ }
+
+ goto invalidate_and_exit;
+ }
+ }
+
+ table_desc->flags |= ACPI_TABLE_IS_VERIFIED;
}
- return_ACPI_STATUS(AE_OK);
+ return_ACPI_STATUS(status);
invalidate_and_exit:
acpi_tb_invalidate_table(table_desc);
@@ -436,6 +592,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
{
struct acpi_table_desc *tables;
u32 table_count;
+ u32 current_table_count, max_table_count;
+ u32 i;
ACPI_FUNCTION_TRACE(tb_resize_root_table_list);
@@ -455,8 +613,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
table_count = acpi_gbl_root_table_list.current_table_count;
}
- tables = ACPI_ALLOCATE_ZEROED(((acpi_size)table_count +
- ACPI_ROOT_TABLE_SIZE_INCREMENT) *
+ max_table_count = table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT;
+ tables = ACPI_ALLOCATE_ZEROED(((acpi_size)max_table_count) *
sizeof(struct acpi_table_desc));
if (!tables) {
ACPI_ERROR((AE_INFO,
@@ -466,9 +624,16 @@ acpi_status acpi_tb_resize_root_table_list(void)
/* Copy and free the previous table array */
+ current_table_count = 0;
if (acpi_gbl_root_table_list.tables) {
- memcpy(tables, acpi_gbl_root_table_list.tables,
- (acpi_size)table_count * sizeof(struct acpi_table_desc));
+ for (i = 0; i < table_count; i++) {
+ if (acpi_gbl_root_table_list.tables[i].address) {
+ memcpy(tables + current_table_count,
+ acpi_gbl_root_table_list.tables + i,
+ sizeof(struct acpi_table_desc));
+ current_table_count++;
+ }
+ }
if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
ACPI_FREE(acpi_gbl_root_table_list.tables);
@@ -476,8 +641,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
}
acpi_gbl_root_table_list.tables = tables;
- acpi_gbl_root_table_list.max_table_count =
- table_count + ACPI_ROOT_TABLE_SIZE_INCREMENT;
+ acpi_gbl_root_table_list.max_table_count = max_table_count;
+ acpi_gbl_root_table_list.current_table_count = current_table_count;
acpi_gbl_root_table_list.flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
return_ACPI_STATUS(AE_OK);
@@ -818,13 +983,9 @@ acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node)
acpi_ev_update_gpes(owner_id);
}
- /* Invoke table handler if present */
-
- if (acpi_gbl_table_handler) {
- (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table,
- acpi_gbl_table_handler_context);
- }
+ /* Invoke table handler */
+ acpi_tb_notify_table(ACPI_TABLE_EVENT_LOAD, table);
return_ACPI_STATUS(status);
}
@@ -894,15 +1055,11 @@ acpi_status acpi_tb_unload_table(u32 table_index)
return_ACPI_STATUS(AE_NOT_EXIST);
}
- /* Invoke table handler if present */
+ /* Invoke table handler */
- if (acpi_gbl_table_handler) {
- status = acpi_get_table_by_index(table_index, &table);
- if (ACPI_SUCCESS(status)) {
- (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_UNLOAD,
- table,
- acpi_gbl_table_handler_context);
- }
+ status = acpi_get_table_by_index(table_index, &table);
+ if (ACPI_SUCCESS(status)) {
+ acpi_tb_notify_table(ACPI_TABLE_EVENT_UNLOAD, table);
}
/* Delete the portion of the namespace owned by this table */
@@ -918,3 +1075,26 @@ acpi_status acpi_tb_unload_table(u32 table_index)
}
ACPI_EXPORT_SYMBOL(acpi_tb_unload_table)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_tb_notify_table
+ *
+ * PARAMETERS: event - Table event
+ * table - Validated table pointer
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Notify a table event to the users.
+ *
+ ******************************************************************************/
+
+void acpi_tb_notify_table(u32 event, void *table)
+{
+ /* Invoke table handler if present */
+
+ if (acpi_gbl_table_handler) {
+ (void)acpi_gbl_table_handler(event, table,
+ acpi_gbl_table_handler_context);
+ }
+}
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index 4620f3c68c13d9c653f8ef92ab7a688a404c4b4c..0dfc0ac3c141f1c8e3cb386c1c12339e8cf9b4ee 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -48,54 +48,6 @@
#define _COMPONENT ACPI_TABLES
ACPI_MODULE_NAME("tbinstal")
-/* Local prototypes */
-static u8
-acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index);
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_tb_compare_tables
- *
- * PARAMETERS: table_desc - Table 1 descriptor to be compared
- * table_index - Index of table 2 to be compared
- *
- * RETURN: TRUE if both tables are identical.
- *
- * DESCRIPTION: This function compares a table with another table that has
- * already been installed in the root table list.
- *
- ******************************************************************************/
-
-static u8
-acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index)
-{
- acpi_status status = AE_OK;
- u8 is_identical;
- struct acpi_table_header *table;
- u32 table_length;
- u8 table_flags;
-
- status =
- acpi_tb_acquire_table(&acpi_gbl_root_table_list.tables[table_index],
- &table, &table_length, &table_flags);
- if (ACPI_FAILURE(status)) {
- return (FALSE);
- }
-
- /*
- * Check for a table match on the entire table length,
- * not just the header.
- */
- is_identical = (u8)((table_desc->length != table_length ||
- memcmp(table_desc->pointer, table, table_length)) ?
- FALSE : TRUE);
-
- /* Release the acquired table */
-
- acpi_tb_release_table(table, table_length, table_flags);
- return (is_identical);
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_tb_install_table_with_override
@@ -112,7 +64,6 @@ acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index)
* table array.
*
******************************************************************************/
-
void
acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc,
u8 override, u32 *table_index)
@@ -210,95 +161,29 @@ acpi_tb_install_standard_table(acpi_physical_address address,
goto release_and_exit;
}
- /* Validate and verify a table before installation */
-
- status = acpi_tb_verify_temp_table(&new_table_desc, NULL);
- if (ACPI_FAILURE(status)) {
- goto release_and_exit;
- }
-
/* Acquire the table lock */
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
- if (reload) {
- /*
- * Validate the incoming table signature.
- *
- * 1) Originally, we checked the table signature for "SSDT" or "PSDT".
- * 2) We added support for OEMx tables, signature "OEM".
- * 3) Valid tables were encountered with a null signature, so we just
- * gave up on validating the signature, (05/2008).
- * 4) We encountered non-AML tables such as the MADT, which caused
- * interpreter errors and kernel faults. So now, we once again allow
- * only "SSDT", "OEMx", and now, also a null signature. (05/2011).
- */
- if ((new_table_desc.signature.ascii[0] != 0x00) &&
- (!ACPI_COMPARE_NAME
- (&new_table_desc.signature, ACPI_SIG_SSDT))
- && (strncmp(new_table_desc.signature.ascii, "OEM", 3))) {
- ACPI_BIOS_ERROR((AE_INFO,
- "Table has invalid signature [%4.4s] (0x%8.8X), "
- "must be SSDT or OEMx",
- acpi_ut_valid_nameseg(new_table_desc.
- signature.
- ascii) ?
- new_table_desc.signature.
- ascii : "????",
- new_table_desc.signature.integer));
-
- status = AE_BAD_SIGNATURE;
- goto unlock_and_exit;
- }
-
- /* Check if table is already registered */
-
- for (i = 0; i < acpi_gbl_root_table_list.current_table_count;
- ++i) {
- /*
- * Check for a table match on the entire table length,
- * not just the header.
- */
- if (!acpi_tb_compare_tables(&new_table_desc, i)) {
- continue;
- }
+ /* Validate and verify a table before installation */
+ status = acpi_tb_verify_temp_table(&new_table_desc, NULL, &i);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_CTRL_TERMINATE) {
/*
- * Note: the current mechanism does not unregister a table if it is
- * dynamically unloaded. The related namespace entries are deleted,
- * but the table remains in the root table list.
- *
- * The assumption here is that the number of different tables that
- * will be loaded is actually small, and there is minimal overhead
- * in just keeping the table in case it is needed again.
- *
- * If this assumption changes in the future (perhaps on large
- * machines with many table load/unload operations), tables will
- * need to be unregistered when they are unloaded, and slots in the
- * root table list should be reused when empty.
+ * Table was unloaded, allow it to be reloaded.
+ * As we are going to return AE_OK to the caller, we should
+ * take the responsibility of freeing the input descriptor.
+ * Refill the input descriptor to ensure
+ * acpi_tb_install_table_with_override() can be called again to
+ * indicate the re-installation.
*/
- if (acpi_gbl_root_table_list.tables[i].flags &
- ACPI_TABLE_IS_LOADED) {
-
- /* Table is still loaded, this is an error */
-
- status = AE_ALREADY_EXISTS;
- goto unlock_and_exit;
- } else {
- /*
- * Table was unloaded, allow it to be reloaded.
- * As we are going to return AE_OK to the caller, we should
- * take the responsibility of freeing the input descriptor.
- * Refill the input descriptor to ensure
- * acpi_tb_install_table_with_override() can be called again to
- * indicate the re-installation.
- */
- acpi_tb_uninstall_table(&new_table_desc);
- (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
- *table_index = i;
- return_ACPI_STATUS(AE_OK);
- }
+ acpi_tb_uninstall_table(&new_table_desc);
+ (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
+ *table_index = i;
+ return_ACPI_STATUS(AE_OK);
}
+ goto unlock_and_exit;
}
/* Add the table to the global root table list */
@@ -306,14 +191,10 @@ acpi_tb_install_standard_table(acpi_physical_address address,
acpi_tb_install_table_with_override(&new_table_desc, override,
table_index);
- /* Invoke table handler if present */
+ /* Invoke table handler */
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
- if (acpi_gbl_table_handler) {
- (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_INSTALL,
- new_table_desc.pointer,
- acpi_gbl_table_handler_context);
- }
+ acpi_tb_notify_table(ACPI_TABLE_EVENT_INSTALL, new_table_desc.pointer);
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
unlock_and_exit:
@@ -382,9 +263,11 @@ void acpi_tb_override_table(struct acpi_table_desc *old_table_desc)
finish_override:
- /* Validate and verify a table before overriding */
-
- status = acpi_tb_verify_temp_table(&new_table_desc, NULL);
+ /*
+ * Validate and verify a table before overriding, no nested table
+ * duplication check as it's too complicated and unnecessary.
+ */
+ status = acpi_tb_verify_temp_table(&new_table_desc, NULL, NULL);
if (ACPI_FAILURE(status)) {
return;
}
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index 010b1c43df922be2796a54c6f9131232f345d4d6..26ad596c973e9309d8fb961c26100eae2d650d1b 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -167,7 +167,8 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_initialize_tables)
acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
{
acpi_status status;
- u32 i;
+ struct acpi_table_desc *table_desc;
+ u32 i, j;
ACPI_FUNCTION_TRACE(acpi_reallocate_root_table);
@@ -179,6 +180,8 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
return_ACPI_STATUS(AE_SUPPORT);
}
+ (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
+
/*
* Ensure OS early boot logic, which is required by some hosts. If the
* table state is reported to be wrong, developers should fix the
@@ -186,17 +189,39 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void)
* early stage.
*/
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
- if (acpi_gbl_root_table_list.tables[i].pointer) {
+ table_desc = &acpi_gbl_root_table_list.tables[i];
+ if (table_desc->pointer) {
ACPI_ERROR((AE_INFO,
"Table [%4.4s] is not invalidated during early boot stage",
- acpi_gbl_root_table_list.tables[i].
- signature.ascii));
+ table_desc->signature.ascii));
}
}
- acpi_gbl_root_table_list.flags |= ACPI_ROOT_ALLOW_RESIZE;
+ if (!acpi_gbl_enable_table_validation) {
+ /*
+ * Now it's safe to do full table validation. We can do deferred
+ * table initilization here once the flag is set.
+ */
+ acpi_gbl_enable_table_validation = TRUE;
+ for (i = 0; i < acpi_gbl_root_table_list.current_table_count;
+ ++i) {
+ table_desc = &acpi_gbl_root_table_list.tables[i];
+ if (!(table_desc->flags & ACPI_TABLE_IS_VERIFIED)) {
+ status =
+ acpi_tb_verify_temp_table(table_desc, NULL,
+ &j);
+ if (ACPI_FAILURE(status)) {
+ acpi_tb_uninstall_table(table_desc);
+ }
+ }
+ }
+ }
+ acpi_gbl_root_table_list.flags |= ACPI_ROOT_ALLOW_RESIZE;
status = acpi_tb_resize_root_table_list();
+ acpi_gbl_root_table_list.flags |= ACPI_ROOT_ORIGIN_ALLOCATED;
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
return_ACPI_STATUS(status);
}
@@ -369,6 +394,10 @@ void acpi_put_table(struct acpi_table_header *table)
ACPI_FUNCTION_TRACE(acpi_put_table);
+ if (!table) {
+ return_VOID;
+ }
+
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
/* Walk the root table list */
diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c
index b71ce3b817ea4d2d91a983bcfd907d26816f0419..d81f442228b8b9b5fc6773df9f2969902a9b3cc1 100644
--- a/drivers/acpi/acpica/tbxfload.c
+++ b/drivers/acpi/acpica/tbxfload.c
@@ -206,7 +206,7 @@ acpi_status acpi_tb_load_namespace(void)
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
table = &acpi_gbl_root_table_list.tables[i];
- if (!acpi_gbl_root_table_list.tables[i].address ||
+ if (!table->address ||
(!ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_SSDT)
&& !ACPI_COMPARE_NAME(table->signature.ascii,
ACPI_SIG_PSDT)
diff --git a/drivers/acpi/acpica/uthex.c b/drivers/acpi/acpica/uthex.c
index 6600bc257516a0c79454f988766249bc169aa25f..fb406daf47fac98e7c448ef3a83118f9d4f61384 100644
--- a/drivers/acpi/acpica/uthex.c
+++ b/drivers/acpi/acpica/uthex.c
@@ -69,8 +69,10 @@ static const char acpi_gbl_hex_to_ascii[] = {
char acpi_ut_hex_to_ascii_char(u64 integer, u32 position)
{
+ u64 index;
- return (acpi_gbl_hex_to_ascii[(integer >> position) & 0xF]);
+ acpi_ut_short_shift_right(integer, position, &index);
+ return (acpi_gbl_hex_to_ascii[index & 0xF]);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c
index aa0502d1d019ff3a4ed602a9b0307fc40bd7026c..5f9c680076c4f95943b28a0b4f34fecacfd6f99b 100644
--- a/drivers/acpi/acpica/utmath.c
+++ b/drivers/acpi/acpica/utmath.c
@@ -47,15 +47,6 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utmath")
-/*
- * Optional support for 64-bit double-precision integer divide. This code
- * is configurable and is implemented in order to support 32-bit kernel
- * environments where a 64-bit double-precision math library is not available.
- *
- * Support for a more normal 64-bit divide/modulo (with check for a divide-
- * by-zero) appears after this optional section of code.
- */
-#ifndef ACPI_USE_NATIVE_DIVIDE
/* Structures used only for 64-bit divide */
typedef struct uint64_struct {
u32 lo;
@@ -69,6 +60,217 @@ typedef union uint64_overlay {
} uint64_overlay;
+/*
+ * Optional support for 64-bit double-precision integer multiply and shift.
+ * This code is configurable and is implemented in order to support 32-bit
+ * kernel environments where a 64-bit double-precision math library is not
+ * available.
+ */
+#ifndef ACPI_USE_NATIVE_MATH64
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_multiply
+ *
+ * PARAMETERS: multiplicand - 64-bit multiplicand
+ * multiplier - 32-bit multiplier
+ * out_product - Pointer to where the product is returned
+ *
+ * DESCRIPTION: Perform a short multiply.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_short_multiply(u64 multiplicand, u32 multiplier, u64 *out_product)
+{
+ union uint64_overlay multiplicand_ovl;
+ union uint64_overlay product;
+ u32 carry32;
+
+ ACPI_FUNCTION_TRACE(ut_short_multiply);
+
+ multiplicand_ovl.full = multiplicand;
+
+ /*
+ * The Product is 64 bits, the carry is always 32 bits,
+ * and is generated by the second multiply.
