diff --git a/MAINTAINERS b/MAINTAINERS
index 9e47256fb067f18558211905f53e6a16edb7a400..7e40adbcbeedc59405ed8d497561e5f226cb9f6e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6850,6 +6850,7 @@ F: include/linux/fwnode.h
F: include/linux/kobj*
F: include/linux/property.h
F: lib/kobj*
+F: rust/kernel/device.rs
DRIVERS FOR OMAP ADAPTIVE VOLTAGE SCALING (AVS)
M: Nishanth Menon <nm@ti.com>
@@ -8716,10 +8717,12 @@ F: include/linux/arm_ffa.h
FIRMWARE LOADER (request_firmware)
M: Luis Chamberlain <mcgrof@kernel.org>
M: Russ Weight <russ.weight@linux.dev>
+M: Danilo Krummrich <dakr@redhat.com>
L: linux-kernel@vger.kernel.org
S: Maintained
F: Documentation/firmware_class/
F: drivers/base/firmware_loader/
+F: rust/kernel/firmware.rs
F: include/linux/firmware.h
FLEXTIMER FTM-QUADDEC DRIVER
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 6d0c9f7268bad238688a2c80dbc6f105f8663561..06b0e5fd54a6d622efa85b8a03d563a381830d9b 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -816,10 +816,10 @@ EXPORT_SYMBOL(locomo_frontlight_set);
* We model this as a regular bus type, and hang devices directly
* off this.
*/
-static int locomo_match(struct device *_dev, struct device_driver *_drv)
+static int locomo_match(struct device *_dev, const struct device_driver *_drv)
{
struct locomo_dev *dev = LOCOMO_DEV(_dev);
- struct locomo_driver *drv = LOCOMO_DRV(_drv);
+ const struct locomo_driver *drv = LOCOMO_DRV(_drv);
return dev->devid == drv->devid;
}
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 1fbd7363cf118144b5d92595dbeecd382ec9698e..550978dc3c50ea69082ad941aa6ef57a15f0eb32 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -1339,10 +1339,10 @@ EXPORT_SYMBOL_GPL(sa1111_get_irq);
* We model this as a regular bus type, and hang devices directly
* off this.
*/
-static int sa1111_match(struct device *_dev, struct device_driver *_drv)
+static int sa1111_match(struct device *_dev, const struct device_driver *_drv)
{
struct sa1111_dev *dev = to_sa1111_device(_dev);
- struct sa1111_driver *drv = SA1111_DRV(_drv);
+ const struct sa1111_driver *drv = SA1111_DRV(_drv);
return !!(dev->devid & drv->devid);
}
diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h
index 9fd9ad5d9202070ad6760d1aeb633cca4835734d..3190e1e5067ab0a660c34256e14144fb0d0d4a91 100644
--- a/arch/arm/include/asm/hardware/locomo.h
+++ b/arch/arm/include/asm/hardware/locomo.h
@@ -189,7 +189,7 @@ struct locomo_driver {
void (*remove)(struct locomo_dev *);
};
-#define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv)
+#define LOCOMO_DRV(_d) container_of_const((_d), struct locomo_driver, drv)
#define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index d8c6f8a99dfa157f0a479d6e9acdfc9d11841cac..a815f39b4243904787ab180e87f7418db70d56dc 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -404,7 +404,7 @@ struct sa1111_driver {
void (*remove)(struct sa1111_dev *);
};
-#define SA1111_DRV(_d) container_of((_d), struct sa1111_driver, drv)
+#define SA1111_DRV(_d) container_of_const((_d), struct sa1111_driver, drv)
#define SA1111_DRIVER_NAME(_sadev) ((_sadev)->dev.driver->name)
diff --git a/arch/parisc/include/asm/parisc-device.h b/arch/parisc/include/asm/parisc-device.h
index 7ddd7f4333670ada397dc2e2ebcb3326731ad294..9e74cef4d774c0b74733fefab62c6259e020c0b1 100644
--- a/arch/parisc/include/asm/parisc-device.h
+++ b/arch/parisc/include/asm/parisc-device.h
@@ -41,7 +41,7 @@ struct parisc_driver {
#define to_parisc_device(d) container_of(d, struct parisc_device, dev)
-#define to_parisc_driver(d) container_of(d, struct parisc_driver, drv)
+#define to_parisc_driver(d) container_of_const(d, struct parisc_driver, drv)
#define parisc_parent(d) to_parisc_device(d->dev.parent)
static inline const char *parisc_pathname(struct parisc_device *d)
diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c
index ac19d685e4a5a0b3f065e07190a129d280bc751e..1e793f770f719dd2a980968ccfd65cd241891cfe 100644
--- a/arch/parisc/kernel/drivers.c
+++ b/arch/parisc/kernel/drivers.c
@@ -97,7 +97,7 @@ static int for_each_padev(int (*fn)(struct device *, void *), void * data)
* @driver: the PA-RISC driver to try
* @dev: the PA-RISC device to try
*/
-static int match_device(struct parisc_driver *driver, struct parisc_device *dev)
+static int match_device(const struct parisc_driver *driver, struct parisc_device *dev)
{
const struct parisc_device_id *ids;
@@ -548,7 +548,7 @@ alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path)
return dev;
}
-static int parisc_generic_match(struct device *dev, struct device_driver *drv)
+static int parisc_generic_match(struct device *dev, const struct device_driver *drv)
{
return match_device(to_parisc_driver(drv), to_parisc_device(dev));
}
diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h
index d13d8fdc3411495ba42ab75b5411ed45ed22585d..987e23a2bd28db52a60f0d6b9af193f6731fd61b 100644
--- a/arch/powerpc/include/asm/ps3.h
+++ b/arch/powerpc/include/asm/ps3.h
@@ -390,11 +390,7 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev);
int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv);
void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv);
-static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv(
- struct device_driver *_drv)
-{
- return container_of(_drv, struct ps3_system_bus_driver, core);
-}
+#define ps3_drv_to_system_bus_drv(_drv) container_of_const(_drv, struct ps3_system_bus_driver, core)
static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev(
const struct device *_dev)
{
diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h
index 6faf2a9317552eeed67b5f942bc0a363a58db9a9..7c444150c5ad3ece0c2d2379bcc4380b85d61ed0 100644
--- a/arch/powerpc/include/asm/vio.h
+++ b/arch/powerpc/include/asm/vio.h
@@ -156,11 +156,7 @@ static inline int vio_enable_interrupts(struct vio_dev *dev)
}
#endif
-static inline struct vio_driver *to_vio_driver(struct device_driver *drv)
-{
- return container_of(drv, struct vio_driver, driver);
-}
-
+#define to_vio_driver(__drv) container_of_const(__drv, struct vio_driver, driver)
#define to_vio_dev(__dev) container_of_const(__dev, struct vio_dev, dev)
#endif /* __KERNEL__ */
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 56dc6b29a3e7699a2695dfc23f0d07b50e6205a8..b9a7d9bae687e84920cb1dbde72404aa079394e1 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -333,10 +333,10 @@ int ps3_mmio_region_init(struct ps3_system_bus_device *dev,
EXPORT_SYMBOL_GPL(ps3_mmio_region_init);
static int ps3_system_bus_match(struct device *_dev,
- struct device_driver *_drv)
+ const struct device_driver *_drv)
{
int result;
- struct ps3_system_bus_driver *drv = ps3_drv_to_system_bus_drv(_drv);
+ const struct ps3_system_bus_driver *drv = ps3_drv_to_system_bus_drv(_drv);
struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
if (!dev->match_sub_id)
diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c
index b401282727a445aff0e0593182f855bfe6e09e91..3436b0af795e24f36db5d3337b666d9d9161fa76 100644
--- a/arch/powerpc/platforms/pseries/ibmebus.c
+++ b/arch/powerpc/platforms/pseries/ibmebus.c
@@ -339,7 +339,7 @@ static struct attribute *ibmbus_bus_attrs[] = {
};
ATTRIBUTE_GROUPS(ibmbus_bus);
-static int ibmebus_bus_bus_match(struct device *dev, struct device_driver *drv)
+static int ibmebus_bus_bus_match(struct device *dev, const struct device_driver *drv)
{
const struct of_device_id *matches = drv->of_match_table;
diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
index 36d1c7d4156b853ed9a9cbe62e40dc1ae3225717..ac1d2d2c9a88abda0b3e1e251a3f3027cc14aca3 100644
--- a/arch/powerpc/platforms/pseries/vio.c
+++ b/arch/powerpc/platforms/pseries/vio.c
@@ -1576,10 +1576,10 @@ void vio_unregister_device(struct vio_dev *viodev)
}
EXPORT_SYMBOL(vio_unregister_device);
-static int vio_bus_match(struct device *dev, struct device_driver *drv)
+static int vio_bus_match(struct device *dev, const struct device_driver *drv)
{
const struct vio_dev *vio_dev = to_vio_dev(dev);
- struct vio_driver *vio_drv = to_vio_driver(drv);
+ const struct vio_driver *vio_drv = to_vio_driver(drv);
const struct vio_device_id *ids = vio_drv->id_table;
return (ids != NULL) && (vio_match_device(ids, vio_dev) != NULL);
@@ -1689,7 +1689,7 @@ struct vio_dev *vio_find_node(struct device_node *vnode)
/* construct the kobject name from the device node */
if (of_node_is_type(vnode_parent, "vdevice")) {
const __be32 *prop;
-
+
prop = of_get_property(vnode, "reg", NULL);
if (!prop)
goto out;
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index 436365ff6c19b6ebad01d0de70b846a720e9aa74..e3afcece375ecb9ae84323a05bbe0af62a3297cf 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -210,7 +210,7 @@ extern void ccw_device_get_id(struct ccw_device *, struct ccw_dev_id *);
#define get_ccwdev_lock(x) (x)->ccwlock
#define to_ccwdev(n) container_of(n, struct ccw_device, dev)
-#define to_ccwdrv(n) container_of(n, struct ccw_driver, driver)
+#define to_ccwdrv(n) container_of_const(n, struct ccw_driver, driver)
extern struct ccw_device *ccw_device_create_console(struct ccw_driver *);
extern void ccw_device_destroy_console(struct ccw_device *);
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index 587fb78410966762a5c401833841a6d94fa3c125..0ca8c34631665534839d1dab191ad2baff708aca 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -483,11 +483,7 @@ int __vio_register_driver(struct vio_driver *drv, struct module *owner,
__vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
void vio_unregister_driver(struct vio_driver *drv);
-static inline struct vio_driver *to_vio_driver(struct device_driver *drv)
-{
- return container_of(drv, struct vio_driver, driver);
-}
-
+#define to_vio_driver(__drv) container_of_const(__drv, struct vio_driver, driver)
#define to_vio_dev(__dev) container_of_const(__dev, struct vio_dev, dev)
int vio_ldc_send(struct vio_driver_state *vio, void *data, int len);
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 846a55f942d4e755b0df2ba6898e1e05024ff2bd..07933d75ac815160a2580dce39fde7653a9502e1 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -54,10 +54,10 @@ static int vio_hotplug(const struct device *dev, struct kobj_uevent_env *env)
return 0;
}
-static int vio_bus_match(struct device *dev, struct device_driver *drv)
+static int vio_bus_match(struct device *dev, const struct device_driver *drv)
{
struct vio_dev *vio_dev = to_vio_dev(dev);
- struct vio_driver *vio_drv = to_vio_driver(drv);
+ const struct vio_driver *vio_drv = to_vio_driver(drv);
const struct vio_device_id *matches = vio_drv->id_table;
if (!matches)
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index bdbd60ae889797093549551c14673974d4a1b4aa..284bc2e035804fd7f235521d6671c36c1fa4b70a 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1047,10 +1047,10 @@ EXPORT_SYMBOL(acpi_bus_unregister_driver);
ACPI Bus operations
-------------------------------------------------------------------------- */
-static int acpi_bus_match(struct device *dev, struct device_driver *drv)
+static int acpi_bus_match(struct device *dev, const struct device_driver *drv)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
- struct acpi_driver *acpi_drv = to_acpi_driver(drv);
+ const struct acpi_driver *acpi_drv = to_acpi_driver(drv);
return acpi_dev->flags.match_driver
&& !acpi_match_device_ids(acpi_dev, acpi_drv->ids);
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index aba3aa95b224b8d305d4ab0a772c7b1188de3d81..34bc880ca20bd2507566bf372119aec28fb0318b 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -26,7 +26,7 @@
#include <linux/iommu.h>
#include <linux/dma-map-ops.h>
-#define to_amba_driver(d) container_of(d, struct amba_driver, drv)
+#define to_amba_driver(d) container_of_const(d, struct amba_driver, drv)
/* called on periphid match and class 0x9 coresight device. */
static int
@@ -205,10 +205,10 @@ static int amba_read_periphid(struct amba_device *dev)
return ret;
}
-static int amba_match(struct device *dev, struct device_driver *drv)
+static int amba_match(struct device *dev, const struct device_driver *drv)
{
struct amba_device *pcdev = to_amba_device(dev);
- struct amba_driver *pcdrv = to_amba_driver(drv);
+ const struct amba_driver *pcdrv = to_amba_driver(drv);
mutex_lock(&pcdev->periphid_lock);
if (!pcdev->periphid) {
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index c66d070207a0e5b3e146b26f546d907cbfa325ac..75fcb75d551557efac69717b43046bf271a4dec4 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -8,6 +8,7 @@
#include <linux/acpi.h>
#include <linux/cacheinfo.h>
+#include <linux/cleanup.h>
#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/device.h>
@@ -513,10 +514,10 @@ core_initcall(free_raw_capacity);
*/
static int __init get_cpu_for_node(struct device_node *node)
{
- struct device_node *cpu_node;
int cpu;
+ struct device_node *cpu_node __free(device_node) =
+ of_parse_phandle(node, "cpu", 0);
- cpu_node = of_parse_phandle(node, "cpu", 0);
if (!cpu_node)
return -1;
@@ -527,7 +528,6 @@ static int __init get_cpu_for_node(struct device_node *node)
pr_info("CPU node for %pOF exist but the possible cpu range is :%*pbl\n",
cpu_node, cpumask_pr_args(cpu_possible_mask));
- of_node_put(cpu_node);
return cpu;
}
@@ -538,28 +538,28 @@ static int __init parse_core(struct device_node *core, int package_id,
bool leaf = true;
int i = 0;
int cpu;
- struct device_node *t;
do {
snprintf(name, sizeof(name), "thread%d", i);
- t = of_get_child_by_name(core, name);
- if (t) {
- leaf = false;
- cpu = get_cpu_for_node(t);
- if (cpu >= 0) {
- cpu_topology[cpu].package_id = package_id;
- cpu_topology[cpu].cluster_id = cluster_id;
- cpu_topology[cpu].core_id = core_id;
- cpu_topology[cpu].thread_id = i;
- } else if (cpu != -ENODEV) {
- pr_err("%pOF: Can't get CPU for thread\n", t);
- of_node_put(t);
- return -EINVAL;
- }
- of_node_put(t);
+ struct device_node *t __free(device_node) =
+ of_get_child_by_name(core, name);
+
+ if (!t)
+ break;
+
+ leaf = false;
+ cpu = get_cpu_for_node(t);
+ if (cpu >= 0) {
+ cpu_topology[cpu].package_id = package_id;
+ cpu_topology[cpu].cluster_id = cluster_id;
+ cpu_topology[cpu].core_id = core_id;
+ cpu_topology[cpu].thread_id = i;
+ } else if (cpu != -ENODEV) {
+ pr_err("%pOF: Can't get CPU for thread\n", t);
+ return -EINVAL;
}
i++;
- } while (t);
+ } while (1);
cpu = get_cpu_for_node(core);
if (cpu >= 0) {
@@ -586,7 +586,6 @@ static int __init parse_cluster(struct device_node *cluster, int package_id,
char name[20];
bool leaf = true;
bool has_cores = false;
- struct device_node *c;
int core_id = 0;
int i, ret;
@@ -598,49 +597,50 @@ static int __init parse_cluster(struct device_node *cluster, int package_id,
i = 0;
do {
snprintf(name, sizeof(name), "cluster%d", i);
- c = of_get_child_by_name(cluster, name);
- if (c) {
- leaf = false;
- ret = parse_cluster(c, package_id, i, depth + 1);
- if (depth > 0)
- pr_warn("Topology for clusters of clusters not yet supported\n");
- of_node_put(c);
- if (ret != 0)
- return ret;
- }
+ struct device_node *c __free(device_node) =