+ */
+ ACPI_MUL_64_BY_32(0, multiplicand_ovl.part.hi, multiplier,
+ product.part.hi, carry32);
+
+ ACPI_MUL_64_BY_32(0, multiplicand_ovl.part.lo, multiplier,
+ product.part.lo, carry32);
+
+ product.part.hi += carry32;
+
+ /* Return only what was requested */
+
+ if (out_product) {
+ *out_product = product.full;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_shift_left
+ *
+ * PARAMETERS: operand - 64-bit shift operand
+ * count - 32-bit shift count
+ * out_result - Pointer to where the result is returned
+ *
+ * DESCRIPTION: Perform a short left shift.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result)
+{
+ union uint64_overlay operand_ovl;
+
+ ACPI_FUNCTION_TRACE(ut_short_shift_left);
+
+ operand_ovl.full = operand;
+
+ if ((count & 63) >= 32) {
+ operand_ovl.part.hi = operand_ovl.part.lo;
+ operand_ovl.part.lo ^= operand_ovl.part.lo;
+ count = (count & 63) - 32;
+ }
+ ACPI_SHIFT_LEFT_64_BY_32(operand_ovl.part.hi,
+ operand_ovl.part.lo, count);
+
+ /* Return only what was requested */
+
+ if (out_result) {
+ *out_result = operand_ovl.full;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_shift_right
+ *
+ * PARAMETERS: operand - 64-bit shift operand
+ * count - 32-bit shift count
+ * out_result - Pointer to where the result is returned
+ *
+ * DESCRIPTION: Perform a short right shift.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result)
+{
+ union uint64_overlay operand_ovl;
+
+ ACPI_FUNCTION_TRACE(ut_short_shift_right);
+
+ operand_ovl.full = operand;
+
+ if ((count & 63) >= 32) {
+ operand_ovl.part.lo = operand_ovl.part.hi;
+ operand_ovl.part.hi ^= operand_ovl.part.hi;
+ count = (count & 63) - 32;
+ }
+ ACPI_SHIFT_RIGHT_64_BY_32(operand_ovl.part.hi,
+ operand_ovl.part.lo, count);
+
+ /* Return only what was requested */
+
+ if (out_result) {
+ *out_result = operand_ovl.full;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+#else
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_multiply
+ *
+ * PARAMETERS: See function headers above
+ *
+ * DESCRIPTION: Native version of the ut_short_multiply function.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_short_multiply(u64 multiplicand, u32 multiplier, u64 *out_product)
+{
+
+ ACPI_FUNCTION_TRACE(ut_short_multiply);
+
+ /* Return only what was requested */
+
+ if (out_product) {
+ *out_product = multiplicand * multiplier;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_shift_left
+ *
+ * PARAMETERS: See function headers above
+ *
+ * DESCRIPTION: Native version of the ut_short_shift_left function.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_short_shift_left(u64 operand, u32 count, u64 *out_result)
+{
+
+ ACPI_FUNCTION_TRACE(ut_short_shift_left);
+
+ /* Return only what was requested */
+
+ if (out_result) {
+ *out_result = operand << count;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_short_shift_right
+ *
+ * PARAMETERS: See function headers above
+ *
+ * DESCRIPTION: Native version of the ut_short_shift_right function.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_short_shift_right(u64 operand, u32 count, u64 *out_result)
+{
+
+ ACPI_FUNCTION_TRACE(ut_short_shift_right);
+
+ /* Return only what was requested */
+
+ if (out_result) {
+ *out_result = operand >> count;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+#endif
+
+/*
+ * Optional support for 64-bit double-precision integer divide. This code
+ * is configurable and is implemented in order to support 32-bit kernel
+ * environments where a 64-bit double-precision math library is not available.
+ *
+ * Support for a more normal 64-bit divide/modulo (with check for a divide-
+ * by-zero) appears after this optional section of code.
+ */
+#ifndef ACPI_USE_NATIVE_DIVIDE
+
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_divide
@@ -258,6 +460,7 @@ acpi_ut_divide(u64 in_dividend,
}
#else
+
/*******************************************************************************
*
* FUNCTION: acpi_ut_short_divide, acpi_ut_divide
@@ -272,6 +475,7 @@ acpi_ut_divide(u64 in_dividend,
* perform the divide.
*
******************************************************************************/
+
acpi_status
acpi_ut_short_divide(u64 in_dividend,
u32 divisor, u64 *out_quotient, u32 *out_remainder)
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index 443ffad01209b551786ac62af100c29f5fcdc015..45c78c2adbf0f28655d9f55d749034bd62965552 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -224,7 +224,7 @@ acpi_ut_create_update_state_and_push(union acpi_operand_object *object,
*
* RETURN: Status
*
- * DESCRIPTION: Walk through a package
+ * DESCRIPTION: Walk through a package, including subpackages
*
******************************************************************************/
@@ -236,8 +236,8 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
acpi_status status = AE_OK;
union acpi_generic_state *state_list = NULL;
union acpi_generic_state *state;
- u32 this_index;
union acpi_operand_object *this_source_obj;
+ u32 this_index;
ACPI_FUNCTION_TRACE(ut_walk_package_tree);
@@ -251,8 +251,10 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
/* Get one element of the package */
this_index = state->pkg.index;
- this_source_obj = (union acpi_operand_object *)
+ this_source_obj =
state->pkg.source_object->package.elements[this_index];
+ state->pkg.this_target_obj =
+ &state->pkg.source_object->package.elements[this_index];
/*
* Check for:
@@ -339,6 +341,8 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
/* We should never get here */
+ ACPI_ERROR((AE_INFO, "State list did not terminate correctly"));
+
return_ACPI_STATUS(AE_AML_INTERNAL);
}
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index 64e6641bfe824a5e6afd4bf7a4fa92766917d7e4..cb3db9fed50d1d753fcb1137518bdc096ae58356 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -483,6 +483,11 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
/* A namespace node should never get here */
+ ACPI_ERROR((AE_INFO,
+ "Received a namespace node [%4.4s] "
+ "where an operand object is required",
+ ACPI_CAST_PTR(struct acpi_namespace_node,
+ internal_object)->name.ascii));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c
index 7e6e1ae6140fd8cc7bbe0e5469f31835204bcc80..c008589b41bd9c3345d5ffed25c14a908557621b 100644
--- a/drivers/acpi/acpica/utprint.c
+++ b/drivers/acpi/acpica/utprint.c
@@ -176,7 +176,7 @@ const char *acpi_ut_scan_number(const char *string, u64 *number_ptr)
u64 number = 0;
while (isdigit((int)*string)) {
- number *= 10;
+ acpi_ut_short_multiply(number, 10, &number);
number += *(string++) - '0';
}
@@ -286,7 +286,7 @@ static char *acpi_ut_format_number(char *string,
/* Generate full string in reverse order */
pos = acpi_ut_put_number(reversed_string, number, base, upper);
- i = ACPI_PTR_DIFF(pos, reversed_string);
+ i = (s32)ACPI_PTR_DIFF(pos, reversed_string);
/* Printing 100 using %2d gives "100", not "00" */
@@ -475,7 +475,7 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
if (!s) {
s = "<NULL>";
}
- length = acpi_ut_bound_string_length(s, precision);
+ length = (s32)acpi_ut_bound_string_length(s, precision);
if (!(type & ACPI_FORMAT_LEFT)) {
while (length < width--) {
pos =
@@ -579,7 +579,7 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
}
}
- return (ACPI_PTR_DIFF(pos, string));
+ return ((int)ACPI_PTR_DIFF(pos, string));
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c
index 70f78a4bf13b84d561a6b76e24e33b4372a87f12..f9801d13547fe51685fb66b80190a5150459a3e4 100644
--- a/drivers/acpi/acpica/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -237,6 +237,13 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
}
+ /*
+ * Don't attempt to perform any validation on the 2nd byte.
+ * Although all known ASL compilers insert a zero for the 2nd
+ * byte, it can also be a checksum (as per the ACPI spec),
+ * and this is occasionally seen in the field. July 2017.
+ */
+
/* Return the pointer to the end_tag if requested */
if (!user_function) {
diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c
index 64308c304ade735f795fe3a091997d9db1173080..eafabcd2fada3c4684d6a08a6f20c51ab8cc5951 100644
--- a/drivers/acpi/acpica/utstate.c
+++ b/drivers/acpi/acpica/utstate.c
@@ -226,7 +226,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
void *external_object,
- u16 index)
+ u32 index)
{
union acpi_generic_state *state;
diff --git a/drivers/acpi/acpica/utstrtoul64.c b/drivers/acpi/acpica/utstrtoul64.c
index f42be01d99fdd48d22edbbf9ce56c275e949e253..9633ee142855b879feea438f62b6c80ad32b18c1 100644
--- a/drivers/acpi/acpica/utstrtoul64.c
+++ b/drivers/acpi/acpica/utstrtoul64.c
@@ -276,8 +276,8 @@ static u64 acpi_ut_strtoul_base10(char *string, u32 flags)
/* Convert and insert (add) the decimal digit */
- next_value =
- (return_value * 10) + (ascii_digit - ACPI_ASCII_ZERO);
+ acpi_ut_short_multiply(return_value, 10, &next_value);
+ next_value += (ascii_digit - ACPI_ASCII_ZERO);
/* Check for overflow (32 or 64 bit) - return current converted value */
@@ -335,9 +335,8 @@ static u64 acpi_ut_strtoul_base16(char *string, u32 flags)
/* Convert and insert the hex digit */
- return_value =
- (return_value << 4) |
- acpi_ut_ascii_char_to_hex(ascii_digit);
+ acpi_ut_short_shift_left(return_value, 4, &return_value);
+ return_value |= acpi_ut_ascii_char_to_hex(ascii_digit);
string++;
valid_digits++;
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
index 9a07a42cae3495f96d4e2a00266a41a2d3fdd820..3c8de88ecbd5ff776f670a2b6b741e5d1a53eae6 100644
--- a/drivers/acpi/acpica/uttrack.c
+++ b/drivers/acpi/acpica/uttrack.c
@@ -591,6 +591,10 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
return_VOID;
}
+ if (!acpi_gbl_global_list) {
+ goto exit;
+ }
+
element = acpi_gbl_global_list->list_head;
while (element) {
if ((element->component & component) &&
@@ -602,7 +606,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
if (element->size <
sizeof(struct acpi_common_descriptor)) {
- acpi_os_printf("%p Length 0x%04X %9.9s-%u "
+ acpi_os_printf("%p Length 0x%04X %9.9s-%4.4u "
"[Not a Descriptor - too small]\n",
descriptor, element->size,
element->module, element->line);
@@ -612,7 +616,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
if (ACPI_GET_DESCRIPTOR_TYPE(descriptor) !=
ACPI_DESC_TYPE_CACHED) {
acpi_os_printf
- ("%p Length 0x%04X %9.9s-%u [%s] ",
+ ("%p Length 0x%04X %9.9s-%4.4u [%s] ",
descriptor, element->size,
element->module, element->line,
acpi_ut_get_descriptor_name
@@ -705,6 +709,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
element = element->next;
}
+exit:
(void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);
/* Print summary */
diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h
index 6e9f14c0a71bd6365b5aeac106d428a4b8161b8d..cb4126051f6220ba18bbd793e7b1684bc3fc448a 100644
--- a/drivers/acpi/apei/apei-internal.h
+++ b/drivers/acpi/apei/apei-internal.h
@@ -120,11 +120,6 @@ int apei_exec_collect_resources(struct apei_exec_context *ctx,
struct dentry;
struct dentry *apei_get_debugfs_dir(void);
-#define apei_estatus_for_each_section(estatus, section) \
- for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
- (void *)section - (void *)estatus < estatus->data_length; \
- section = (void *)(section+1) + section->error_data_length)
-
static inline u32 cper_estatus_len(struct acpi_hest_generic_status *estatus)
{
if (estatus->raw_data_length)
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index ec50c32ea3da0496ca20e7d7fe8e7970b4cbd124..b38737c83a243b02ca423ba649b7db48afb65415 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -281,7 +281,7 @@ static struct acpi_generic_address *einj_get_trigger_parameter_region(
((char *)trigger_tab + sizeof(struct acpi_einj_trigger));
for (i = 0; i < trigger_tab->entry_count; i++) {
if (entry->action == ACPI_EINJ_TRIGGER_ERROR &&
- entry->instruction == ACPI_EINJ_WRITE_REGISTER_VALUE &&
+ entry->instruction <= ACPI_EINJ_WRITE_REGISTER_VALUE &&
entry->register_region.space_id ==
ACPI_ADR_SPACE_SYSTEM_MEMORY &&
(entry->register_region.address & param2) == (param1 & param2))
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index d661d452b238b882cfc65dfd94ac5881c5e211c7..077f9bad6f44a57bd01e930f9dd740001eadcd76 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -1157,7 +1157,8 @@ static int ghes_probe(struct platform_device *ghes_dev)
generic->header.source_id);
goto err_edac_unreg;
}
- rc = request_irq(ghes->irq, ghes_irq_func, 0, "GHES IRQ", ghes);
+ rc = request_irq(ghes->irq, ghes_irq_func, IRQF_SHARED,
+ "GHES IRQ", ghes);
if (rc) {
pr_err(GHES_PFX "Failed to register IRQ for generic hardware error source: %d\n",
generic->header.source_id);
@@ -1265,9 +1266,14 @@ static int __init ghes_init(void)
if (acpi_disabled)
return -ENODEV;
- if (hest_disable) {
+ switch (hest_disable) {
+ case HEST_NOT_FOUND:
+ return -ENODEV;
+ case HEST_DISABLED:
pr_info(GHES_PFX "HEST is not enabled!\n");
return -EINVAL;
+ default:
+ break;
}
if (ghes_disable) {
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 456b488eb1df5bf016606cc2ba412b6335613eea..9cb74115a43d76bbfa845feb57ef779bf320f0ad 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -37,7 +37,7 @@
#define HEST_PFX "HEST: "
-bool hest_disable;
+int hest_disable;
EXPORT_SYMBOL_GPL(hest_disable);
/* HEST table parsing */
@@ -213,7 +213,7 @@ static int __init hest_ghes_dev_register(unsigned int ghes_count)
static int __init setup_hest_disable(char *str)
{
- hest_disable = 1;
+ hest_disable = HEST_DISABLED;
return 0;
}
@@ -232,9 +232,10 @@ void __init acpi_hest_init(void)
status = acpi_get_table(ACPI_SIG_HEST, 0,
(struct acpi_table_header **)&hest_tab);
- if (status == AE_NOT_FOUND)
- goto err;
- else if (ACPI_FAILURE(status)) {
+ if (status == AE_NOT_FOUND) {
+ hest_disable = HEST_NOT_FOUND;
+ return;
+ } else if (ACPI_FAILURE(status)) {
const char *msg = acpi_format_exception(status);
pr_err(HEST_PFX "Failed to get table, %s\n", msg);
rc = -EINVAL;
@@ -257,5 +258,5 @@ void __init acpi_hest_init(void)
pr_info(HEST_PFX "Table parsing has been initialized.\n");
return;
err:
- hest_disable = 1;
+ hest_disable = HEST_DISABLED;
}
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 736783c67ea0599f6b4ae6561fdc66256f1fdeb1..9565d572f8dd2f3d65c0e16b8257f61100bbad50 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -693,13 +693,36 @@ static int iort_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
return iort_iommu_xlate(info->dev, parent, streamid);
}
+static int nc_dma_get_range(struct device *dev, u64 *size)
+{
+ struct acpi_iort_node *node;
+ struct acpi_iort_named_component *ncomp;
+
+ node = iort_scan_node(ACPI_IORT_NODE_NAMED_COMPONENT,
+ iort_match_node_callback, dev);
+ if (!node)
+ return -ENODEV;
+
+ ncomp = (struct acpi_iort_named_component *)node->node_data;
+
+ *size = ncomp->memory_address_limit >= 64 ? U64_MAX :
+ 1ULL<<ncomp->memory_address_limit;
+
+ return 0;
+}
+
/**
- * iort_set_dma_mask - Set-up dma mask for a device.