+ of_get_child_by_name(cluster, name);
+
+ if (!c)
+ break;
+
+ leaf = false;
+ ret = parse_cluster(c, package_id, i, depth + 1);
+ if (depth > 0)
+ pr_warn("Topology for clusters of clusters not yet supported\n");
+ if (ret != 0)
+ return ret;
i++;
- } while (c);
+ } while (1);
/* Now check for cores */
i = 0;
do {
snprintf(name, sizeof(name), "core%d", i);
- c = of_get_child_by_name(cluster, name);
- if (c) {
- has_cores = true;
-
- if (depth == 0) {
- pr_err("%pOF: cpu-map children should be clusters\n",
- c);
- of_node_put(c);
- return -EINVAL;
- }
+ struct device_node *c __free(device_node) =
+ of_get_child_by_name(cluster, name);
- if (leaf) {
- ret = parse_core(c, package_id, cluster_id,
- core_id++);
- } else {
- pr_err("%pOF: Non-leaf cluster with core %s\n",
- cluster, name);
- ret = -EINVAL;
- }
+ if (!c)
+ break;
+
+ has_cores = true;
- of_node_put(c);
+ if (depth == 0) {
+ pr_err("%pOF: cpu-map children should be clusters\n", c);
+ return -EINVAL;
+ }
+
+ if (leaf) {
+ ret = parse_core(c, package_id, cluster_id, core_id++);
if (ret != 0)
return ret;
+ } else {
+ pr_err("%pOF: Non-leaf cluster with core %s\n",
+ cluster, name);
+ return -EINVAL;
}
+
i++;
- } while (c);
+ } while (1);
if (leaf && !has_cores)
pr_warn("%pOF: empty cluster\n", cluster);
@@ -651,22 +651,24 @@ static int __init parse_cluster(struct device_node *cluster, int package_id,
static int __init parse_socket(struct device_node *socket)
{
char name[20];
- struct device_node *c;
bool has_socket = false;
int package_id = 0, ret;
do {
snprintf(name, sizeof(name), "socket%d", package_id);
- c = of_get_child_by_name(socket, name);
- if (c) {
- has_socket = true;
- ret = parse_cluster(c, package_id, -1, 0);
- of_node_put(c);
- if (ret != 0)
- return ret;
- }
+ struct device_node *c __free(device_node) =
+ of_get_child_by_name(socket, name);
+
+ if (!c)
+ break;
+
+ has_socket = true;
+ ret = parse_cluster(c, package_id, -1, 0);
+ if (ret != 0)
+ return ret;
+
package_id++;
- } while (c);
+ } while (1);
if (!has_socket)
ret = parse_cluster(socket, 0, -1, 0);
@@ -676,11 +678,11 @@ static int __init parse_socket(struct device_node *socket)
static int __init parse_dt_topology(void)
{
- struct device_node *cn, *map;
int ret = 0;
int cpu;
+ struct device_node *cn __free(device_node) =
+ of_find_node_by_path("/cpus");
- cn = of_find_node_by_path("/cpus");
if (!cn) {
pr_err("No CPU information found in DT\n");
return 0;
@@ -690,13 +692,15 @@ static int __init parse_dt_topology(void)
* When topology is provided cpu-map is essentially a root
* cluster with restricted subnodes.
*/
- map = of_get_child_by_name(cn, "cpu-map");
+ struct device_node *map __free(device_node) =
+ of_get_child_by_name(cn, "cpu-map");
+
if (!map)
- goto out;
+ return ret;
ret = parse_socket(map);
if (ret != 0)
- goto out_map;
+ return ret;
topology_normalize_cpu_scale();
@@ -706,14 +710,9 @@ static int __init parse_dt_topology(void)
*/
for_each_possible_cpu(cpu)
if (cpu_topology[cpu].package_id < 0) {
- ret = -EINVAL;
- break;
+ return -EINVAL;
}
-out_map:
- of_node_put(map);
-out:
- of_node_put(cn);
return ret;
}
#endif
diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c
index 3f01f4ec69e588e252d9d0591ffe96fe0a18d252..54b92839e05cedd72b7eea6e91783b30caebf18d 100644
--- a/drivers/base/auxiliary.c
+++ b/drivers/base/auxiliary.c
@@ -177,10 +177,10 @@ static const struct auxiliary_device_id *auxiliary_match_id(const struct auxilia
return NULL;
}
-static int auxiliary_match(struct device *dev, struct device_driver *drv)
+static int auxiliary_match(struct device *dev, const struct device_driver *drv)
{
struct auxiliary_device *auxdev = to_auxiliary_dev(dev);
- struct auxiliary_driver *auxdrv = to_auxiliary_drv(drv);
+ const struct auxiliary_driver *auxdrv = to_auxiliary_drv(drv);
return !!auxiliary_match_id(auxdrv->id_table, auxdev);
}
@@ -203,7 +203,7 @@ static const struct dev_pm_ops auxiliary_dev_pm_ops = {
static int auxiliary_bus_probe(struct device *dev)
{
- struct auxiliary_driver *auxdrv = to_auxiliary_drv(dev->driver);
+ const struct auxiliary_driver *auxdrv = to_auxiliary_drv(dev->driver);
struct auxiliary_device *auxdev = to_auxiliary_dev(dev);
int ret;
@@ -222,7 +222,7 @@ static int auxiliary_bus_probe(struct device *dev)
static void auxiliary_bus_remove(struct device *dev)
{
- struct auxiliary_driver *auxdrv = to_auxiliary_drv(dev->driver);
+ const struct auxiliary_driver *auxdrv = to_auxiliary_drv(dev->driver);
struct auxiliary_device *auxdev = to_auxiliary_dev(dev);
if (auxdrv->remove)
@@ -232,7 +232,7 @@ static void auxiliary_bus_remove(struct device *dev)
static void auxiliary_bus_shutdown(struct device *dev)
{
- struct auxiliary_driver *auxdrv = NULL;
+ const struct auxiliary_driver *auxdrv = NULL;
struct auxiliary_device *auxdev;
if (dev->driver) {
diff --git a/drivers/base/base.h b/drivers/base/base.h
index db4f910e8e36e990dd8a0783ed8f13104cdde270..0b53593372d79d5db96de8136024c21e566f2ad0 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -112,7 +112,7 @@ struct device_private {
struct klist_node knode_bus;
struct klist_node knode_class;
struct list_head deferred_probe;
- struct device_driver *async_driver;
+ const struct device_driver *async_driver;
char *deferred_probe_reason;
struct device *device;
u8 dead:1;
@@ -155,13 +155,13 @@ bool bus_is_registered(const struct bus_type *bus);
int bus_add_driver(struct device_driver *drv);
void bus_remove_driver(struct device_driver *drv);
-void device_release_driver_internal(struct device *dev, struct device_driver *drv,
+void device_release_driver_internal(struct device *dev, const struct device_driver *drv,
struct device *parent);
-void driver_detach(struct device_driver *drv);
+void driver_detach(const struct device_driver *drv);
void driver_deferred_probe_del(struct device *dev);
void device_set_deferred_probe_reason(const struct device *dev, struct va_format *vaf);
-static inline int driver_match_device(struct device_driver *drv,
+static inline int driver_match_device(const struct device_driver *drv,
struct device *dev)
{
return drv->bus->match ? drv->bus->match(dev, drv) : 1;
@@ -175,8 +175,8 @@ static inline void dev_sync_state(struct device *dev)
dev->driver->sync_state(dev);
}
-int driver_add_groups(struct device_driver *drv, const struct attribute_group **groups);
-void driver_remove_groups(struct device_driver *drv, const struct attribute_group **groups);
+int driver_add_groups(const struct device_driver *drv, const struct attribute_group **groups);
+void driver_remove_groups(const struct device_driver *drv, const struct attribute_group **groups);
void device_driver_detach(struct device *dev);
int devres_release_all(struct device *dev);
@@ -192,8 +192,8 @@ extern struct kset *devices_kset;
void devices_kset_move_last(struct device *dev);
#if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS)
-int module_add_driver(struct module *mod, struct device_driver *drv);
-void module_remove_driver(struct device_driver *drv);
+int module_add_driver(struct module *mod, const struct device_driver *drv);
+void module_remove_driver(const struct device_driver *drv);
#else
static inline int module_add_driver(struct module *mod,
struct device_driver *drv)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 2b4c0624b7043af9eea7d59153a3c1e657b19e1e..730cae66607c02530d456b61344d431dc313c031 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -5021,11 +5021,22 @@ int dev_err_probe(const struct device *dev, int err, const char *fmt, ...)