+ * iort_dma_setup() - Set-up device DMA parameters.
*
* @dev: device to configure
+ * @dma_addr: device DMA address result pointer
+ * @size: DMA range size result pointer
*/
-void iort_set_dma_mask(struct device *dev)
+void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size)
{
+ u64 mask, dmaaddr = 0, size = 0, offset = 0;
+ int ret, msb;
+
/*
* Set default coherent_dma_mask to 32 bit. Drivers are expected to
* setup the correct supported mask.
@@ -713,6 +736,36 @@ void iort_set_dma_mask(struct device *dev)
*/
if (!dev->dma_mask)
dev->dma_mask = &dev->coherent_dma_mask;
+
+ size = max(dev->coherent_dma_mask, dev->coherent_dma_mask + 1);
+
+ if (dev_is_pci(dev))
+ ret = acpi_dma_get_range(dev, &dmaaddr, &offset, &size);
+ else
+ ret = nc_dma_get_range(dev, &size);
+
+ if (!ret) {
+ msb = fls64(dmaaddr + size - 1);
+ /*
+ * Round-up to the power-of-two mask or set
+ * the mask to the whole 64-bit address space
+ * in case the DMA region covers the full
+ * memory window.
+ */
+ mask = msb == 64 ? U64_MAX : (1ULL << msb) - 1;
+ /*
+ * Limit coherent and dma mask based on size
+ * retrieved from firmware.
+ */
+ dev->coherent_dma_mask = mask;
+ *dev->dma_mask = mask;
+ }
+
+ *dma_addr = dmaaddr;
+ *dma_size = size;
+
+ dev->dma_pfn_offset = PFN_DOWN(offset);
+ dev_dbg(dev, "dma_pfn_offset(%#08llx)\n", offset);
}
/**
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 1cbb88d938e5aa90338c2e9509ed67835869ddbc..13e7b56e33aebbc7965bc89d53086c42df179c31 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -620,7 +620,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
return count;
}
-static struct device_attribute alarm_attr = {
+static const struct device_attribute alarm_attr = {
.attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index bb542acc05749cde9c95082144a3f104b8773330..037fd537bbf613a6b1a8108e962f3de0feafe340 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -30,30 +30,13 @@
#include "internal.h"
-enum acpi_blacklist_predicates {
- all_versions,
- less_than_or_equal,
- equal,
- greater_than_or_equal,
-};
-
-struct acpi_blacklist_item {
- char oem_id[7];
- char oem_table_id[9];
- u32 oem_revision;
- char *table;
- enum acpi_blacklist_predicates oem_revision_predicate;
- char *reason;
- u32 is_critical_error;
-};
-
static struct dmi_system_id acpi_rev_dmi_table[] __initdata;
/*
* POLICY: If *anything* doesn't work, put it on the blacklist.
* If they are critical errors, mark it critical, and abort driver load.
*/
-static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
+static struct acpi_platform_list acpi_blacklist[] __initdata = {
/* Compaq Presario 1700 */
{"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
"Multiple problems", 1},
@@ -67,65 +50,27 @@ static struct acpi_blacklist_item acpi_blacklist[] __initdata = {
{"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
"Incorrect _ADR", 1},
- {""}
+ { }
};
int __init acpi_blacklisted(void)
{
- int i = 0;
+ int i;
int blacklisted = 0;
- struct acpi_table_header table_header;
-
- while (acpi_blacklist[i].oem_id[0] != '\0') {
- if (acpi_get_table_header(acpi_blacklist[i].table, 0, &table_header)) {
- i++;
- continue;
- }
-
- if (strncmp(acpi_blacklist[i].oem_id, table_header.oem_id, 6)) {
- i++;
- continue;
- }
-
- if (strncmp
- (acpi_blacklist[i].oem_table_id, table_header.oem_table_id,
- 8)) {
- i++;
- continue;
- }
-
- if ((acpi_blacklist[i].oem_revision_predicate == all_versions)
- || (acpi_blacklist[i].oem_revision_predicate ==
- less_than_or_equal
- && table_header.oem_revision <=
- acpi_blacklist[i].oem_revision)
- || (acpi_blacklist[i].oem_revision_predicate ==
- greater_than_or_equal
- && table_header.oem_revision >=
- acpi_blacklist[i].oem_revision)
- || (acpi_blacklist[i].oem_revision_predicate == equal
- && table_header.oem_revision ==
- acpi_blacklist[i].oem_revision)) {
- printk(KERN_ERR PREFIX
- "Vendor \"%6.6s\" System \"%8.8s\" "
- "Revision 0x%x has a known ACPI BIOS problem.\n",
- acpi_blacklist[i].oem_id,
- acpi_blacklist[i].oem_table_id,
- acpi_blacklist[i].oem_revision);
+ i = acpi_match_platform_list(acpi_blacklist);
+ if (i >= 0) {
+ pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
+ acpi_blacklist[i].oem_id,
+ acpi_blacklist[i].oem_table_id,
+ acpi_blacklist[i].oem_revision);
- printk(KERN_ERR PREFIX
- "Reason: %s. This is a %s error\n",
- acpi_blacklist[i].reason,
- (acpi_blacklist[i].
- is_critical_error ? "non-recoverable" :
- "recoverable"));
+ pr_err(PREFIX "Reason: %s. This is a %s error\n",
+ acpi_blacklist[i].reason,
+ (acpi_blacklist[i].data ?
+ "non-recoverable" : "recoverable"));
- blacklisted = acpi_blacklist[i].is_critical_error;
- break;
- } else {
- i++;
- }
+ blacklisted = acpi_blacklist[i].data;
}
(void)early_acpi_osi_init();
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index af74b420ec833997b710c1cbd628da7c6bfa34c6..59f2f96fdb7e69fdee58c80a02ddb0f4edfba5de 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -995,9 +995,6 @@ void __init acpi_early_init(void)
printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
- /* It's safe to verify table checksums during late stage */
- acpi_gbl_verify_table_checksum = TRUE;
-
/* enable workarounds, unless strict ACPI spec. compliance */
if (!acpi_strict)
acpi_gbl_enable_interpreter_slack = TRUE;
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 2ed6935d4483bb0139e1ed9cc4cf27854c328c0d..fbcc73f7a0990993557e51205d451623f515c15c 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -401,6 +401,8 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
if (val != ACPI_NOTIFY_DEVICE_WAKE)
return;
+ acpi_handle_debug(handle, "Wake notify\n");
+
adev = acpi_bus_get_acpi_device(handle);
if (!adev)
return;
@@ -409,8 +411,12 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used)
if (adev->wakeup.flags.notifier_present) {
pm_wakeup_ws_event(adev->wakeup.ws, 0, acpi_s2idle_wakeup());
- if (adev->wakeup.context.func)
+ if (adev->wakeup.context.func) {
+ acpi_handle_debug(handle, "Running %pF for %s\n",
+ adev->wakeup.context.func,
+ dev_name(adev->wakeup.context.dev));
adev->wakeup.context.func(&adev->wakeup.context);
+ }
}
mutex_unlock(&acpi_pm_notifier_lock);
@@ -682,55 +688,88 @@ static void acpi_pm_notify_work_func(struct acpi_device_wakeup_context *context)
}
}
+static DEFINE_MUTEX(acpi_wakeup_lock);
+
+static int __acpi_device_wakeup_enable(struct acpi_device *adev,
+ u32 target_state, int max_count)
+{
+ struct acpi_device_wakeup *wakeup = &adev->wakeup;
+ acpi_status status;
+ int error = 0;
+
+ mutex_lock(&acpi_wakeup_lock);
+
+ if (wakeup->enable_count >= max_count)
+ goto out;
+
+ if (wakeup->enable_count > 0)
+ goto inc;
+
+ error = acpi_enable_wakeup_device_power(adev, target_state);
+ if (error)
+ goto out;
+
+ status = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);
+ if (ACPI_FAILURE(status)) {
+ acpi_disable_wakeup_device_power(adev);
+ error = -EIO;
+ goto out;
+ }
+
+inc:
+ wakeup->enable_count++;
+
+out:
+ mutex_unlock(&acpi_wakeup_lock);
+ return error;
+}
+
/**
- * acpi_device_wakeup - Enable/disable wakeup functionality for device.
- * @adev: ACPI device to enable/disable wakeup functionality for.
+ * acpi_device_wakeup_enable - Enable wakeup functionality for device.
+ * @adev: ACPI device to enable wakeup functionality for.
* @target_state: State the system is transitioning into.
- * @enable: Whether to enable or disable the wakeup functionality.
*
- * Enable/disable the GPE associated with @adev so that it can generate
- * wakeup signals for the device in response to external (remote) events and
- * enable/disable device wakeup power.
+ * Enable the GPE associated with @adev so that it can generate wakeup signals
+ * for the device in response to external (remote) events and enable wakeup
+ * power for it.
+ *
+ * Callers must ensure that @adev is a valid ACPI device node before executing
+ * this function.
+ */
+static int acpi_device_wakeup_enable(struct acpi_device *adev, u32 target_state)
+{
+ return __acpi_device_wakeup_enable(adev, target_state, 1);
+}
+
+/**
+ * acpi_device_wakeup_disable - Disable wakeup functionality for device.
+ * @adev: ACPI device to disable wakeup functionality for.
+ *
+ * Disable the GPE associated with @adev and disable wakeup power for it.
*
* Callers must ensure that @adev is a valid ACPI device node before executing
* this function.
*/
-static int acpi_device_wakeup(struct acpi_device *adev, u32 target_state,
- bool enable)
+static void acpi_device_wakeup_disable(struct acpi_device *adev)
{
struct acpi_device_wakeup *wakeup = &adev->wakeup;
- if (enable) {
- acpi_status res;
- int error;
+ mutex_lock(&acpi_wakeup_lock);
- if (adev->wakeup.flags.enabled)
- return 0;
+ if (!wakeup->enable_count)
+ goto out;
- error = acpi_enable_wakeup_device_power(adev, target_state);
- if (error)
- return error;
+ acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);
+ acpi_disable_wakeup_device_power(adev);
- res = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);
- if (ACPI_FAILURE(res)) {
- acpi_disable_wakeup_device_power(adev);
- return -EIO;
- }
- adev->wakeup.flags.enabled = 1;
- } else if (adev->wakeup.flags.enabled) {
- acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);
- acpi_disable_wakeup_device_power(adev);
- adev->wakeup.flags.enabled = 0;
- }
- return 0;
+ wakeup->enable_count--;
+
+out:
+ mutex_unlock(&acpi_wakeup_lock);
}
-/**
- * acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
- * @dev: Device to enable/disable to generate wakeup events.
- * @enable: Whether to enable or disable the wakeup functionality.
- */
-int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
+static int __acpi_pm_set_device_wakeup(struct device *dev, bool enable,
+ int max_count)
{
struct acpi_device *adev;
int error;
@@ -744,13 +783,41 @@ int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
if (!acpi_device_can_wakeup(adev))
return -EINVAL;
- error = acpi_device_wakeup(adev, acpi_target_system_state(), enable);
+ if (!enable) {
+ acpi_device_wakeup_disable(adev);
+ dev_dbg(dev, "Wakeup disabled by ACPI\n");
+ return 0;
+ }
+
+ error = __acpi_device_wakeup_enable(adev, acpi_target_system_state(),
+ max_count);
if (!error)
- dev_dbg(dev, "Wakeup %s by ACPI\n", enable ? "enabled" : "disabled");
+ dev_dbg(dev, "Wakeup enabled by ACPI\n");
return error;
}
-EXPORT_SYMBOL(acpi_pm_set_device_wakeup);
+
+/**
+ * acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
+ * @dev: Device to enable/disable to generate wakeup events.
+ * @enable: Whether to enable or disable the wakeup functionality.
+ */
+int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
+{
+ return __acpi_pm_set_device_wakeup(dev, enable, 1);
+}
+EXPORT_SYMBOL_GPL(acpi_pm_set_device_wakeup);
+
+/**
+ * acpi_pm_set_bridge_wakeup - Enable/disable remote wakeup for given bridge.
+ * @dev: Bridge device to enable/disable to generate wakeup events.
+ * @enable: Whether to enable or disable the wakeup functionality.
+ */
+int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable)
+{
+ return __acpi_pm_set_device_wakeup(dev, enable, INT_MAX);
+}
+EXPORT_SYMBOL_GPL(acpi_pm_set_bridge_wakeup);
/**
* acpi_dev_pm_low_power - Put ACPI device into a low-power state.