vaf.fmt = fmt;
vaf.va = &args;
- if (err != -EPROBE_DEFER) {
- dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
- } else {
+ switch (err) {
+ case -EPROBE_DEFER:
device_set_deferred_probe_reason(dev, &vaf);
dev_dbg(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
+ break;
+
+ case -ENOMEM:
+ /*
+ * We don't print anything on -ENOMEM, there is already enough
+ * output.
+ */
+ break;
+
+ default:
+ dev_err(dev, "error %pe: %pV", ERR_PTR(err), &vaf);
+ break;
}
va_end(args);
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index b57326fd48d4dba82005476fde01c500c6602179..fdaa24bb641a00ebd0b526db3af7d2eff44d04c9 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -26,7 +26,7 @@
static DEFINE_PER_CPU(struct device *, cpu_sys_devices);
-static int cpu_subsys_match(struct device *dev, struct device_driver *drv)
+static int cpu_subsys_match(struct device *dev, const struct device_driver *drv)
{
/* ACPI style match is the only one that may succeed. */
if (acpi_driver_match_device(dev, drv))
@@ -316,7 +316,7 @@ static ssize_t crash_hotplug_show(struct device *dev,
{
return sysfs_emit(buf, "%d\n", crash_check_hotplug_support());
}
-static DEVICE_ATTR_ADMIN_RO(crash_hotplug);
+static DEVICE_ATTR_RO(crash_hotplug);
#endif
static void cpu_device_release(struct device *dev)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 83d352394fdf48756180cdf1bb25cf1db9bc5113..9b745ba54de10702489853695654e2ce970808c7 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -568,7 +568,7 @@ static void device_remove(struct device *dev)
dev->driver->remove(dev);
}
-static int call_driver_probe(struct device *dev, struct device_driver *drv)
+static int call_driver_probe(struct device *dev, const struct device_driver *drv)
{
int ret = 0;
@@ -599,7 +599,7 @@ static int call_driver_probe(struct device *dev, struct device_driver *drv)
return ret;
}
-static int really_probe(struct device *dev, struct device_driver *drv)
+static int really_probe(struct device *dev, const struct device_driver *drv)
{
bool test_remove = IS_ENABLED(CONFIG_DEBUG_TEST_DRIVER_REMOVE) &&
!drv->suppress_bind_attrs;
@@ -628,7 +628,8 @@ static int really_probe(struct device *dev, struct device_driver *drv)
}
re_probe:
- dev->driver = drv;
+ // FIXME - this cast should not be needed "soon"
+ dev->driver = (struct device_driver *)drv;
/* If using pinctrl, bind pins now before probing */
ret = pinctrl_bind_pins(dev);
@@ -727,7 +728,7 @@ static int really_probe(struct device *dev, struct device_driver *drv)
/*
* For initcall_debug, show the driver probe time.
*/
-static int really_probe_debug(struct device *dev, struct device_driver *drv)
+static int really_probe_debug(struct device *dev, const struct device_driver *drv)
{
ktime_t calltime, rettime;
int ret;
@@ -774,7 +775,7 @@ void wait_for_device_probe(void)
}
EXPORT_SYMBOL_GPL(wait_for_device_probe);
-static int __driver_probe_device(struct device_driver *drv, struct device *dev)
+static int __driver_probe_device(const struct device_driver *drv, struct device *dev)
{
int ret = 0;
@@ -819,7 +820,7 @@ static int __driver_probe_device(struct device_driver *drv, struct device *dev)
*
* If the device has a parent, runtime-resume the parent before driver probing.
*/
-static int driver_probe_device(struct device_driver *drv, struct device *dev)
+static int driver_probe_device(const struct device_driver *drv, struct device *dev)
{
int trigger_count = atomic_read(&deferred_trigger_count);
int ret;
@@ -863,7 +864,7 @@ static int __init save_async_options(char *buf)
}
__setup("driver_async_probe=", save_async_options);
-static bool driver_allows_async_probing(struct device_driver *drv)
+static bool driver_allows_async_probing(const struct device_driver *drv)
{
switch (drv->probe_type) {
case PROBE_PREFER_ASYNCHRONOUS:
@@ -1117,7 +1118,7 @@ static void __device_driver_unlock(struct device *dev, struct device *parent)
* Manually attach driver to a device. Will acquire both @dev lock and
* @dev->parent lock if needed. Returns 0 on success, -ERR on failure.
*/
-int device_driver_attach(struct device_driver *drv, struct device *dev)
+int device_driver_attach(const struct device_driver *drv, struct device *dev)
{
int ret;
@@ -1137,7 +1138,7 @@ EXPORT_SYMBOL_GPL(device_driver_attach);
static void __driver_attach_async_helper(void *_dev, async_cookie_t cookie)
{
struct device *dev = _dev;
- struct device_driver *drv;
+ const struct device_driver *drv;
int ret;
__device_driver_lock(dev, dev->parent);
@@ -1153,7 +1154,7 @@ static void __driver_attach_async_helper(void *_dev, async_cookie_t cookie)
static int __driver_attach(struct device *dev, void *data)
{
- struct device_driver *drv = data;
+ const struct device_driver *drv = data;
bool async = false;
int ret;
@@ -1226,9 +1227,10 @@ static int __driver_attach(struct device *dev, void *data)
* returns 0 and the @dev->driver is set, we've found a
* compatible pair.
*/
-int driver_attach(struct device_driver *drv)
+int driver_attach(const struct device_driver *drv)
{
- return bus_for_each_dev(drv->bus, NULL, drv, __driver_attach);
+ /* The (void *) will be put back to const * in __driver_attach() */
+ return bus_for_each_dev(drv->bus, NULL, (void *)drv, __driver_attach);
}
EXPORT_SYMBOL_GPL(driver_attach);
@@ -1284,7 +1286,7 @@ static void __device_release_driver(struct device *dev, struct device *parent)
}
void device_release_driver_internal(struct device *dev,
- struct device_driver *drv,
+ const struct device_driver *drv,
struct device *parent)
{
__device_driver_lock(dev, parent);
@@ -1333,7 +1335,7 @@ void device_driver_detach(struct device *dev)
* driver_detach - detach driver from all devices it controls.
* @drv: driver.
*/
-void driver_detach(struct device_driver *drv)
+void driver_detach(const struct device_driver *drv)
{
struct device_private *dev_prv;
struct device *dev;
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 3df0025d12aa488dd772b1f87638f70a1aba6086..a2ce0ead06a6de3d30e51900e0170f5689aa8020 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -85,7 +85,7 @@ static void group_close_release(struct device *dev, void *res)
/* noop */
}
-static struct devres_group * node_to_group(struct devres_node *node)
+static struct devres_group *node_to_group(struct devres_node *node)
{
if (node->release == &group_open_release)
return container_of(node, struct devres_group, node[0]);
@@ -107,8 +107,8 @@ static bool check_dr_size(size_t size, size_t *tot_size)
return true;
}
-static __always_inline struct devres * alloc_dr(dr_release_t release,
- size_t size, gfp_t gfp, int nid)
+static __always_inline struct devres *alloc_dr(dr_release_t release,
+ size_t size, gfp_t gfp, int nid)
{
size_t tot_size;
struct devres *dr;
@@ -283,8 +283,8 @@ static struct devres *find_dr(struct device *dev, dr_release_t release,
* RETURNS:
* Pointer to found devres, NULL if not found.
*/
-void * devres_find(struct device *dev, dr_release_t release,
- dr_match_t match, void *match_data)
+void *devres_find(struct device *dev, dr_release_t release,
+ dr_match_t match, void *match_data)
{
struct devres *dr;
unsigned long flags;
@@ -313,8 +313,8 @@ EXPORT_SYMBOL_GPL(devres_find);
* RETURNS:
* Pointer to found or added devres.
*/
-void * devres_get(struct device *dev, void *new_res,
- dr_match_t match, void *match_data)
+void *devres_get(struct device *dev, void *new_res,
+ dr_match_t match, void *match_data)
{
struct devres *new_dr = container_of(new_res, struct devres, data);
struct devres *dr;
@@ -349,8 +349,8 @@ EXPORT_SYMBOL_GPL(devres_get);
* RETURNS:
* Pointer to removed devres on success, NULL if not found.
*/
-void * devres_remove(struct device *dev, dr_release_t release,
- dr_match_t match, void *match_data)
+void *devres_remove(struct device *dev, dr_release_t release,
+ dr_match_t match, void *match_data)
{
struct devres *dr;
unsigned long flags;
@@ -549,7 +549,7 @@ int devres_release_all(struct device *dev)
* RETURNS:
* ID of the new group, NULL on failure.
*/
-void * devres_open_group(struct device *dev, void *id, gfp_t gfp)
+void *devres_open_group(struct device *dev, void *id, gfp_t gfp)
{
struct devres_group *grp;
unsigned long flags;
@@ -567,6 +567,7 @@ void * devres_open_group(struct device *dev, void *id, gfp_t gfp)
grp->id = grp;
if (id)
grp->id = id;
+ grp->color = 0;
spin_lock_irqsave(&dev->devres_lock, flags);
add_dr(dev, &grp->node[0]);
@@ -576,7 +577,7 @@ void * devres_open_group(struct device *dev, void *id, gfp_t gfp)
EXPORT_SYMBOL_GPL(devres_open_group);
/* Find devres group with ID @id. If @id is NULL, look for the latest. */
-static struct devres_group * find_group(struct device *dev, void *id)
+static struct devres_group *find_group(struct device *dev, void *id)
{
struct devres_node *node;
@@ -896,9 +897,12 @@ void *devm_krealloc(struct device *dev, void *ptr, size_t new_size, gfp_t gfp)
/*
* Otherwise: allocate new, larger chunk. We need to allocate before
* taking the lock as most probably the caller uses GFP_KERNEL.
+ * alloc_dr() will call check_dr_size() to reserve extra memory
+ * for struct devres automatically, so size @new_size user request
+ * is delivered to it directly as devm_kmalloc() does.
*/
new_dr = alloc_dr(devm_kmalloc_release,
- total_new_size, gfp, dev_to_node(dev));
+ new_size, gfp, dev_to_node(dev));
if (!new_dr)
return NULL;
@@ -1222,7 +1226,11 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu);
*/
void devm_free_percpu(struct device *dev, void __percpu *pdata)
{
- WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match,
+ /*
+ * Use devres_release() to prevent memory leakage as
+ * devm_free_pages() does.
+ */
+ WARN_ON(devres_release(dev, devm_percpu_release, devm_percpu_match,
(__force void *)pdata));
}
EXPORT_SYMBOL_GPL(devm_free_percpu);
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index c8436c26ed6ab3012218020bf7528a0b1604860a..88c6fd1f1992f5b6bc1c3e207b6fb44391d4ab66 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -148,7 +148,7 @@ EXPORT_SYMBOL_GPL(driver_for_each_device);
* if it does. If the callback returns non-zero, this function will
* return to the caller and not iterate over any more devices.
*/
-struct device *driver_find_device(struct device_driver *drv,
+struct device *driver_find_device(const struct device_driver *drv,
struct device *start, const void *data,
int (*match)(struct device *dev, const void *data))
{
@@ -173,7 +173,7 @@ EXPORT_SYMBOL_GPL(driver_find_device);
* @drv: driver.
* @attr: driver attribute descriptor.
*/
-int driver_create_file(struct device_driver *drv,
+int driver_create_file(const struct device_driver *drv,
const struct driver_attribute *attr)
{
int error;
@@ -191,7 +191,7 @@ EXPORT_SYMBOL_GPL(driver_create_file);
* @drv: driver.
* @attr: driver attribute descriptor.
*/
-void driver_remove_file(struct device_driver *drv,
+void driver_remove_file(const struct device_driver *drv,
const struct driver_attribute *attr)
{
if (drv)
@@ -199,13 +199,13 @@ void driver_remove_file(struct device_driver *drv,
}
EXPORT_SYMBOL_GPL(driver_remove_file);
-int driver_add_groups(struct device_driver *drv,
+int driver_add_groups(const struct device_driver *drv,
const struct attribute_group **groups)
{
return sysfs_create_groups(&drv->p->kobj, groups);
}
-void driver_remove_groups(struct device_driver *drv,
+void driver_remove_groups(const struct device_driver *drv,
const struct attribute_group **groups)
{
sysfs_remove_groups(&drv->p->kobj, groups);
diff --git a/drivers/base/firmware_loader/Kconfig b/drivers/base/firmware_loader/Kconfig
index 5ca00e02fe82c5c24aacbc68cf0b0f55fd568d12..a0370167426514222cd870865cf57c938333512a 100644
--- a/drivers/base/firmware_loader/Kconfig
+++ b/drivers/base/firmware_loader/Kconfig
@@ -37,6 +37,13 @@ config FW_LOADER_DEBUG
SHA256 checksums to the kernel log for each firmware file that is
loaded.
+config RUST_FW_LOADER_ABSTRACTIONS
+ bool "Rust Firmware Loader abstractions"
+ depends on RUST
+ depends on FW_LOADER=y
+ help
+ This enables the Rust abstractions for the firmware loader API.