@@ -800,13 +867,15 @@ int acpi_dev_runtime_suspend(struct device *dev)
remote_wakeup = dev_pm_qos_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP) >
PM_QOS_FLAGS_NONE;
- error = acpi_device_wakeup(adev, ACPI_STATE_S0, remote_wakeup);
- if (remote_wakeup && error)
- return -EAGAIN;
+ if (remote_wakeup) {
+ error = acpi_device_wakeup_enable(adev, ACPI_STATE_S0);
+ if (error)
+ return -EAGAIN;
+ }
error = acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);
- if (error)
- acpi_device_wakeup(adev, ACPI_STATE_S0, false);
+ if (error && remote_wakeup)
+ acpi_device_wakeup_disable(adev);
return error;
}
@@ -829,7 +898,7 @@ int acpi_dev_runtime_resume(struct device *dev)
return 0;
error = acpi_dev_pm_full_power(adev);
- acpi_device_wakeup(adev, ACPI_STATE_S0, false);
+ acpi_device_wakeup_disable(adev);
return error;
}
EXPORT_SYMBOL_GPL(acpi_dev_runtime_resume);
@@ -884,13 +953,15 @@ int acpi_dev_suspend_late(struct device *dev)
target_state = acpi_target_system_state();
wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev);
- error = acpi_device_wakeup(adev, target_state, wakeup);
- if (wakeup && error)
- return error;
+ if (wakeup) {
+ error = acpi_device_wakeup_enable(adev, target_state);
+ if (error)
+ return error;
+ }
error = acpi_dev_pm_low_power(dev, adev, target_state);
- if (error)
- acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);
+ if (error && wakeup)
+ acpi_device_wakeup_disable(adev);
return error;
}
@@ -913,7 +984,7 @@ int acpi_dev_resume_early(struct device *dev)
return 0;
error = acpi_dev_pm_full_power(adev);
- acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);
+ acpi_device_wakeup_disable(adev);
return error;
}
EXPORT_SYMBOL_GPL(acpi_dev_resume_early);
@@ -1056,7 +1127,7 @@ static void acpi_dev_pm_detach(struct device *dev, bool power_off)
*/
dev_pm_qos_hide_latency_limit(dev);
dev_pm_qos_hide_flags(dev);
- acpi_device_wakeup(adev, ACPI_STATE_S0, false);
+ acpi_device_wakeup_disable(adev);
acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);
}
}
@@ -1100,7 +1171,7 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on)
dev_pm_domain_set(dev, &acpi_general_pm_domain);
if (power_on) {
acpi_dev_pm_full_power(adev);
- acpi_device_wakeup(adev, ACPI_STATE_S0, false);
+ acpi_device_wakeup_disable(adev);
}
dev->pm_domain->detach = acpi_dev_pm_detach;
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 0c00208b423e0fba1c7a9f2ddc907880108be9c7..2305e1ab978ea0e09f6a7eb8cdb4e3dc78b0533e 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -585,7 +585,7 @@ static struct attribute *dock_attributes[] = {
NULL
};
-static struct attribute_group dock_attribute_group = {
+static const struct attribute_group dock_attribute_group = {
.attrs = dock_attributes
};
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index ae3d6d15263307c2c159fd459d09bc93ef66fa03..fdfae6f3c0b1db36c8413fd14831fdfef751da30 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -112,8 +112,7 @@ enum {
EC_FLAGS_EVT_HANDLER_INSTALLED, /* _Qxx handlers installed */
EC_FLAGS_STARTED, /* Driver is started */
EC_FLAGS_STOPPED, /* Driver is stopped */
- EC_FLAGS_COMMAND_STORM, /* GPE storms occurred to the
- * current command processing */
+ EC_FLAGS_GPE_MASKED, /* GPE masked */
};
#define ACPI_EC_COMMAND_POLL 0x01 /* Available for command byte */
@@ -425,19 +424,19 @@ static void acpi_ec_complete_request(struct acpi_ec *ec)
wake_up(&ec->wait);
}
-static void acpi_ec_set_storm(struct acpi_ec *ec, u8 flag)
+static void acpi_ec_mask_gpe(struct acpi_ec *ec)
{
- if (!test_bit(flag, &ec->flags)) {
+ if (!test_bit(EC_FLAGS_GPE_MASKED, &ec->flags)) {
acpi_ec_disable_gpe(ec, false);
ec_dbg_drv("Polling enabled");
- set_bit(flag, &ec->flags);
+ set_bit(EC_FLAGS_GPE_MASKED, &ec->flags);
}
}
-static void acpi_ec_clear_storm(struct acpi_ec *ec, u8 flag)
+static void acpi_ec_unmask_gpe(struct acpi_ec *ec)
{
- if (test_bit(flag, &ec->flags)) {
- clear_bit(flag, &ec->flags);
+ if (test_bit(EC_FLAGS_GPE_MASKED, &ec->flags)) {
+ clear_bit(EC_FLAGS_GPE_MASKED, &ec->flags);
acpi_ec_enable_gpe(ec, false);
ec_dbg_drv("Polling disabled");
}
@@ -464,7 +463,7 @@ static bool acpi_ec_submit_flushable_request(struct acpi_ec *ec)
static void acpi_ec_submit_query(struct acpi_ec *ec)
{
- acpi_ec_set_storm(ec, EC_FLAGS_COMMAND_STORM);
+ acpi_ec_mask_gpe(ec);
if (!acpi_ec_event_enabled(ec))
return;
if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) {
@@ -480,7 +479,7 @@ static void acpi_ec_complete_query(struct acpi_ec *ec)
if (test_and_clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
ec_dbg_evt("Command(%s) unblocked",
acpi_ec_cmd_string(ACPI_EC_COMMAND_QUERY));
- acpi_ec_clear_storm(ec, EC_FLAGS_COMMAND_STORM);
+ acpi_ec_unmask_gpe(ec);
}
static inline void __acpi_ec_enable_event(struct acpi_ec *ec)
@@ -700,7 +699,7 @@ static void advance_transaction(struct acpi_ec *ec)
++t->irq_count;
/* Allow triggering on 0 threshold */
if (t->irq_count == ec_storm_threshold)
- acpi_ec_set_storm(ec, EC_FLAGS_COMMAND_STORM);
+ acpi_ec_mask_gpe(ec);
}
}
out:
@@ -798,7 +797,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
spin_lock_irqsave(&ec->lock, tmp);
if (t->irq_count == ec_storm_threshold)
- acpi_ec_clear_storm(ec, EC_FLAGS_COMMAND_STORM);
+ acpi_ec_unmask_gpe(ec);
ec_dbg_req("Command(%s) stopped", acpi_ec_cmd_string(t->command));
ec->curr = NULL;
/* Disable GPE for command processing (IBF=0/OBF=1) */
@@ -1586,9 +1585,7 @@ static bool acpi_is_boot_ec(struct acpi_ec *ec)
{
if (!boot_ec)
return false;
- if (ec->handle == boot_ec->handle &&
- ec->gpe == boot_ec->gpe &&
- ec->command_addr == boot_ec->command_addr &&
+ if (ec->command_addr == boot_ec->command_addr &&
ec->data_addr == boot_ec->data_addr)
return true;
return false;
@@ -1613,6 +1610,13 @@ static int acpi_ec_add(struct acpi_device *device)
if (acpi_is_boot_ec(ec)) {
boot_ec_is_ecdt = false;
+ /*
+ * Trust PNP0C09 namespace location rather than ECDT ID.
+ *
+ * But trust ECDT GPE rather than _GPE because of ASUS quirks,
+ * so do not change boot_ec->gpe to ec->gpe.
+ */
+ boot_ec->handle = ec->handle;
acpi_handle_debug(ec->handle, "duplicated.\n");
acpi_ec_free(ec);
ec = boot_ec;
@@ -1747,18 +1751,20 @@ static int __init acpi_ec_ecdt_start(void)
if (!boot_ec)
return -ENODEV;
- /*
- * The DSDT EC should have already been started in
- * acpi_ec_add().
- */
+ /* In case acpi_ec_ecdt_start() is called after acpi_ec_add() */
if (!boot_ec_is_ecdt)
return -ENODEV;
/*
* At this point, the namespace and the GPE is initialized, so
* start to find the namespace objects and handle the events.
+ *
+ * Note: ec->handle can be valid if this function is called after
+ * acpi_ec_add(), hence the fast path.
*/
- if (!acpi_ec_ecdt_get_handle(&handle))
+ if (boot_ec->handle != ACPI_ROOT_OBJECT)
+ handle = boot_ec->handle;
+ else if (!acpi_ec_ecdt_get_handle(&handle))
return -ENODEV;
return acpi_config_boot_ec(boot_ec, handle, true, true);
}
@@ -2011,8 +2017,8 @@ int __init acpi_ec_init(void)
return result;
/* Drivers must be started after acpi_ec_query_init() */
- ecdt_fail = acpi_ec_ecdt_start();
dsdt_fail = acpi_bus_register_driver(&acpi_ec_driver);
+ ecdt_fail = acpi_ec_ecdt_start();
return ecdt_fail && dsdt_fail ? -ENODEV : 0;
}
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 3f5af4d7a73989f86cdcc80c1e8e7b949a975702..4361c4415b4f4cce9b96a6c0f7aaec42c1f09b52 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -232,6 +232,12 @@ static inline void suspend_nvs_restore(void) {}
void acpi_init_properties(struct acpi_device *adev);
void acpi_free_properties(struct acpi_device *adev);
+#ifdef CONFIG_X86
+void acpi_extract_apple_properties(struct acpi_device *adev);
+#else
+static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
+#endif
+
/*--------------------------------------------------------------------------
Watchdog
-------------------------------------------------------------------------- */
diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c
index 723bee58bbcf5df1b30d966a50ecfe572f8b9c4c..19cdd8a783a93218117349a6f1a553db23bf02ee 100644
--- a/drivers/acpi/osi.c
+++ b/drivers/acpi/osi.c
@@ -27,6 +27,7 @@
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
+#include <linux/platform_data/x86/apple.h>
#include "internal.h"
@@ -257,12 +258,11 @@ bool acpi_osi_is_win8(void)
}
EXPORT_SYMBOL(acpi_osi_is_win8);
-static void __init acpi_osi_dmi_darwin(bool enable,
- const struct dmi_system_id *d)
+static void __init acpi_osi_dmi_darwin(void)
{
- pr_notice("DMI detected to setup _OSI(\"Darwin\"): %s\n", d->ident);
+ pr_notice("DMI detected to setup _OSI(\"Darwin\"): Apple hardware\n");
osi_config.darwin_dmi = 1;
- __acpi_osi_setup_darwin(enable);
+ __acpi_osi_setup_darwin(true);
}
static void __init acpi_osi_dmi_linux(bool enable,
@@ -273,13 +273,6 @@ static void __init acpi_osi_dmi_linux(bool enable,
__acpi_osi_setup_linux(enable);
}
-static int __init dmi_enable_osi_darwin(const struct dmi_system_id *d)
-{
- acpi_osi_dmi_darwin(true, d);
-
- return 0;
-}
-
static int __init dmi_enable_osi_linux(const struct dmi_system_id *d)
{
acpi_osi_dmi_linux(true, d);
@@ -481,30 +474,16 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"),
},
},
-
- /*
- * Enable _OSI("Darwin") for all apple platforms.
- */
- {
- .callback = dmi_enable_osi_darwin,
- .ident = "Apple hardware",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
- },
- },
- {
- .callback = dmi_enable_osi_darwin,
- .ident = "Apple hardware",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."),
- },
- },
{}
};
static __init void acpi_osi_dmi_blacklisted(void)
{
dmi_check_system(acpi_osi_dmi_table);
+
+ /* Enable _OSI("Darwin") for Apple platforms. */
+ if (x86_apple_machine)
+ acpi_osi_dmi_darwin();
}
int __init early_acpi_osi_init(void)
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 9eec3095e6c33eee313f64c7cc91ba525073cb95..6fc204a524932e97f4a2743ae7076f1e12e86ad8 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -33,6 +33,7 @@
#include <linux/acpi.h>
#include <linux/slab.h>
#include <linux/dmi.h>
+#include <linux/platform_data/x86/apple.h>
#include <acpi/apei.h> /* for acpi_hest_init() */
#include "internal.h"
@@ -431,8 +432,7 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm)
* been called successfully. We know the feature set supported by the
* platform, so avoid calling _OSC at all
*/
-
- if (dmi_match(DMI_SYS_VENDOR, "Apple Inc.")) {
+ if (x86_apple_machine) {
root->osc_control_set = ~OSC_PCI_EXPRESS_PME_CONTROL;
decode_osc_control(root, "OS assumes control of",
root->osc_control_set);
diff --git a/drivers/acpi/pmic/intel_pmic_xpower.c b/drivers/acpi/pmic/intel_pmic_xpower.c
index 3b7d5be5b7ed769e8c6f96bbfd2cbb93245b130c..6c99d3f810959506a1565187687a1f408c8b07d2 100644
--- a/drivers/acpi/pmic/intel_pmic_xpower.c
+++ b/drivers/acpi/pmic/intel_pmic_xpower.c
@@ -27,6 +27,9 @@
#define GPI1_LDO_ON (3 << 0)
#define GPI1_LDO_OFF (4 << 0)
+#define AXP288_ADC_TS_PIN_GPADC 0xf2
+#define AXP288_ADC_TS_PIN_ON 0xf3
+
static struct pmic_table power_table[] = {
{
.address = 0x00,
@@ -209,11 +212,23 @@ static int intel_xpower_pmic_update_power(struct regmap *regmap, int reg,
static int intel_xpower_pmic_get_raw_temp(struct regmap *regmap, int reg)
{
u8 buf[2];
+ int ret;
- if (regmap_bulk_read(regmap, AXP288_GP_ADC_H, buf, 2))
- return -EIO;
+ ret = regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL,
+ AXP288_ADC_TS_PIN_GPADC);
+ if (ret)
+ return ret;
+
+ /* After switching to the GPADC pin give things some time to settle */
+ usleep_range(6000, 10000);
+
+ ret = regmap_bulk_read(regmap, AXP288_GP_ADC_H, buf, 2);
+ if (ret == 0)
+ ret = (buf[0] << 4) + ((buf[1] >> 4) & 0x0f);
+
+ regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, AXP288_ADC_TS_PIN_ON);
- return (buf[0] << 4) + ((buf[1] >> 4) & 0x0F);
+ return ret;
}
static struct intel_pmic_opregion_data intel_xpower_pmic_opregion_data = {
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 591d1dd3f04e2989bee624a56878b09b46d768cd..9d6aff22684ea6ab5c95e4cdc7008f3a394441d9 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -237,7 +237,7 @@ static int __acpi_processor_start(struct acpi_device *device)
result = acpi_cppc_processor_probe(pr);
if (result && !IS_ENABLED(CONFIG_ACPI_CPU_FREQ_PSS))
- dev_warn(&device->dev, "CPPC data invalid or not present\n");
+ dev_dbg(&device->dev, "CPPC data invalid or not present\n");
if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver)
acpi_processor_power_init(pr);
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 476a52c60cf3de98b18abe2c35a681c2be3ae058..09b7974b6c6259ff04b59791d440161a46383885 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -339,6 +339,9 @@ void acpi_init_properties(struct acpi_device *adev)
INIT_LIST_HEAD(&adev->data.subnodes);
+ if (!adev->handle)
+ return;
+
/*
* Check if ACPI_DT_NAMESPACE_HID is present and inthat case we fill in
* Device Tree compatible properties for this device.
@@ -373,6 +376,9 @@ void acpi_init_properties(struct acpi_device *adev)
if (acpi_of && !adev->flags.of_compatible_ok)
acpi_handle_info(adev->handle,
ACPI_DT_NAMESPACE_HID " requires 'compatible' property\n");
+
+ if (!adev->data.pointer)
+ acpi_extract_apple_properties(adev);
}
static void acpi_destroy_nondev_subnodes(struct list_head *list)
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index cd4c4271dc4cd6ec5c676eb849cabcdc6a1736b7..d85e010ee2cced7b840ebe59fc41a4830bef74e4 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -573,6 +573,35 @@ static acpi_status acpi_dev_process_resource(struct acpi_resource *ares,
return AE_OK;
}
+static int __acpi_dev_get_resources(struct acpi_device *adev,
+ struct list_head *list,
+ int (*preproc)(struct acpi_resource *, void *),
+ void *preproc_data, char *method)
+{
+ struct res_proc_context c;
+ acpi_status status;
+
+ if (!adev || !adev->handle || !list_empty(list))
+ return -EINVAL;
+
+ if (!acpi_has_method(adev->handle, method))
+ return 0;
+
+ c.list = list;
+ c.preproc = preproc;
+ c.preproc_data = preproc_data;
+ c.count = 0;
+ c.error = 0;
+ status = acpi_walk_resources(adev->handle, method,
+ acpi_dev_process_resource, &c);
+ if (ACPI_FAILURE(status)) {
+ acpi_dev_free_resource_list(list);
+ return c.error ? c.error : -EIO;
+ }
+
+ return c.count;
+}
+
/**
* acpi_dev_get_resources - Get current resources of a device.
* @adev: ACPI device node to get the resources for.
@@ -601,30 +630,45 @@ int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
int (*preproc)(struct acpi_resource *, void *),
void *preproc_data)
{
- struct res_proc_context c;
- acpi_status status;
+ return __acpi_dev_get_resources(adev, list, preproc, preproc_data,
+ METHOD_NAME__CRS);
+}
+EXPORT_SYMBOL_GPL(acpi_dev_get_resources);
- if (!adev || !adev->handle || !list_empty(list))
- return -EINVAL;
+static int is_memory(struct acpi_resource *ares, void *not_used)
+{
+ struct resource_win win;
+ struct resource *res = &win.res;
- if (!acpi_has_method(adev->handle, METHOD_NAME__CRS))
- return 0;
+ memset(&win, 0, sizeof(win));
- c.list = list;
- c.preproc = preproc;
- c.preproc_data = preproc_data;
- c.count = 0;
- c.error = 0;
- status = acpi_walk_resources(adev->handle, METHOD_NAME__CRS,
- acpi_dev_process_resource, &c);
- if (ACPI_FAILURE(status)) {
- acpi_dev_free_resource_list(list);
- return c.error ? c.error : -EIO;
- }
+ return !(acpi_dev_resource_memory(ares, res)
+ || acpi_dev_resource_address_space(ares, &win)
+ || acpi_dev_resource_ext_address_space(ares, &win));
+}
- return c.count;
+/**
+ * acpi_dev_get_dma_resources - Get current DMA resources of a device.
+ * @adev: ACPI device node to get the resources for.
+ * @list: Head of the resultant list of resources (must be empty).
+ *
+ * Evaluate the _DMA method for the given device node and process its
+ * output.
+ *
+ * The resultant struct resource objects are put on the list pointed to
+ * by @list, that must be empty initially, as members of struct
+ * resource_entry objects. Callers of this routine should use
+ * %acpi_dev_free_resource_list() to free that list.
+ *
+ * The number of resources in the output list is returned on success,
+ * an error code reflecting the error condition is returned otherwise.