+
if FW_LOADER
config FW_LOADER_PAGED_BUF
diff --git a/drivers/base/isa.c b/drivers/base/isa.c
index e23d0b49a7934507850c5df37608559adee491a4..bfd9215c9070b4e9b15d61db8b5c88ed1f13a19e 100644
--- a/drivers/base/isa.c
+++ b/drivers/base/isa.c
@@ -23,7 +23,7 @@ struct isa_dev {
#define to_isa_dev(x) container_of((x), struct isa_dev, dev)
-static int isa_bus_match(struct device *dev, struct device_driver *driver)
+static int isa_bus_match(struct device *dev, const struct device_driver *driver)
{
struct isa_driver *isa_driver = to_isa_driver(driver);
diff --git a/drivers/base/module.c b/drivers/base/module.c
index a1b55da07127d8734ec7a2c981aadcc03a100677..7af224e6914a104744977c0ac09dc2790166f654 100644
--- a/drivers/base/module.c
+++ b/drivers/base/module.c
@@ -9,7 +9,7 @@
#include <linux/string.h>
#include "base.h"
-static char *make_driver_name(struct device_driver *drv)
+static char *make_driver_name(const struct device_driver *drv)
{
char *driver_name;
@@ -30,7 +30,7 @@ static void module_create_drivers_dir(struct module_kobject *mk)
mutex_unlock(&drivers_dir_mutex);
}
-int module_add_driver(struct module *mod, struct device_driver *drv)
+int module_add_driver(struct module *mod, const struct device_driver *drv)
{
char *driver_name;
struct module_kobject *mk = NULL;
@@ -89,7 +89,7 @@ int module_add_driver(struct module *mod, struct device_driver *drv)
return ret;
}
-void module_remove_driver(struct device_driver *drv)
+void module_remove_driver(const struct device_driver *drv)
{
struct module_kobject *mk = NULL;
char *driver_name;
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 10c5779634182815cb76cc01eb7de7121b0532da..4c3ee6521ba5f2a9f34e7ea9a562fb0d784f3514 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -608,7 +608,7 @@ int platform_device_add_resources(struct platform_device *pdev,
struct resource *r = NULL;
if (res) {
- r = kmemdup(res, sizeof(struct resource) * num, GFP_KERNEL);
+ r = kmemdup_array(res, num, sizeof(*r), GFP_KERNEL);
if (!r)
return -ENOMEM;
}
@@ -1122,7 +1122,7 @@ static int platform_legacy_resume(struct device *dev)
int platform_pm_suspend(struct device *dev)
{
- struct device_driver *drv = dev->driver;
+ const struct device_driver *drv = dev->driver;
int ret = 0;
if (!drv)
@@ -1140,7 +1140,7 @@ int platform_pm_suspend(struct device *dev)
int platform_pm_resume(struct device *dev)
{
- struct device_driver *drv = dev->driver;
+ const struct device_driver *drv = dev->driver;
int ret = 0;
if (!drv)
@@ -1162,7 +1162,7 @@ int platform_pm_resume(struct device *dev)
int platform_pm_freeze(struct device *dev)
{
- struct device_driver *drv = dev->driver;
+ const struct device_driver *drv = dev->driver;
int ret = 0;
if (!drv)
@@ -1180,7 +1180,7 @@ int platform_pm_freeze(struct device *dev)
int platform_pm_thaw(struct device *dev)
{
- struct device_driver *drv = dev->driver;
+ const struct device_driver *drv = dev->driver;
int ret = 0;
if (!drv)
@@ -1198,7 +1198,7 @@ int platform_pm_thaw(struct device *dev)
int platform_pm_poweroff(struct device *dev)
{
- struct device_driver *drv = dev->driver;
+ const struct device_driver *drv = dev->driver;
int ret = 0;
if (!drv)
@@ -1216,7 +1216,7 @@ int platform_pm_poweroff(struct device *dev)
int platform_pm_restore(struct device *dev)
{
- struct device_driver *drv = dev->driver;
+ const struct device_driver *drv = dev->driver;
int ret = 0;
if (!drv)
@@ -1332,7 +1332,7 @@ __ATTRIBUTE_GROUPS(platform_dev);
* and compare it against the name of the driver. Return whether they match
* or not.
*/
-static int platform_match(struct device *dev, struct device_driver *drv)
+static int platform_match(struct device *dev, const struct device_driver *drv)
{
struct platform_device *pdev = to_platform_device(dev);
struct platform_driver *pdrv = to_platform_driver(drv);
@@ -1420,14 +1420,8 @@ static void platform_remove(struct device *_dev)
struct platform_driver *drv = to_platform_driver(_dev->driver);
struct platform_device *dev = to_platform_device(_dev);
- if (drv->remove_new) {
- drv->remove_new(dev);
- } else if (drv->remove) {
- int ret = drv->remove(dev);
-
- if (ret)
- dev_warn(_dev, "remove callback returned a non-zero value. This will be ignored.\n");
- }
+ if (drv->remove)
+ drv->remove(dev);
dev_pm_domain_detach(_dev, true);
}
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 6b5d34919c72b7e29a1a527c8211d244a028949d..6ecfc821cf833e4ccb76a53900d6695fd747bde5 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -26,7 +26,7 @@ static unsigned int bcma_bus_next_num;
/* bcma_buses_mutex locks the bcma_bus_next_num */
static DEFINE_MUTEX(bcma_buses_mutex);
-static int bcma_bus_match(struct device *dev, struct device_driver *drv);
+static int bcma_bus_match(struct device *dev, const struct device_driver *drv);
static int bcma_device_probe(struct device *dev);
static void bcma_device_remove(struct device *dev);
static int bcma_device_uevent(const struct device *dev, struct kobj_uevent_env *env);
@@ -584,10 +584,10 @@ void bcma_driver_unregister(struct bcma_driver *drv)
}
EXPORT_SYMBOL_GPL(bcma_driver_unregister);
-static int bcma_bus_match(struct device *dev, struct device_driver *drv)
+static int bcma_bus_match(struct device *dev, const struct device_driver *drv)
{
struct bcma_device *core = container_of(dev, struct bcma_device, dev);
- struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
+ const struct bcma_driver *adrv = container_of_const(drv, struct bcma_driver, drv);
const struct bcma_device_id *cid = &core->id;
const struct bcma_device_id *did;
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 78b96cd63de9fb8f99a0ac248e10337136d00513..dd68b8191a0a05798db39a0ea78fb8d35b47d682 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -80,11 +80,11 @@ static phys_addr_t mc_portal_base_phys_addr;
*
* Returns 1 on success, 0 otherwise.
*/
-static int fsl_mc_bus_match(struct device *dev, struct device_driver *drv)
+static int fsl_mc_bus_match(struct device *dev, const struct device_driver *drv)
{
const struct fsl_mc_device_id *id;
struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
- struct fsl_mc_driver *mc_drv = to_fsl_mc_driver(drv);
+ const struct fsl_mc_driver *mc_drv = to_fsl_mc_driver(drv);
bool found = false;
/* When driver_override is set, only bind to the matching driver */
diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c
index 4acfac73ca9ac154290a7130f8ed2d612a1a3d50..b3eafcf2a2c50d95e3efd3afb27038ecf55552a5 100644
--- a/drivers/bus/mhi/ep/main.c
+++ b/drivers/bus/mhi/ep/main.c
@@ -1694,10 +1694,10 @@ static int mhi_ep_uevent(const struct device *dev, struct kobj_uevent_env *env)
mhi_dev->name);
}
-static int mhi_ep_match(struct device *dev, struct device_driver *drv)
+static int mhi_ep_match(struct device *dev, const struct device_driver *drv)
{
struct mhi_ep_device *mhi_dev = to_mhi_ep_device(dev);
- struct mhi_ep_driver *mhi_drv = to_mhi_ep_driver(drv);
+ const struct mhi_ep_driver *mhi_drv = to_mhi_ep_driver(drv);
const struct mhi_device_id *id;
/*
diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index 173f79918741b6fd00643590ae3a681a5337ace0..ce7d2e62c2f18e2f7033cd190e8637509339d5b3 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -1442,10 +1442,10 @@ static int mhi_uevent(const struct device *dev, struct kobj_uevent_env *env)
mhi_dev->name);
}
-static int mhi_match(struct device *dev, struct device_driver *drv)
+static int mhi_match(struct device *dev, const struct device_driver *drv)
{
struct mhi_device *mhi_dev = to_mhi_device(dev);
- struct mhi_driver *mhi_drv = to_mhi_driver(drv);
+ const struct mhi_driver *mhi_drv = to_mhi_driver(drv);
const struct mhi_device_id *id;
/*
diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c
index 8baf14bd5effbb68bc857b6d8ba4a8cf9397f5ea..12dd32fd0b62e878a9d92ddf92c500c71b3386b7 100644
--- a/drivers/bus/mips_cdmm.c
+++ b/drivers/bus/mips_cdmm.c
@@ -37,7 +37,7 @@
/* Each block of device registers is 64 bytes */
#define CDMM_DRB_SIZE 64