+ */
+int acpi_dev_get_dma_resources(struct acpi_device *adev, struct list_head *list)
+{
+ return __acpi_dev_get_resources(adev, list, is_memory, NULL,
+ METHOD_NAME__DMA);
}
-EXPORT_SYMBOL_GPL(acpi_dev_get_resources);
+EXPORT_SYMBOL_GPL(acpi_dev_get_dma_resources);
/**
* acpi_dev_filter_resource_type - Filter ACPI resource according to resource
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index ad0b13ad4bbb93b2b10da64b9607db809bdba39b..a2428e9462dd9f10ac5483d7cc42f928f25bf642 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -31,7 +31,7 @@
#include <linux/jiffies.h>
#include <linux/delay.h>
#include <linux/power_supply.h>
-#include <linux/dmi.h>
+#include <linux/platform_data/x86/apple.h>
#include "sbshc.h"
#include "battery.h"
@@ -58,8 +58,6 @@ static unsigned int cache_time = 1000;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
-static bool sbs_manager_broken;
-
#define MAX_SBS_BAT 4
#define ACPI_SBS_BLOCK_MAX 32
@@ -476,7 +474,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev,
return count;
}
-static struct device_attribute alarm_attr = {
+static const struct device_attribute alarm_attr = {
.attr = {.name = "alarm", .mode = 0644},
.show = acpi_battery_alarm_show,
.store = acpi_battery_alarm_store,
@@ -632,31 +630,12 @@ static void acpi_sbs_callback(void *context)
}
}
-static int disable_sbs_manager(const struct dmi_system_id *d)
-{
- sbs_manager_broken = true;
- return 0;
-}
-
-static struct dmi_system_id acpi_sbs_dmi_table[] = {
- {
- .callback = disable_sbs_manager,
- .ident = "Apple",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc.")
- },
- },
- { },
-};
-
static int acpi_sbs_add(struct acpi_device *device)
{
struct acpi_sbs *sbs;
int result = 0;
int id;
- dmi_check_system(acpi_sbs_dmi_table);
-
sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
if (!sbs) {
result = -ENOMEM;
@@ -677,7 +656,7 @@ static int acpi_sbs_add(struct acpi_device *device)
result = 0;
- if (!sbs_manager_broken) {
+ if (!x86_apple_machine) {
result = acpi_manager_get_info(sbs);
if (!result) {
sbs->manager_present = 1;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 70fd5502c2843a7cb0338245767a3c7dc2aeb308..ac8a8a52ee4abdcc825b72c304b27f08721abfa6 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -13,6 +13,7 @@
#include <linux/dmi.h>
#include <linux/nls.h>
#include <linux/dma-mapping.h>
+#include <linux/platform_data/x86/apple.h>
#include <asm/pgtable.h>
@@ -1359,6 +1360,85 @@ enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
return DEV_DMA_NON_COHERENT;
}
+/**
+ * acpi_dma_get_range() - Get device DMA parameters.
+ *
+ * @dev: device to configure
+ * @dma_addr: pointer device DMA address result
+ * @offset: pointer to the DMA offset result
+ * @size: pointer to DMA range size result
+ *
+ * Evaluate DMA regions and return respectively DMA region start, offset
+ * and size in dma_addr, offset and size on parsing success; it does not
+ * update the passed in values on failure.
+ *
+ * Return 0 on success, < 0 on failure.
+ */
+int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset,
+ u64 *size)
+{
+ struct acpi_device *adev;
+ LIST_HEAD(list);
+ struct resource_entry *rentry;
+ int ret;
+ struct device *dma_dev = dev;
+ u64 len, dma_start = U64_MAX, dma_end = 0, dma_offset = 0;
+
+ /*
+ * Walk the device tree chasing an ACPI companion with a _DMA
+ * object while we go. Stop if we find a device with an ACPI
+ * companion containing a _DMA method.
+ */
+ do {
+ adev = ACPI_COMPANION(dma_dev);
+ if (adev && acpi_has_method(adev->handle, METHOD_NAME__DMA))
+ break;
+
+ dma_dev = dma_dev->parent;
+ } while (dma_dev);
+
+ if (!dma_dev)
+ return -ENODEV;
+
+ if (!acpi_has_method(adev->handle, METHOD_NAME__CRS)) {
+ acpi_handle_warn(adev->handle, "_DMA is valid only if _CRS is present\n");
+ return -EINVAL;
+ }
+
+ ret = acpi_dev_get_dma_resources(adev, &list);
+ if (ret > 0) {
+ list_for_each_entry(rentry, &list, node) {
+ if (dma_offset && rentry->offset != dma_offset) {
+ ret = -EINVAL;
+ dev_warn(dma_dev, "Can't handle multiple windows with different offsets\n");
+ goto out;
+ }
+ dma_offset = rentry->offset;
+
+ /* Take lower and upper limits */
+ if (rentry->res->start < dma_start)
+ dma_start = rentry->res->start;
+ if (rentry->res->end > dma_end)
+ dma_end = rentry->res->end;
+ }
+
+ if (dma_start >= dma_end) {
+ ret = -EINVAL;
+ dev_dbg(dma_dev, "Invalid DMA regions configuration\n");
+ goto out;
+ }
+
+ *dma_addr = dma_start - dma_offset;
+ len = dma_end - dma_start;
+ *size = max(len, len + 1);
+ *offset = dma_offset;
+ }
+ out:
+ acpi_dev_free_resource_list(&list);
+
+ return ret >= 0 ? 0 : ret;
+}
+
/**
* acpi_dma_configure - Set-up DMA configuration for the device.
* @dev: The pointer to the device
@@ -1367,20 +1447,16 @@ enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr)
{
const struct iommu_ops *iommu;
- u64 size;
+ u64 dma_addr = 0, size = 0;
- iort_set_dma_mask(dev);
+ iort_dma_setup(dev, &dma_addr, &size);
iommu = iort_iommu_configure(dev);
if (IS_ERR(iommu) && PTR_ERR(iommu) == -EPROBE_DEFER)
return -EPROBE_DEFER;
- size = max(dev->coherent_dma_mask, dev->coherent_dma_mask + 1);
- /*
- * Assume dma valid range starts at 0 and covers the whole
- * coherent_dma_mask.
- */
- arch_setup_dma_ops(dev, 0, size, iommu, attr == DEV_DMA_COHERENT);
+ arch_setup_dma_ops(dev, dma_addr, size,
+ iommu, attr == DEV_DMA_COHERENT);
return 0;
}
@@ -1452,6 +1528,12 @@ static bool acpi_is_spi_i2c_slave(struct acpi_device *device)
struct list_head resource_list;
bool is_spi_i2c_slave = false;
+ /* Macs use device properties in lieu of _CRS resources */
+ if (x86_apple_machine &&
+ (fwnode_property_present(&device->fwnode, "spiSclkPeriod") ||
+ fwnode_property_present(&device->fwnode, "i2cAddress")))
+ return true;
+
INIT_LIST_HEAD(&resource_list);
acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave,
&is_spi_i2c_slave);
@@ -2058,6 +2140,9 @@ int __init acpi_scan_init(void)
acpi_get_spcr_uart_addr();
}
+ acpi_gpe_apply_masked_gpes();
+ acpi_update_all_gpes();
+
mutex_lock(&acpi_scan_lock);
/*
* Enumerate devices in the ACPI namespace.
@@ -2082,9 +2167,6 @@ int __init acpi_scan_init(void)
}
}
- acpi_gpe_apply_masked_gpes();
- acpi_update_all_gpes();
-
acpi_scan_initialized = true;
out:
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 09460d9f9208672c245d4abce28d2e805f5f25aa..9fdd014759f8dc4f00a19d1d633cbc747bca67b5 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -1044,7 +1044,7 @@ static struct syscore_ops acpi_sleep_syscore_ops = {
.resume = acpi_restore_bm_rld,
};
-void acpi_sleep_syscore_init(void)
+static void acpi_sleep_syscore_init(void)
{
register_syscore_ops(&acpi_sleep_syscore_ops);
}
diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index 98aa8c808a3346dc559e2f419ae4378dec075ffc..324b35bfe781d42ad83e70d2f95d4ed56ab0854c 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -53,17 +53,24 @@ static bool qdf2400_erratum_44_present(struct acpi_table_header *h)
*/
static bool xgene_8250_erratum_present(struct acpi_table_spcr *tb)
{
+ bool xgene_8250 = false;
+
if (tb->interface_type != ACPI_DBG2_16550_COMPATIBLE)
return false;
- if (memcmp(tb->header.oem_id, "APMC0D", ACPI_OEM_ID_SIZE))
+ if (memcmp(tb->header.oem_id, "APMC0D", ACPI_OEM_ID_SIZE) &&
+ memcmp(tb->header.oem_id, "HPE ", ACPI_OEM_ID_SIZE))
return false;
if (!memcmp(tb->header.oem_table_id, "XGENESPC",
ACPI_OEM_TABLE_ID_SIZE) && tb->header.oem_revision == 0)
- return true;
+ xgene_8250 = true;
- return false;
+ if (!memcmp(tb->header.oem_table_id, "ProLiant",
+ ACPI_OEM_TABLE_ID_SIZE) && tb->header.oem_revision == 1)
+ xgene_8250 = true;
+
+ return xgene_8250;
}
/**
@@ -105,16 +112,17 @@ int __init parse_spcr(bool earlycon)
}
if (table->serial_port.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
- switch (table->serial_port.access_width) {
+ switch (ACPI_ACCESS_BIT_WIDTH((
+ table->serial_port.access_width))) {
default:
pr_err("Unexpected SPCR Access Width. Defaulting to byte size\n");
- case ACPI_ACCESS_SIZE_BYTE:
+ case 8:
iotype = "mmio";
break;
- case ACPI_ACCESS_SIZE_WORD:
+ case 16:
iotype = "mmio16";
break;
- case ACPI_ACCESS_SIZE_DWORD:
+ case 32:
iotype = "mmio32";
break;
}
@@ -181,11 +189,19 @@ int __init parse_spcr(bool earlycon)
uart = "qdf2400_e44";
}
- if (xgene_8250_erratum_present(table))
+ if (xgene_8250_erratum_present(table)) {
iotype = "mmio32";
- snprintf(opts, sizeof(opts), "%s,%s,0x%llx,%d", uart, iotype,
- table->serial_port.address, baud_rate);
+ /* for xgene v1 and v2 we don't know the clock rate of the
+ * UART so don't attempt to change to the baud rate state
+ * in the table because driver cannot calculate the dividers
+ */
+ snprintf(opts, sizeof(opts), "%s,%s,0x%llx", uart, iotype,
+ table->serial_port.address);
+ } else {
+ snprintf(opts, sizeof(opts), "%s,%s,0x%llx,%d", uart, iotype,
+ table->serial_port.address, baud_rate);
+ }
pr_info("console: %s\n", opts);
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index e414fabf73158d77fba356be2c10354647e81a44..78a5a23010ab4522923ccae5709d4100458cfbbb 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -2,6 +2,8 @@
* sysfs.c - ACPI sysfs interface to userspace.
*/
+#define pr_fmt(fmt) "ACPI: " fmt
+
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/moduleparam.h>
@@ -306,11 +308,13 @@ module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444);
/*
* ACPI table sysfs I/F:
* /sys/firmware/acpi/tables/
+ * /sys/firmware/acpi/tables/data/
* /sys/firmware/acpi/tables/dynamic/
*/
static LIST_HEAD(acpi_table_attr_list);
static struct kobject *tables_kobj;
+static struct kobject *tables_data_kobj;
static struct kobject *dynamic_tables_kobj;
static struct kobject *hotplug_kobj;
@@ -325,6 +329,11 @@ struct acpi_table_attr {
struct list_head node;
};
+struct acpi_data_attr {
+ struct bin_attribute attr;
+ u64 addr;
+};
+
static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr, char *buf,
loff_t offset, size_t count)
@@ -420,6 +429,70 @@ acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context)
return AE_OK;
}
+static ssize_t acpi_data_show(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr, char *buf,
+ loff_t offset, size_t count)
+{
+ struct acpi_data_attr *data_attr;
+ void __iomem *base;
+ ssize_t rc;
+
+ data_attr = container_of(bin_attr, struct acpi_data_attr, attr);
+
+ base = acpi_os_map_memory(data_attr->addr, data_attr->attr.size);
+ if (!base)
+ return -ENOMEM;
+ rc = memory_read_from_buffer(buf, count, &offset, base,
+ data_attr->attr.size);
+ acpi_os_unmap_memory(base, data_attr->attr.size);
+
+ return rc;
+}
+
+static int acpi_bert_data_init(void *th, struct acpi_data_attr *data_attr)
+{
+ struct acpi_table_bert *bert = th;
+
+ if (bert->header.length < sizeof(struct acpi_table_bert) ||
+ bert->region_length < sizeof(struct acpi_hest_generic_status)) {
+ kfree(data_attr);
+ return -EINVAL;
+ }
+ data_attr->addr = bert->address;
+ data_attr->attr.size = bert->region_length;
+ data_attr->attr.attr.name = "BERT";
+
+ return sysfs_create_bin_file(tables_data_kobj, &data_attr->attr);
+}
+
+static struct acpi_data_obj {
+ char *name;
+ int (*fn)(void *, struct acpi_data_attr *);
+} acpi_data_objs[] = {
+ { ACPI_SIG_BERT, acpi_bert_data_init },
+};
+
+#define NUM_ACPI_DATA_OBJS ARRAY_SIZE(acpi_data_objs)
+
+static int acpi_table_data_init(struct acpi_table_header *th)
+{
+ struct acpi_data_attr *data_attr;
+ int i;
+
+ for (i = 0; i < NUM_ACPI_DATA_OBJS; i++) {
+ if (ACPI_COMPARE_NAME(th->signature, acpi_data_objs[i].name)) {
+ data_attr = kzalloc(sizeof(*data_attr), GFP_KERNEL);
+ if (!data_attr)
+ return -ENOMEM;
+ sysfs_attr_init(&data_attr->attr.attr);
+ data_attr->attr.read = acpi_data_show;
+ data_attr->attr.attr.mode = 0400;
+ return acpi_data_objs[i].fn(th, data_attr);
+ }
+ }
+ return 0;
+}
+
static int acpi_tables_sysfs_init(void)
{
struct acpi_table_attr *table_attr;
@@ -432,6 +505,10 @@ static int acpi_tables_sysfs_init(void)
if (!tables_kobj)
goto err;
+ tables_data_kobj = kobject_create_and_add("data", tables_kobj);
+ if (!tables_data_kobj)
+ goto err_tables_data;
+
dynamic_tables_kobj = kobject_create_and_add("dynamic", tables_kobj);
if (!dynamic_tables_kobj)
goto err_dynamic_tables;
@@ -456,13 +533,17 @@ static int acpi_tables_sysfs_init(void)
return ret;
}
list_add_tail(&table_attr->node, &acpi_table_attr_list);
+ acpi_table_data_init(table_header);
}
kobject_uevent(tables_kobj, KOBJ_ADD);
+ kobject_uevent(tables_data_kobj, KOBJ_ADD);
kobject_uevent(dynamic_tables_kobj, KOBJ_ADD);
return 0;
err_dynamic_tables:
+ kobject_put(tables_data_kobj);
+err_tables_data:
kobject_put(tables_kobj);
err:
return -ENOMEM;
@@ -552,11 +633,15 @@ static void fixed_event_count(u32 event_number)
static void acpi_global_event_handler(u32 event_type, acpi_handle device,
u32 event_number, void *context)
{
- if (event_type == ACPI_EVENT_TYPE_GPE)
+ if (event_type == ACPI_EVENT_TYPE_GPE) {
gpe_count(event_number);
-
- if (event_type == ACPI_EVENT_TYPE_FIXED)
+ pr_debug("GPE event 0x%02x\n", event_number);
+ } else if (event_type == ACPI_EVENT_TYPE_FIXED) {
fixed_event_count(event_number);
+ pr_debug("Fixed event 0x%02x\n", event_number);
+ } else {
+ pr_debug("Other event 0x%02x\n", event_number);
+ }
}
static int get_status(u32 index, acpi_event_status *status,
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index ff425390bfa8d24b6c089a8cb427210a70740ad4..80ce2a7d224b63d814420765bef9ff502571ef6d 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -740,10 +740,10 @@ int __init acpi_table_init(void)
if (acpi_verify_table_checksum) {
pr_info("Early table checksum verification enabled\n");
- acpi_gbl_verify_table_checksum = TRUE;
+ acpi_gbl_enable_table_validation = TRUE;
} else {
pr_info("Early table checksum verification disabled\n");
- acpi_gbl_verify_table_checksum = FALSE;
+ acpi_gbl_enable_table_validation = FALSE;
}
status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index b9d956c916f5e65ca737b5c02c45d266c65e00d1..0a9e5979aaa9af8e4781a19d3ef18e0029ecdc1b 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -816,3 +816,39 @@ static int __init acpi_backlight(char *str)
return 1;
}
__setup("acpi_backlight=", acpi_backlight);
+
+/**
+ * acpi_match_platform_list - Check if the system matches with a given list
+ * @plat: pointer to acpi_platform_list table terminated by a NULL entry
+ *
+ * Return the matched index if the system is found in the platform list.
+ * Otherwise, return a negative error code.
+ */
+int acpi_match_platform_list(const struct acpi_platform_list *plat)
+{
+ struct acpi_table_header hdr;
+ int idx = 0;
+
+ if (acpi_disabled)
+ return -ENODEV;
+
+ for (; plat->oem_id[0]; plat++, idx++) {
+ if (ACPI_FAILURE(acpi_get_table_header(plat->table, 0, &hdr)))
+ continue;
+
+ if (strncmp(plat->oem_id, hdr.oem_id, ACPI_OEM_ID_SIZE))
+ continue;
+
+ if (strncmp(plat->oem_table_id, hdr.oem_table_id, ACPI_OEM_TABLE_ID_SIZE))
+ continue;
+
+ if ((plat->pred == all_versions) ||
+ (plat->pred == less_than_or_equal && hdr.oem_revision <= plat->oem_revision) ||
+ (plat->pred == greater_than_or_equal && hdr.oem_revision >= plat->oem_revision) ||
+ (plat->pred == equal && hdr.oem_revision == plat->oem_revision))
+ return idx;
+ }
+
+ return -ENODEV;
+}
+EXPORT_SYMBOL(acpi_match_platform_list);
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index d179e8d9177dec40261e578f6e4a041ee9e404c3..601e5d372887d548c89e6e1dd8cae5533a2e3927 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -103,6 +103,12 @@ static int video_detect_force_native(const struct dmi_system_id *d)
return 0;
}
+static int video_detect_force_none(const struct dmi_system_id *d)
+{
+ acpi_backlight_dmi = acpi_backlight_none;
+ return 0;
+}
+
static const struct dmi_system_id video_detect_dmi_table[] = {
/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
* ACPI backlight device is used. This flag will definitively break
@@ -313,6 +319,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
},
},
+ {
+ .callback = video_detect_force_none,
+ .ident = "Dell OptiPlex 9020M",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 9020M"),
+ },
+ },
{ },
};
diff --git a/drivers/acpi/x86/apple.c b/drivers/acpi/x86/apple.c
new file mode 100644
index 0000000000000000000000000000000000000000..51b4cf9f25da9686d4014e743ef387df0829f93c
--- /dev/null
+++ b/drivers/acpi/x86/apple.c
@@ -0,0 +1,141 @@
+/*
+ * apple.c - Apple ACPI quirks
+ * Copyright (C) 2017 Lukas Wunner <lukas@wunner.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2) as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/bitmap.h>
+#include <linux/platform_data/x86/apple.h>
+#include <linux/uuid.h>
+
+/* Apple _DSM device properties GUID */
+static const guid_t apple_prp_guid =
+ GUID_INIT(0xa0b5b7c6, 0x1318, 0x441c,
+ 0xb0, 0xc9, 0xfe, 0x69, 0x5e, 0xaf, 0x94, 0x9b);
+
+/**
+ * acpi_extract_apple_properties - retrieve and convert Apple _DSM properties
+ * @adev: ACPI device for which to retrieve the properties
+ *
+ * Invoke Apple's custom _DSM once to check the protocol version and once more
+ * to retrieve the properties. They are marshalled up in a single package as
+ * alternating key/value elements, unlike _DSD which stores them as a package
+ * of 2-element packages. Convert to _DSD format and make them available under
+ * the primary fwnode.
+ */
+void acpi_extract_apple_properties(struct acpi_device *adev)
+{
+ unsigned int i, j = 0, newsize = 0, numprops, numvalid;
+ union acpi_object *props, *newprops;
+ unsigned long *valid = NULL;
+ void *free_space;
+
+ if (!x86_apple_machine)
+ return;
+
+ props = acpi_evaluate_dsm_typed(adev->handle, &apple_prp_guid, 1, 0,
+ NULL, ACPI_TYPE_BUFFER);
+ if (!props)
+ return;
+
+ if (!props->buffer.length)
+ goto out_free;
+
+ if (props->buffer.pointer[0] != 3) {
+ acpi_handle_info(adev->handle, FW_INFO
+ "unsupported properties version %*ph\n",
+ props->buffer.length, props->buffer.pointer);
+ goto out_free;
+ }
+
+ ACPI_FREE(props);
+ props = acpi_evaluate_dsm_typed(adev->handle, &apple_prp_guid, 1, 1,
+ NULL, ACPI_TYPE_PACKAGE);
+ if (!props)
+ return;
+
+ numprops = props->package.count / 2;
+ if (!numprops)
+ goto out_free;
+
+ valid = kcalloc(BITS_TO_LONGS(numprops), sizeof(long), GFP_KERNEL);
+ if (!valid)
+ goto out_free;
+
+ /* newsize = key length + value length of each tuple */
+ for (i = 0; i < numprops; i++) {
+ union acpi_object *key = &props->package.elements[i * 2];
+ union acpi_object *val = &props->package.elements[i * 2 + 1];
+
+ if ( key->type != ACPI_TYPE_STRING ||
+ (val->type != ACPI_TYPE_INTEGER &&
+ val->type != ACPI_TYPE_BUFFER))
+ continue; /* skip invalid properties */
+
+ __set_bit(i, valid);
+ newsize += key->string.length + 1;
+ if ( val->type == ACPI_TYPE_BUFFER)
+ newsize += val->buffer.length;
+ }
+
+ numvalid = bitmap_weight(valid, numprops);
+ if (numprops > numvalid)
+ acpi_handle_info(adev->handle, FW_INFO
+ "skipped %u properties: wrong type\n",
+ numprops - numvalid);
+ if (numvalid == 0)
+ goto out_free;
+
+ /* newsize += top-level package + 3 objects for each key/value tuple */
+ newsize += (1 + 3 * numvalid) * sizeof(union acpi_object);
+ newprops = ACPI_ALLOCATE_ZEROED(newsize);
+ if (!newprops)
+ goto out_free;
+
+ /* layout: top-level package | packages | key/value tuples | strings */
+ newprops->type = ACPI_TYPE_PACKAGE;
+ newprops->package.count = numvalid;
+ newprops->package.elements = &newprops[1];
+ free_space = &newprops[1 + 3 * numvalid];
+
+ for_each_set_bit(i, valid, numprops) {
+ union acpi_object *key = &props->package.elements[i * 2];
+ union acpi_object *val = &props->package.elements[i * 2 + 1];
+ unsigned int k = 1 + numvalid + j * 2; /* index into newprops */
+ unsigned int v = k + 1;
+
+ newprops[1 + j].type = ACPI_TYPE_PACKAGE;
+ newprops[1 + j].package.count = 2;
+ newprops[1 + j].package.elements = &newprops[k];
+
+ newprops[k].type = ACPI_TYPE_STRING;
+ newprops[k].string.length = key->string.length;
+ newprops[k].string.pointer = free_space;
+ memcpy(free_space, key->string.pointer, key->string.length);
+ free_space += key->string.length + 1;
+
+ newprops[v].type = val->type;
+ if (val->type == ACPI_TYPE_INTEGER) {
+ newprops[v].integer.value = val->integer.value;
+ } else {
+ newprops[v].buffer.length = val->buffer.length;
+ newprops[v].buffer.pointer = free_space;
+ memcpy(free_space, val->buffer.pointer,
+ val->buffer.length);
+ free_space += val->buffer.length;
+ }
+ j++; /* count valid properties */
+ }
+ WARN_ON(free_space != (void *)newprops + newsize);
+
+ adev->data.properties = newprops;
+ adev->data.pointer = newprops;
+
+out_free:
+ ACPI_FREE(props);
+ kfree(valid);
+}
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 8f95265d5f522bfc8c4afa72af8270175d42a6dc..93a0e88bef76f4a69a4abc60310e30d6f0549eee 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -2194,39 +2194,31 @@ enum {
PPC,
};
-struct hw_vendor_info {
- u16 valid;
- char oem_id[ACPI_OEM_ID_SIZE];
- char oem_table_id[ACPI_OEM_TABLE_ID_SIZE];
- int oem_pwr_table;
-};
-
/* Hardware vendor-specific info that has its own power management modes */
-static struct hw_vendor_info vendor_info[] __initdata = {
- {1, "HP ", "ProLiant", PSS},
- {1, "ORACLE", "X4-2 ", PPC},
- {1, "ORACLE", "X4-2L ", PPC},
- {1, "ORACLE", "X4-2B ", PPC},
- {1, "ORACLE", "X3-2 ", PPC},
- {1, "ORACLE", "X3-2L ", PPC},
- {1, "ORACLE", "X3-2B ", PPC},
- {1, "ORACLE", "X4470M2 ", PPC},
- {1, "ORACLE", "X4270M3 ", PPC},
- {1, "ORACLE", "X4270M2 ", PPC},
- {1, "ORACLE", "X4170M2 ", PPC},
- {1, "ORACLE", "X4170 M3", PPC},
- {1, "ORACLE", "X4275 M3", PPC},
- {1, "ORACLE", "X6-2 ", PPC},
- {1, "ORACLE", "Sudbury ", PPC},
- {0, "", ""},
+static struct acpi_platform_list plat_info[] __initdata = {
+ {"HP ", "ProLiant", 0, ACPI_SIG_FADT, all_versions, 0, PSS},
+ {"ORACLE", "X4-2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4-2L ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4-2B ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X3-2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X3-2L ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X3-2B ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4470M2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4270M3 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4270M2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4170M2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4170 M3", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X4275 M3", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "X6-2 ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ {"ORACLE", "Sudbury ", 0, ACPI_SIG_FADT, all_versions, 0, PPC},
+ { } /* End */
};
static bool __init intel_pstate_platform_pwr_mgmt_exists(void)
{
- struct acpi_table_header hdr;
- struct hw_vendor_info *v_info;
const struct x86_cpu_id *id;
u64 misc_pwr;
+ int idx;
id = x86_match_cpu(intel_pstate_cpu_oob_ids);
if (id) {
@@ -2235,21 +2227,15 @@ static bool __init intel_pstate_platform_pwr_mgmt_exists(void)
return true;
}
- if (acpi_disabled ||
- ACPI_FAILURE(acpi_get_table_header(ACPI_SIG_FADT, 0, &hdr)))
+ idx = acpi_match_platform_list(plat_info);
+ if (idx < 0)
return false;
- for (v_info = vendor_info; v_info->valid; v_info++) {
- if (!strncmp(hdr.oem_id, v_info->oem_id, ACPI_OEM_ID_SIZE) &&
- !strncmp(hdr.oem_table_id, v_info->oem_table_id,
- ACPI_OEM_TABLE_ID_SIZE))
- switch (v_info->oem_pwr_table) {
- case PSS:
- return intel_pstate_no_acpi_pss();
- case PPC:
- return intel_pstate_has_acpi_ppc() &&
- (!force_load);
- }
+ switch (plat_info[idx].data) {
+ case PSS:
+ return intel_pstate_no_acpi_pss();
+ case PPC:
+ return intel_pstate_has_acpi_ppc() && !force_load;
}
return false;
diff --git a/drivers/firmware/efi/apple-properties.c b/drivers/firmware/efi/apple-properties.c
index c473f4c5ca34148d55aeff63f8cf59993454296a..9f6bcf173b0ed8fdfc8b72f5e79dbb06ec2ef953 100644
--- a/drivers/firmware/efi/apple-properties.c
+++ b/drivers/firmware/efi/apple-properties.c
@@ -18,8 +18,8 @@
#define pr_fmt(fmt) "apple-properties: " fmt
#include <linux/bootmem.h>
-#include <linux/dmi.h>
#include <linux/efi.h>
+#include <linux/platform_data/x86/apple.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <linux/ucs2_string.h>
@@ -191,8 +191,7 @@ static int __init map_properties(void)
u64 pa_data;
int ret;
- if (!dmi_match(DMI_SYS_VENDOR, "Apple Inc.") &&
- !dmi_match(DMI_SYS_VENDOR, "Apple Computer, Inc."))
+ if (!x86_apple_machine)
return 0;
pa_data = boot_params.hdr.setup_data;
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
index 48a8f69da42aabacffe8efbbf0bae3e2d38669f3..bf3672a81e4948e87e494e4199cf6a16c1692793 100644
--- a/drivers/firmware/efi/cper.c
+++ b/drivers/firmware/efi/cper.c
@@ -606,7 +606,6 @@ void cper_estatus_print(const char *pfx,
const struct acpi_hest_generic_status *estatus)
{
struct acpi_hest_generic_data *gdata;
- unsigned int data_len;
int sec_no = 0;
char newpfx[64];
__u16 severity;
@@ -617,14 +616,10 @@ void cper_estatus_print(const char *pfx,
"It has been corrected by h/w "
"and requires no further action");
printk("%s""event severity: %s\n", pfx, cper_severity_str(severity));
- data_len = estatus->data_length;
- gdata = (struct acpi_hest_generic_data *)(estatus + 1);
snprintf(newpfx, sizeof(newpfx), "%s%s", pfx, INDENT_SP);
- while (data_len >= acpi_hest_get_size(gdata)) {
+ apei_estatus_for_each_section(estatus, gdata) {
cper_estatus_print_section(newpfx, gdata, sec_no);
- data_len -= acpi_hest_get_record_size(gdata);
- gdata = acpi_hest_get_next(gdata);
sec_no++;
}
}
@@ -653,15 +648,12 @@ int cper_estatus_check(const struct acpi_hest_generic_status *estatus)
if (rc)
return rc;
data_len = estatus->data_length;
- gdata = (struct acpi_hest_generic_data *)(estatus + 1);
- while (data_len >= acpi_hest_get_size(gdata)) {
+ apei_estatus_for_each_section(estatus, gdata) {
gedata_len = acpi_hest_get_error_length(gdata);
if (gedata_len > data_len - acpi_hest_get_size(gdata))
return -EINVAL;
-
data_len -= acpi_hest_get_record_size(gdata);
- gdata = acpi_hest_get_next(gdata);
}
if (data_len)
return -EINVAL;
diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c
index cbca5e51b9759c57813b8579a2d38318bab39e02..9b7005e1345e1a2b0f76ddc8e429a070d4c65790 100644
--- a/drivers/mailbox/pcc.c
+++ b/drivers/mailbox/pcc.c
@@ -457,10 +457,8 @@ static int __init acpi_pcc_probe(void)
/* Search for PCCT */
status = acpi_get_table(ACPI_SIG_PCCT, 0, &pcct_tbl);
- if (ACPI_FAILURE(status) || !pcct_tbl) {
- pr_warn("PCCT header not found.\n");
+ if (ACPI_FAILURE(status) || !pcct_tbl)
return -ENODEV;
- }
count = acpi_table_parse_entries(ACPI_SIG_PCCT,
sizeof(struct acpi_table_pcct),
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index e70c1c7ba1bf550422cd2b54bbf9801bb716a771..a8da543b3814b312a99af0ef1f3c3ef18e089478 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -573,7 +573,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
{
while (bus->parent) {
if (acpi_pm_device_can_wakeup(&bus->self->dev))
- return acpi_pm_set_device_wakeup(&bus->self->dev, enable);
+ return acpi_pm_set_bridge_wakeup(&bus->self->dev, enable);
bus = bus->parent;
}
@@ -581,7 +581,7 @@ static int acpi_pci_propagate_wakeup(struct pci_bus *bus, bool enable)
/* We have reached the root bus. */
if (bus->bridge) {
if (acpi_pm_device_can_wakeup(bus->bridge))
- return acpi_pm_set_device_wakeup(bus->bridge, enable);
+ return acpi_pm_set_bridge_wakeup(bus->bridge, enable);
}
return 0;
}
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 4450feaf5c00d7465d7cb0d083f1c7d49abb7ae5..11bd267fc1371acc303795876a6fba0b7725767a 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -647,9 +647,7 @@ static int pci_legacy_resume(struct device *dev)
static void pci_pm_default_resume(struct pci_dev *pci_dev)
{
pci_fixup_device(pci_fixup_resume, pci_dev);
-
- if (!pci_has_subordinate(pci_dev))
- pci_enable_wake(pci_dev, PCI_D0, false);
+ pci_enable_wake(pci_dev, PCI_D0, false);
}
static void pci_pm_default_suspend(struct pci_dev *pci_dev)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index fdf65a6c13f62558e887cd001f4c61ca2daef989..68e3b2b0da93e0e9ac0b9cddc08dbd11b3096829 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1912,6 +1912,13 @@ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable)
{
int ret = 0;
+ /*
+ * Bridges can only signal wakeup on behalf of subordinate devices,
+ * but that is set up elsewhere, so skip them.