-#define to_mips_cdmm_driver(d) container_of(d, struct mips_cdmm_driver, drv)
+#define to_mips_cdmm_driver(d) container_of_const(d, struct mips_cdmm_driver, drv)
/* Default physical base address */
static phys_addr_t mips_cdmm_default_base;
@@ -59,10 +59,10 @@ mips_cdmm_lookup(const struct mips_cdmm_device_id *table,
return ret ? table : NULL;
}
-static int mips_cdmm_match(struct device *dev, struct device_driver *drv)
+static int mips_cdmm_match(struct device *dev, const struct device_driver *drv)
{
struct mips_cdmm_device *cdev = to_mips_cdmm_device(dev);
- struct mips_cdmm_driver *cdrv = to_mips_cdmm_driver(drv);
+ const struct mips_cdmm_driver *cdrv = to_mips_cdmm_driver(drv);
return mips_cdmm_lookup(cdrv->id_table, cdev) != NULL;
}
diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c
index 641c1a6adc8ae5fed39237a5aab1639a1e8fdc29..8412406c4f1d2e20991f2f41da3c04ff7dd2e7fd 100644
--- a/drivers/bus/moxtet.c
+++ b/drivers/bus/moxtet.c
@@ -83,10 +83,10 @@ static const struct attribute_group *moxtet_dev_groups[] = {
NULL,
};
-static int moxtet_match(struct device *dev, struct device_driver *drv)
+static int moxtet_match(struct device *dev, const struct device_driver *drv)
{
struct moxtet_device *mdev = to_moxtet_device(dev);
- struct moxtet_driver *tdrv = to_moxtet_driver(drv);
+ const struct moxtet_driver *tdrv = to_moxtet_driver(drv);
const enum turris_mox_module_id *t;
if (of_driver_match_device(dev, drv))
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index ac6c7e4900f41a576adbb0e67a87a344775ab16b..eee41fb798a16b97f1104a079fbf0f0a3c6218df 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -130,7 +130,7 @@ struct sunxi_rsb {
/* bus / slave device related functions */
static const struct bus_type sunxi_rsb_bus;
-static int sunxi_rsb_device_match(struct device *dev, struct device_driver *drv)
+static int sunxi_rsb_device_match(struct device *dev, const struct device_driver *drv)
{
return of_driver_match_device(dev, drv);
}
diff --git a/drivers/cdx/cdx.c b/drivers/cdx/cdx.c
index 236d381dc5f75d0d288010f942b745629efc18d6..07371cb653d356977cbd3dd99a1b848146d5a993 100644
--- a/drivers/cdx/cdx.c
+++ b/drivers/cdx/cdx.c
@@ -262,10 +262,10 @@ EXPORT_SYMBOL_GPL(cdx_clear_master);
*
* Return: true on success, false otherwise.
*/
-static int cdx_bus_match(struct device *dev, struct device_driver *drv)
+static int cdx_bus_match(struct device *dev, const struct device_driver *drv)
{
struct cdx_device *cdx_dev = to_cdx_device(dev);
- struct cdx_driver *cdx_drv = to_cdx_driver(drv);
+ const struct cdx_driver *cdx_drv = to_cdx_driver(drv);
const struct cdx_device_id *found_id = NULL;
const struct cdx_device_id *ids;
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 887ed6e358fb9f6c77fcb9ba9424342df4e03579..cb730050d3d42d1331f1499f8c147237964fcea3 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -2082,7 +2082,7 @@ static int cxl_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
cxl_device_id(dev));
}
-static int cxl_bus_match(struct device *dev, struct device_driver *drv)
+static int cxl_bus_match(struct device *dev, const struct device_driver *drv)
{
return cxl_device_id(dev) == to_cxl_drv(drv)->id;
}
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index a6613a6f892370b140f3563101242d832111b663..720aa07976b04dd47ed3a374d7fa051f7dd082f0 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -825,10 +825,7 @@ struct cxl_driver {
int id;
};
-static inline struct cxl_driver *to_cxl_drv(struct device_driver *drv)
-{
- return container_of(drv, struct cxl_driver, drv);
-}
+#define to_cxl_drv(__drv) container_of_const(__drv, struct cxl_driver, drv)
int __cxl_driver_register(struct cxl_driver *cxl_drv, struct module *owner,
const char *modname);
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 3ef9550bd2ca78c1da754bb22b2ecd8a6ed64f3d..fde29e0ad68b158c5c88262d434ee7b55a5ce407 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -39,12 +39,9 @@ static int dax_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
return add_uevent_var(env, "MODALIAS=" DAX_DEVICE_MODALIAS_FMT, 0);
}
-static struct dax_device_driver *to_dax_drv(struct device_driver *drv)
-{
- return container_of(drv, struct dax_device_driver, drv);
-}
+#define to_dax_drv(__drv) container_of_const(__drv, struct dax_device_driver, drv)
-static struct dax_id *__dax_match_id(struct dax_device_driver *dax_drv,
+static struct dax_id *__dax_match_id(const struct dax_device_driver *dax_drv,
const char *dev_name)
{
struct dax_id *dax_id;
@@ -57,7 +54,7 @@ static struct dax_id *__dax_match_id(struct dax_device_driver *dax_drv,
return NULL;
}
-static int dax_match_id(struct dax_device_driver *dax_drv, struct device *dev)
+static int dax_match_id(const struct dax_device_driver *dax_drv, struct device *dev)
{
int match;
@@ -68,7 +65,7 @@ static int dax_match_id(struct dax_device_driver *dax_drv, struct device *dev)
return match;
}
-static int dax_match_type(struct dax_device_driver *dax_drv, struct device *dev)
+static int dax_match_type(const struct dax_device_driver *dax_drv, struct device *dev)
{
enum dax_driver_type type = DAXDRV_DEVICE_TYPE;
struct dev_dax *dev_dax = to_dev_dax(dev);
@@ -156,7 +153,7 @@ static struct attribute *dax_drv_attrs[] = {
};
ATTRIBUTE_GROUPS(dax_drv);
-static int dax_bus_match(struct device *dev, struct device_driver *drv);
+static int dax_bus_match(struct device *dev, const struct device_driver *drv);
/*
* Static dax regions are regions created by an external subsystem
@@ -250,9 +247,9 @@ static const struct bus_type dax_bus_type = {
.drv_groups = dax_drv_groups,
};
-static int dax_bus_match(struct device *dev, struct device_driver *drv)
+static int dax_bus_match(struct device *dev, const struct device_driver *drv)
{
- struct dax_device_driver *dax_drv = to_dax_drv(drv);
+ const struct dax_device_driver *dax_drv = to_dax_drv(drv);
if (dax_match_id(dax_drv, dev))
return 1;
diff --git a/drivers/dca/dca-sysfs.c b/drivers/dca/dca-sysfs.c
index fcc83ede09093a8851eb4fad9c0b495b7ebe8ff7..b915c2b4601e60e905d5f8c56d0e2393d5d542e9 100644
--- a/drivers/dca/dca-sysfs.c
+++ b/drivers/dca/dca-sysfs.c
@@ -13,7 +13,9 @@
#include <linux/gfp.h>
#include <linux/export.h>
-static struct class *dca_class;
+static const struct class dca_class = {
+ .name = "dca",
+};
static struct idr dca_idr;
static spinlock_t dca_idr_lock;
@@ -22,14 +24,14 @@ int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot)
struct device *cd;
static int req_count;
- cd = device_create(dca_class, dca->cd, MKDEV(0, slot + 1), NULL,
+ cd = device_create(&dca_class, dca->cd, MKDEV(0, slot + 1), NULL,
"requester%d", req_count++);
return PTR_ERR_OR_ZERO(cd);
}
void dca_sysfs_remove_req(struct dca_provider *dca, int slot)
{
- device_destroy(dca_class, MKDEV(0, slot + 1));
+ device_destroy(&dca_class, MKDEV(0, slot + 1));
}
int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev)
@@ -49,7 +51,7 @@ int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev)
if (ret < 0)
return ret;
- cd = device_create(dca_class, dev, MKDEV(0, 0), NULL, "dca%d", dca->id);
+ cd = device_create(&dca_class, dev, MKDEV(0, 0), NULL, "dca%d", dca->id);
if (IS_ERR(cd)) {
spin_lock(&dca_idr_lock);
idr_remove(&dca_idr, dca->id);
@@ -71,20 +73,22 @@ void dca_sysfs_remove_provider(struct dca_provider *dca)
int __init dca_sysfs_init(void)
{
+ int err;
+
idr_init(&dca_idr);
spin_lock_init(&dca_idr_lock);
- dca_class = class_create("dca");
- if (IS_ERR(dca_class)) {
+ err = class_register(&dca_class);
+ if (err) {
idr_destroy(&dca_idr);
- return PTR_ERR(dca_class);
+ return err;
}
return 0;
}
void __exit dca_sysfs_exit(void)
{
- class_destroy(dca_class);
+ class_unregister(&dca_class);
idr_destroy(&dca_idr);
}
diff --git a/drivers/dio/dio-driver.c b/drivers/dio/dio-driver.c
index 2d9fa6011945d88bae6ba24f74ef8a2ff1b2ea84..12fa2d209dab9d3cebac7f579b41b734fbc62dca 100644
--- a/drivers/dio/dio-driver.c
+++ b/drivers/dio/dio-driver.c
@@ -110,10 +110,10 @@ void dio_unregister_driver(struct dio_driver *drv)
* and 0 if there is no match.