+ */
+ if (pci_has_subordinate(dev))
+ return 0;
+
/* Don't do the same thing twice in a row for one device. */
if (!!enable == !!dev->wakeup_prepared)
return 0;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 140760403f36a932b7d39eb73ae3eb96d76cab37..a346487a953257b8f20a0e80315ecad01e6317b3 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -25,6 +25,7 @@
#include <linux/sched.h>
#include <linux/ktime.h>
#include <linux/mm.h>
+#include <linux/platform_data/x86/apple.h>
#include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h"
@@ -3447,7 +3448,7 @@ static void quirk_apple_poweroff_thunderbolt(struct pci_dev *dev)
{
acpi_handle bridge, SXIO, SXFP, SXLV;
- if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
+ if (!x86_apple_machine)
return;
if (pci_pcie_type(dev) != PCI_EXP_TYPE_UPSTREAM)
return;
@@ -3492,7 +3493,7 @@ static void quirk_apple_wait_for_thunderbolt(struct pci_dev *dev)
struct pci_dev *sibling = NULL;
struct pci_dev *nhi = NULL;
- if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
+ if (!x86_apple_machine)
return;
if (pci_pcie_type(dev) != PCI_EXP_TYPE_DOWNSTREAM)
return;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index cf8ee5e48f73659cae5471157b288f9e88669f64..6e65524cbfd9b8f7e1ff21a4c304908531476f21 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -41,6 +41,7 @@
#include <linux/acpi.h>
#include <linux/highmem.h>
#include <linux/idr.h>
+#include <linux/platform_data/x86/apple.h>
#define CREATE_TRACE_POINTS
#include <trace/events/spi.h>
@@ -1692,6 +1693,35 @@ static void of_register_spi_devices(struct spi_controller *ctlr) { }
#endif
#ifdef CONFIG_ACPI
+static void acpi_spi_parse_apple_properties(struct spi_device *spi)
+{
+ struct acpi_device *dev = ACPI_COMPANION(&spi->dev);
+ const union acpi_object *obj;
+
+ if (!x86_apple_machine)
+ return;
+
+ if (!acpi_dev_get_property(dev, "spiSclkPeriod", ACPI_TYPE_BUFFER, &obj)
+ && obj->buffer.length >= 4)
+ spi->max_speed_hz = NSEC_PER_SEC / *(u32 *)obj->buffer.pointer;
+
+ if (!acpi_dev_get_property(dev, "spiWordSize", ACPI_TYPE_BUFFER, &obj)
+ && obj->buffer.length == 8)
+ spi->bits_per_word = *(u64 *)obj->buffer.pointer;
+
+ if (!acpi_dev_get_property(dev, "spiBitOrder", ACPI_TYPE_BUFFER, &obj)
+ && obj->buffer.length == 8 && !*(u64 *)obj->buffer.pointer)
+ spi->mode |= SPI_LSB_FIRST;
+
+ if (!acpi_dev_get_property(dev, "spiSPO", ACPI_TYPE_BUFFER, &obj)
+ && obj->buffer.length == 8 && *(u64 *)obj->buffer.pointer)
+ spi->mode |= SPI_CPOL;
+
+ if (!acpi_dev_get_property(dev, "spiSPH", ACPI_TYPE_BUFFER, &obj)
+ && obj->buffer.length == 8 && *(u64 *)obj->buffer.pointer)
+ spi->mode |= SPI_CPHA;
+}
+
static int acpi_spi_add_resource(struct acpi_resource *ares, void *data)
{
struct spi_device *spi = data;
@@ -1765,6 +1795,8 @@ static acpi_status acpi_register_spi_device(struct spi_controller *ctlr,
acpi_spi_add_resource, spi);
acpi_dev_free_resource_list(&resource_list);
+ acpi_spi_parse_apple_properties(spi);
+
if (ret < 0 || !spi->max_speed_hz) {
spi_dev_put(spi);
return AE_OK;
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index bdaac1ff00a5af7518da6e3e03a2c8e6ef99a11b..53250fc057e1f355b490286ca545fcc2b8d4fb54 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -13,9 +13,9 @@
*/
#include <linux/delay.h>
-#include <linux/dmi.h>
#include <linux/mutex.h>
#include <linux/pci.h>
+#include <linux/platform_data/x86/apple.h>
#include <linux/sizes.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
@@ -102,11 +102,6 @@ static inline u64 get_route(u32 route_hi, u32 route_lo)
return (u64)route_hi << 32 | route_lo;
}
-static inline bool is_apple(void)
-{
- return dmi_match(DMI_BOARD_VENDOR, "Apple Inc.");
-}
-
static bool icm_match(const struct tb_cfg_request *req,
const struct ctl_pkg *pkg)
{
@@ -176,7 +171,7 @@ static int icm_request(struct tb *tb, const void *request, size_t request_size,
static bool icm_fr_is_supported(struct tb *tb)
{
- return !is_apple();
+ return !x86_apple_machine;
}
static inline int icm_fr_get_switch_index(u32 port)
@@ -517,7 +512,7 @@ static bool icm_ar_is_supported(struct tb *tb)
* Starting from Alpine Ridge we can use ICM on Apple machines
* as well. We just need to reset and re-enable it first.
*/
- if (!is_apple())
+ if (!x86_apple_machine)
return true;
/*
@@ -1011,7 +1006,7 @@ static int icm_start(struct tb *tb)
* don't provide images publicly either. To be on the safe side
* prevent root switch NVM upgrade on Macs for now.
*/
- tb->root_switch->no_nvm_upgrade = is_apple();
+ tb->root_switch->no_nvm_upgrade = x86_apple_machine;
ret = tb_switch_add(tb->root_switch);
if (ret)
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index 1b02ca0b6129d12bfd93dd111bf1204c8eee2c43..0b22ad9d68b4107ff199f9e0382ee6ccf30e2599 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -7,7 +7,7 @@
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/delay.h>
-#include <linux/dmi.h>
+#include <linux/platform_data/x86/apple.h>
#include "tb.h"
#include "tb_regs.h"
@@ -453,7 +453,7 @@ struct tb *tb_probe(struct tb_nhi *nhi)
struct tb_cm *tcm;
struct tb *tb;
- if (!dmi_match(DMI_BOARD_VENDOR, "Apple Inc."))
+ if (!x86_apple_machine)
return NULL;
tb = tb_domain_alloc(nhi, sizeof(*tcm));
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h
index b421584033a51dcfdce6918c62bdd6b0273c77e4..d8dd3bf51ca735613d02da030116d0b079f288b0 100644
--- a/include/acpi/acnames.h
+++ b/include/acpi/acnames.h
@@ -54,6 +54,7 @@
#define METHOD_NAME__CLS "_CLS"
#define METHOD_NAME__CRS "_CRS"
#define METHOD_NAME__DDN "_DDN"
+#define METHOD_NAME__DMA "_DMA"
#define METHOD_NAME__HID "_HID"
#define METHOD_NAME__INI "_INI"
#define METHOD_NAME__PLD "_PLD"
diff --git a/include/acpi/acpi.h b/include/acpi/acpi.h
index ca036620703c6be8c726dd1b77c3e7fc89d9de2a..0887d7cbb7e1428e08e7c9b130ccbd354eb8be78 100644
--- a/include/acpi/acpi.h
+++ b/include/acpi/acpi.h
@@ -58,10 +58,10 @@
#include <acpi/actypes.h> /* ACPICA data types and structures */
#include <acpi/acexcep.h> /* ACPICA exceptions */
#include <acpi/actbl.h> /* ACPI table definitions */
-#include <acpi/acoutput.h> /* Error output and Debug macros */
#include <acpi/acrestyp.h> /* Resource Descriptor structs */
+#include <acpi/platform/acenvex.h> /* Extra environment-specific items */
+#include <acpi/acoutput.h> /* Error output and Debug macros */
#include <acpi/acpiosxf.h> /* OSL interfaces (ACPICA-to-OS) */
#include <acpi/acpixf.h> /* ACPI core subsystem external interfaces */
-#include <acpi/platform/acenvex.h> /* Extra environment-specific items */
#endif /* __ACPI_H__ */
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 68bc6be447fd6d97c4a90d78ed65aa89dead82be..fdf36339a6429fdc3e41d675131dac94e7993f55 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -316,7 +316,6 @@ struct acpi_device_perf {
struct acpi_device_wakeup_flags {
u8 valid:1; /* Can successfully enable wakeup? */
u8 notifier_present:1; /* Wake-up notify handler has been installed */
- u8 enabled:1; /* Enabled for wakeup */
};
struct acpi_device_wakeup_context {
@@ -333,6 +332,7 @@ struct acpi_device_wakeup {
struct acpi_device_wakeup_context context;
struct wakeup_source *ws;
int prepare_count;
+ int enable_count;
};
struct acpi_device_physical_node {
@@ -578,6 +578,8 @@ struct acpi_pci_root {
bool acpi_dma_supported(struct acpi_device *adev);
enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev);
+int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset,
+ u64 *size);
int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr);
void acpi_dma_deconfigure(struct device *dev);
@@ -606,6 +608,7 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev);
bool acpi_pm_device_can_wakeup(struct device *dev);
int acpi_pm_device_sleep_state(struct device *, int *, int);
int acpi_pm_set_device_wakeup(struct device *dev, bool enable);
+int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable);
#else
static inline void acpi_pm_wakeup_event(struct device *dev)
{
@@ -636,6 +639,10 @@ static inline int acpi_pm_set_device_wakeup(struct device *dev, bool enable)
{
return -ENODEV;
}
+static inline int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable)
+{
+ return -ENODEV;
+}
#endif
#ifdef CONFIG_ACPI_SLEEP
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index a59c44c3edd88c397c87f506fd4ffaf448ad1fbf..53c5e2f7bcecd82f824d021de2d31d67e9206c71 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -46,7 +46,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20170531
+#define ACPI_CA_VERSION 0x20170728
#include <acpi/acconfig.h>
#include <acpi/actypes.h>
@@ -160,13 +160,14 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
/*
- * Whether or not to verify the table checksum before installation. Set
- * this to TRUE to verify the table checksum before install it to the table
- * manager. Note that enabling this option causes errors to happen in some
- * OSPMs during early initialization stages. Default behavior is to do such
- * verification.
+ * Whether or not to validate (map) an entire table to verify
+ * checksum/duplication in early stage before install. Set this to TRUE to
+ * allow early table validation before install it to the table manager.
+ * Note that enabling this option causes errors to happen in some OSPMs
+ * during early initialization stages. Default behavior is to allow such
+ * validation.
*/
-ACPI_INIT_GLOBAL(u8, acpi_gbl_verify_table_checksum, TRUE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE);
/*
* Optionally enable output from the AML Debug Object.
diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h
index 4f7f39a02820b98ef4cf5bc408fee8593bbc9707..343dbdcef20c66b6a1833d03f23028a625a7bb67 100644
--- a/include/acpi/acrestyp.h
+++ b/include/acpi/acrestyp.h
@@ -377,13 +377,6 @@ struct acpi_resource_generic_register {
u64 address;
};
-/* Generic Address Space Access Sizes */
-#define ACPI_ACCESS_SIZE_UNDEFINED 0
-#define ACPI_ACCESS_SIZE_BYTE 1
-#define ACPI_ACCESS_SIZE_WORD 2
-#define ACPI_ACCESS_SIZE_DWORD 3
-#define ACPI_ACCESS_SIZE_QWORD 4
-
struct acpi_resource_gpio {
u8 revision_id;
u8 connection_type;
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index bdc55c0da19cd06c65e589d9071f65c2eb5c2332..89509b86cb54bd04351bdd7cd0da2251dc2f4214 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -394,6 +394,7 @@ struct acpi_table_desc {
#define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */
#define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */
#define ACPI_TABLE_ORIGIN_MASK (3)
+#define ACPI_TABLE_IS_VERIFIED (4)
#define ACPI_TABLE_IS_LOADED (8)
/*
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 707dda74c272625fe0dc43e4e3d7f85a25484c33..686b6f8c09dc7fd013853c8991cd08a0ee744069 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -76,6 +76,7 @@
#define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */
#define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */
#define ACPI_SIG_MTMR "MTMR" /* MID Timer table */
+#define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception Interface Table */
#define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */
#define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */
#define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */
@@ -664,7 +665,7 @@ struct acpi_ibft_target {
* IORT - IO Remapping Table
*
* Conforms to "IO Remapping Table System Software on ARM Platforms",
- * Document number: ARM DEN 0049B, October 2015
+ * Document number: ARM DEN 0049C, May 2017
*
******************************************************************************/
@@ -779,6 +780,8 @@ struct acpi_iort_smmu {
#define ACPI_IORT_SMMU_V2 0x00000001 /* Generic SMMUv2 */
#define ACPI_IORT_SMMU_CORELINK_MMU400 0x00000002 /* ARM Corelink MMU-400 */
#define ACPI_IORT_SMMU_CORELINK_MMU500 0x00000003 /* ARM Corelink MMU-500 */
+#define ACPI_IORT_SMMU_CORELINK_MMU401 0x00000004 /* ARM Corelink MMU-401 */
+#define ACPI_IORT_SMMU_CAVIUM_THUNDERX 0x00000005 /* Cavium thunder_x SMMUv2 */
/* Masks for Flags field above */
@@ -799,17 +802,27 @@ struct acpi_iort_smmu_v3 {
u32 flags;
u32 reserved;
u64 vatos_address;
- u32 model; /* O: generic SMMUv3 */
+ u32 model;
u32 event_gsiv;
u32 pri_gsiv;
u32 gerr_gsiv;
u32 sync_gsiv;
+ u8 pxm;
+ u8 reserved1;
+ u16 reserved2;
};
+/* Values for Model field above */
+
+#define ACPI_IORT_SMMU_V3_GENERIC 0x00000000 /* Generic SMMUv3 */
+#define ACPI_IORT_SMMU_V3_HISILICON_HI161X 0x00000001 /* hi_silicon Hi161x SMMUv3 */
+#define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX 0x00000002 /* Cavium CN99xx SMMUv3 */
+
/* Masks for Flags field above */
#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1)
#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (1<<1)
+#define ACPI_IORT_SMMU_V3_PXM_VALID (1<<3)
/*******************************************************************************
*
@@ -1120,6 +1133,19 @@ struct acpi_mtmr_entry {
u32 irq;
};
+/*******************************************************************************
+ *
+ * SDEI - Software Delegated Exception Interface Descriptor Table
+ *
+ * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A,
+ * May 8th, 2017. Copyright 2017 ARM Ltd.
+ *
+ ******************************************************************************/
+
+struct acpi_table_sdei {
+ struct acpi_table_header header; /* Common ACPI table header */
+};
+
/*******************************************************************************
*
* SLIC - Software Licensing Description Table
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 2fcbaec8b3687a6319b80b16e27a886262d6eb0b..4f077edb9b81b8086153609d6b4b22b4a22b96e0 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -166,6 +166,7 @@ typedef u64 acpi_physical_address;
#define ACPI_SIZE_MAX ACPI_UINT64_MAX
#define ACPI_USE_NATIVE_DIVIDE /* Has native 64-bit integer support */
+#define ACPI_USE_NATIVE_MATH64 /* Has native 64-bit integer support */
/*
* In the case of the Itanium Processor Family (IPF), the hardware does not
@@ -554,6 +555,13 @@ typedef u64 acpi_integer;
#define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
#define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
+/*
+ * Algorithm to obtain access bit width.
+ * Can be used with access_width of struct acpi_generic_address and access_size of
+ * struct acpi_resource_generic_register.
+ */
+#define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2))
+
/*******************************************************************************
*
* Miscellaneous constants
@@ -775,7 +783,7 @@ typedef u32 acpi_event_status;
* | | | | +-- Type of dispatch:to method, handler, notify, or none
* | | | +----- Interrupt type: edge or level triggered
* | | +------- Is a Wake GPE
- * | +--------- Is GPE masked by the software GPE masking mechanism
+ * | +--------- Has been enabled automatically at init time
* +------------ <Reserved>
*/
#define ACPI_GPE_DISPATCH_NONE (u8) 0x00
@@ -791,6 +799,7 @@ typedef u32 acpi_event_status;
#define ACPI_GPE_XRUPT_TYPE_MASK (u8) 0x08
#define ACPI_GPE_CAN_WAKE (u8) 0x10
+#define ACPI_GPE_AUTO_ENABLED (u8) 0x20
/*
* Flags for GPE and Lock interfaces
diff --git a/include/acpi/apei.h b/include/acpi/apei.h
index 76284bb560a6cd36e7a09253aa67e7363a74be6b..c46694abea28846509f222a613e3e20d8eb799c2 100644
--- a/include/acpi/apei.h
+++ b/include/acpi/apei.h
@@ -16,7 +16,13 @@
#ifdef __KERNEL__
-extern bool hest_disable;
+enum hest_status {
+ HEST_ENABLED,
+ HEST_DISABLED,
+ HEST_NOT_FOUND,
+};
+
+extern int hest_disable;
extern int erst_disable;
#ifdef CONFIG_ACPI_APEI_GHES
extern bool ghes_disable;
diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h
index 9f26e01186aea6ccd37d1c7771de3978d9111bb5..9061c5c743b386cb05e065d1158a9fd1ca771dae 100644
--- a/include/acpi/ghes.h
+++ b/include/acpi/ghes.h
@@ -113,6 +113,11 @@ static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata)
return (void *)(gdata) + acpi_hest_get_record_size(gdata);
}
+#define apei_estatus_for_each_section(estatus, section) \
+ for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
+ (void *)section - (void *)(estatus + 1) < estatus->data_length; \
+ section = acpi_hest_get_next(section))
+
int ghes_notify_sea(void);
#endif /* GHES_H */
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 912563c66948e48568e90f618bf1b8872e3342f6..043fd559de6ed6fe16b0eef8feacec40e637a8c6 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -288,6 +288,11 @@
#define ACPI_INLINE
#endif
+/* Use ordered initialization if compiler doesn't support designated. */
+#ifndef ACPI_STRUCT_INIT
+#define ACPI_STRUCT_INIT(field, value) value
+#endif
+
/*
* Configurable calling conventions:
*
@@ -382,8 +387,4 @@
#define ACPI_INIT_FUNCTION
#endif
-#ifndef ACPI_STRUCT_INIT
-#define ACPI_STRUCT_INIT(field, value) value
-#endif
-
#endif /* __ACENV_H__ */
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index 97a7e21cfbe0001795490e40eef05945d455a03f..9c8f8b79644edd44ae5d78281f476d9a1d5fe428 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -84,4 +84,8 @@ typedef __builtin_va_list va_list;
#define COMPILER_VA_MACRO 1
+/* GCC supports native multiply/shift on 32-bit platforms */
+
+#define ACPI_USE_NATIVE_MATH64
+
#endif /* __ACGCC_H__ */
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 047f13865608e246bad8dea81f45a4826f05357d..1b473efd9eb6062f342be027403e9735c90b9d29 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -128,6 +128,7 @@
/* Host-dependent types and defines for in-kernel ACPICA */
#define ACPI_MACHINE_WIDTH BITS_PER_LONG
+#define ACPI_USE_NATIVE_MATH64
#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
#define strtoul simple_strtoul
@@ -178,6 +179,9 @@
#define ACPI_MSG_BIOS_ERROR KERN_ERR "ACPI BIOS Error (bug): "
#define ACPI_MSG_BIOS_WARNING KERN_WARNING "ACPI BIOS Warning (bug): "
+/*
+ * Linux wants to use designated initializers for function pointer structs.
+ */
#define ACPI_STRUCT_INIT(field, value) .field = value
#else /* !__KERNEL__ */
@@ -213,6 +217,7 @@
#define COMPILER_DEPENDENT_INT64 long long
#define COMPILER_DEPENDENT_UINT64 unsigned long long
#define ACPI_USE_NATIVE_DIVIDE
+#define ACPI_USE_NATIVE_MATH64
#endif
#ifndef __cdecl
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 27b4b66152637fe38b82711f0fa66d6ce946f7d7..35652fa872727f343f96eed13262682e9dce3665 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -228,8 +228,8 @@ struct acpi_subtable_proc {
int count;
};
-char * __acpi_map_table (unsigned long phys_addr, unsigned long size);
-void __acpi_unmap_table(char *map, unsigned long size);
+void __iomem *__acpi_map_table(unsigned long phys, unsigned long size);
+void __acpi_unmap_table(void __iomem *map, unsigned long size);
int early_acpi_boot_init(void);
int acpi_boot_init (void);
void acpi_boot_table_init (void);
@@ -427,6 +427,8 @@ void acpi_dev_free_resource_list(struct list_head *list);
int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list,
int (*preproc)(struct acpi_resource *, void *),
void *preproc_data);
+int acpi_dev_get_dma_resources(struct acpi_device *adev,
+ struct list_head *list);
int acpi_dev_filter_resource_type(struct acpi_resource *ares,
unsigned long types);
@@ -556,6 +558,25 @@ extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
#define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81
#define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
+enum acpi_predicate {
+ all_versions,
+ less_than_or_equal,
+ equal,
+ greater_than_or_equal,
+};
+
+/* Table must be terminted by a NULL entry */
+struct acpi_platform_list {
+ char oem_id[ACPI_OEM_ID_SIZE+1];
+ char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1];
+ u32 oem_revision;
+ char *table;
+ enum acpi_predicate pred;
+ char *reason;
+ u32 data;
+};
+int acpi_match_platform_list(const struct acpi_platform_list *plat);
+
extern void acpi_early_init(void);
extern void acpi_subsystem_init(void);
@@ -774,6 +795,12 @@ static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev)
return DEV_DMA_NOT_SUPPORTED;
}
+static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr,
+ u64 *offset, u64 *size)
+{
+ return -ENODEV;
+}
+
static inline int acpi_dma_configure(struct device *dev,
enum dev_dma_attr attr)
{
diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h
index 8379d406ad2e7c20493852739456434cd456c094..8d3f0bf80379a1ee3fcb84d56c8dffaea62b4811 100644
--- a/include/linux/acpi_iort.h
+++ b/include/linux/acpi_iort.h
@@ -36,7 +36,7 @@ struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id);
void acpi_configure_pmsi_domain(struct device *dev);
int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
/* IOMMU interface */
-void iort_set_dma_mask(struct device *dev);
+void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size);
const struct iommu_ops *iort_iommu_configure(struct device *dev);
#else
static inline void acpi_iort_init(void) { }
@@ -47,7 +47,8 @@ static inline struct irq_domain *iort_get_device_domain(struct device *dev,
{ return NULL; }
static inline void acpi_configure_pmsi_domain(struct device *dev) { }
/* IOMMU interface */
-static inline void iort_set_dma_mask(struct device *dev) { }
+static inline void iort_dma_setup(struct device *dev, u64 *dma_addr,
+ u64 *size) { }
static inline
const struct iommu_ops *iort_iommu_configure(struct device *dev)
{ return NULL; }
diff --git a/include/linux/platform_data/x86/apple.h b/include/linux/platform_data/x86/apple.h
new file mode 100644
index 0000000000000000000000000000000000000000..079e816c3c219eb19819fda04c729a91578a890e
--- /dev/null
+++ b/include/linux/platform_data/x86/apple.h
@@ -0,0 +1,13 @@
+#ifndef PLATFORM_DATA_X86_APPLE_H
+#define PLATFORM_DATA_X86_APPLE_H
+
+#ifdef CONFIG_X86
+/**
+ * x86_apple_machine - whether the machine is an x86 Apple Macintosh
+ */
+extern bool x86_apple_machine;
+#else
+#define x86_apple_machine false
+#endif
+
+#endif
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index 82a2ff896a9559e6a860ba034d5fde6786b04dae..52a39ecf5ca18d38183a577e9d6a014bc8cb30c5 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -759,7 +759,7 @@ static acpi_status osl_list_bios_tables(void)
/* Skip NULL entries in RSDT/XSDT */
- if (!table_address) {
+ if (table_address == 0) {
continue;
}
@@ -808,7 +808,8 @@ osl_get_bios_table(char *signature,
u8 number_of_tables;
u8 item_size;
u32 current_instance = 0;
- acpi_physical_address table_address = 0;
+ acpi_physical_address table_address;
+ acpi_physical_address first_table_address = 0;
u32 table_length = 0;
acpi_status status = AE_OK;
u32 i;
@@ -820,9 +821,10 @@ osl_get_bios_table(char *signature,
ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT) ||
ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT) ||
ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
- if (instance > 0) {
- return (AE_LIMIT);
- }
+
+find_next_instance:
+
+ table_address = 0;
/*
* Get the appropriate address, either 32-bit or 64-bit. Be very
@@ -830,41 +832,66 @@ osl_get_bios_table(char *signature,
* Note: The 64-bit addresses have priority.
*/
if (ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT)) {
- if ((gbl_fadt->header.length >= MIN_FADT_FOR_XDSDT) &&
- gbl_fadt->Xdsdt) {
- table_address =
- (acpi_physical_address)gbl_fadt->Xdsdt;
- } else
- if ((gbl_fadt->header.length >= MIN_FADT_FOR_DSDT)
- && gbl_fadt->dsdt) {
- table_address =
- (acpi_physical_address)gbl_fadt->dsdt;
+ if (current_instance < 2) {
+ if ((gbl_fadt->header.length >=
+ MIN_FADT_FOR_XDSDT) && gbl_fadt->Xdsdt
+ && current_instance == 0) {
+ table_address =
+ (acpi_physical_address)gbl_fadt->
+ Xdsdt;
+ } else
+ if ((gbl_fadt->header.length >=
+ MIN_FADT_FOR_DSDT)
+ && gbl_fadt->dsdt !=
+ first_table_address) {
+ table_address =
+ (acpi_physical_address)gbl_fadt->
+ dsdt;
+ }
}
} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
- if ((gbl_fadt->header.length >= MIN_FADT_FOR_XFACS) &&
- gbl_fadt->Xfacs) {
- table_address =
- (acpi_physical_address)gbl_fadt->Xfacs;
- } else
- if ((gbl_fadt->header.length >= MIN_FADT_FOR_FACS)
- && gbl_fadt->facs) {
- table_address =
- (acpi_physical_address)gbl_fadt->facs;
+ if (current_instance < 2) {
+ if ((gbl_fadt->header.length >=
+ MIN_FADT_FOR_XFACS) && gbl_fadt->Xfacs
+ && current_instance == 0) {
+ table_address =
+ (acpi_physical_address)gbl_fadt->
+ Xfacs;
+ } else
+ if ((gbl_fadt->header.length >=
+ MIN_FADT_FOR_FACS)
+ && gbl_fadt->facs !=
+ first_table_address) {
+ table_address =
+ (acpi_physical_address)gbl_fadt->
+ facs;
+ }
}
} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) {
if (!gbl_revision) {
return (AE_BAD_SIGNATURE);
}
- table_address =
- (acpi_physical_address)gbl_rsdp.
- xsdt_physical_address;
+ if (current_instance == 0) {
+ table_address =
+ (acpi_physical_address)gbl_rsdp.
+ xsdt_physical_address;
+ }
} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) {
- table_address =
- (acpi_physical_address)gbl_rsdp.
- rsdt_physical_address;
+ if (current_instance == 0) {
+ table_address =
+ (acpi_physical_address)gbl_rsdp.
+ rsdt_physical_address;
+ }
} else {
- table_address = (acpi_physical_address)gbl_rsdp_address;
- signature = ACPI_SIG_RSDP;
+ if (current_instance == 0) {
+ table_address =
+ (acpi_physical_address)gbl_rsdp_address;
+ signature = ACPI_SIG_RSDP;
+ }
+ }
+
+ if (table_address == 0) {
+ goto exit_find_table;
}
/* Now we can get the requested special table */
@@ -875,6 +902,18 @@ osl_get_bios_table(char *signature,
}
table_length = ap_get_table_length(mapped_table);
+ if (first_table_address == 0) {
+ first_table_address = table_address;
+ }
+
+ /* Match table instance */
+
+ if (current_instance != instance) {
+ osl_unmap_table(mapped_table);
+ mapped_table = NULL;
+ current_instance++;
+ goto find_next_instance;
+ }
} else { /* Case for a normal ACPI table */
if (osl_can_use_xsdt()) {
@@ -913,7 +952,7 @@ osl_get_bios_table(char *signature,
/* Skip NULL entries in RSDT/XSDT */
- if (!table_address) {
+ if (table_address == 0) {
continue;
}
@@ -946,6 +985,8 @@ osl_get_bios_table(char *signature,
}
}
+exit_find_table:
+
if (!mapped_table) {
return (AE_LIMIT);
}
diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c
index 31b5a7f7401555f369800a289652185a216a5a89..d686e11936c45fd318f6b8eeedb741d8177c5696 100644
--- a/tools/power/acpi/tools/acpidump/apfiles.c
+++ b/tools/power/acpi/tools/acpidump/apfiles.c
@@ -61,7 +61,7 @@ static int ap_is_existing_file(char *pathname);
static int ap_is_existing_file(char *pathname)
{
-#ifndef _GNU_EFI
+#if !defined(_GNU_EFI) && !defined(_EDK2_EFI)
struct stat stat_info;
if (!stat(pathname, &stat_info)) {
diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c
index dd82afa897bde211a41a6a42ce9cb40350f35d3c..943b6b6146834384128c63b47ca6317f5be8fec4 100644
--- a/tools/power/acpi/tools/acpidump/apmain.c
+++ b/tools/power/acpi/tools/acpidump/apmain.c
@@ -300,7 +300,7 @@ static int ap_do_options(int argc, char **argv)
*
******************************************************************************/
-#ifndef _GNU_EFI
+#if !defined(_GNU_EFI) && !defined(_EDK2_EFI)
int ACPI_SYSTEM_XFACE main(int argc, char *argv[])
#else
int ACPI_SYSTEM_XFACE acpi_main(int argc, char *argv[])