*/
-static int dio_bus_match(struct device *dev, struct device_driver *drv)
+static int dio_bus_match(struct device *dev, const struct device_driver *drv)
{
struct dio_dev *d = to_dio_dev(dev);
- struct dio_driver *dio_drv = to_dio_driver(drv);
+ const struct dio_driver *dio_drv = to_dio_driver(drv);
const struct dio_device_id *ids = dio_drv->id_table;
if (!ids)
diff --git a/drivers/dma/idxd/bus.c b/drivers/dma/idxd/bus.c
index b83b27e04f2a410e6ce14db8d398df17c84a1c02..e647a684485d013f00aadc9a016e80a171f0fa22 100644
--- a/drivers/dma/idxd/bus.c
+++ b/drivers/dma/idxd/bus.c
@@ -33,10 +33,10 @@ void idxd_driver_unregister(struct idxd_device_driver *idxd_drv)
EXPORT_SYMBOL_GPL(idxd_driver_unregister);
static int idxd_config_bus_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
- struct idxd_device_driver *idxd_drv =
- container_of(drv, struct idxd_device_driver, drv);
+ const struct idxd_device_driver *idxd_drv =
+ container_of_const(drv, struct idxd_device_driver, drv);
struct idxd_dev *idxd_dev = confdev_to_idxd_dev(dev);
int i = 0;
diff --git a/drivers/dma/idxd/compat.c b/drivers/dma/idxd/compat.c
index 5fd38d1b9d289414f468b3d292d72a0f0e8c470b..a4adb0c179959fcb933ff7f2e9804951fe2d59b2 100644
--- a/drivers/dma/idxd/compat.c
+++ b/drivers/dma/idxd/compat.c
@@ -7,7 +7,6 @@
#include <linux/device/bus.h>
#include "idxd.h"
-extern int device_driver_attach(struct device_driver *drv, struct device *dev);
extern void device_driver_detach(struct device *dev);
#define DRIVER_ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) \
diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c
index 33f0ba11c6adfad06f1c34046f61548574c53f2e..cb586a3629444d64e5abf424a0e69caaf44d2431 100644
--- a/drivers/eisa/eisa-bus.c
+++ b/drivers/eisa/eisa-bus.c
@@ -105,10 +105,10 @@ static char __init *decode_eisa_sig(unsigned long addr)
return sig_str;
}
-static int eisa_bus_match(struct device *dev, struct device_driver *drv)
+static int eisa_bus_match(struct device *dev, const struct device_driver *drv)
{
struct eisa_device *edev = to_eisa_device(dev);
- struct eisa_driver *edrv = to_eisa_driver(drv);
+ const struct eisa_driver *edrv = to_eisa_driver(drv);
const struct eisa_device_id *eids = edrv->id_table;
if (!eids)
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index e6cdb905eeaca70aec09132606d66996d5b87579..00e9a13e6c459eeb983d5b055cb83535f237a6a2 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -190,10 +190,10 @@ static bool match_ids(const struct ieee1394_device_id *id_table, int *id)
}
static const struct ieee1394_device_id *unit_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
const struct ieee1394_device_id *id_table =
- container_of(drv, struct fw_driver, driver)->id_table;
+ container_of_const(drv, struct fw_driver, driver)->id_table;
int id[] = {0, 0, 0, 0};
get_modalias_ids(fw_unit(dev), id);
@@ -207,7 +207,7 @@ static const struct ieee1394_device_id *unit_match(struct device *dev,
static bool is_fw_unit(const struct device *dev);
-static int fw_unit_match(struct device *dev, struct device_driver *drv)
+static int fw_unit_match(struct device *dev, const struct device_driver *drv)
{
/* We only allow binding to fw_units. */
return is_fw_unit(dev) && unit_match(dev, drv) != NULL;
diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c
index 0c83931485f60c4d0fcf819db63817c793da0bdb..eb17d03b66fec9fe0da1a5f5d93d188e2631e182 100644
--- a/drivers/firmware/arm_ffa/bus.c
+++ b/drivers/firmware/arm_ffa/bus.c
@@ -19,7 +19,7 @@
static DEFINE_IDA(ffa_bus_id);
-static int ffa_device_match(struct device *dev, struct device_driver *drv)
+static int ffa_device_match(struct device *dev, const struct device_driver *drv)
{
const struct ffa_device_id *id_table;
struct ffa_device *ffa_dev;
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c
index 77c78be6e79c959fd8a15319b12e21e92e3f8c54..96b2e5f9a8ef0386525f9d91d2925e7e6d48ac28 100644
--- a/drivers/firmware/arm_scmi/bus.c
+++ b/drivers/firmware/arm_scmi/bus.c
@@ -207,7 +207,7 @@ scmi_protocol_table_unregister(const struct scmi_device_id *id_table)
}
static const struct scmi_device_id *
-scmi_dev_match_id(struct scmi_device *scmi_dev, struct scmi_driver *scmi_drv)
+scmi_dev_match_id(struct scmi_device *scmi_dev, const struct scmi_driver *scmi_drv)
{
const struct scmi_device_id *id = scmi_drv->id_table;
@@ -225,9 +225,9 @@ scmi_dev_match_id(struct scmi_device *scmi_dev, struct scmi_driver *scmi_drv)
return NULL;
}
-static int scmi_dev_match(struct device *dev, struct device_driver *drv)
+static int scmi_dev_match(struct device *dev, const struct device_driver *drv)
{
- struct scmi_driver *scmi_drv = to_scmi_driver(drv);
+ const struct scmi_driver *scmi_drv = to_scmi_driver(drv);
struct scmi_device *scmi_dev = to_scmi_dev(dev);
const struct scmi_device_id *id;
diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index a4e3bbd556a3bf24db4d15a2b15726f0da34bc40..208652a8087cd2463f8b52e155e4fbb96f484944 100644
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -22,12 +22,12 @@
#include "coreboot_table.h"
#define CB_DEV(d) container_of(d, struct coreboot_device, dev)
-#define CB_DRV(d) container_of(d, struct coreboot_driver, drv)
+#define CB_DRV(d) container_of_const(d, struct coreboot_driver, drv)
-static int coreboot_bus_match(struct device *dev, struct device_driver *drv)
+static int coreboot_bus_match(struct device *dev, const struct device_driver *drv)
{
struct coreboot_device *device = CB_DEV(dev);
- struct coreboot_driver *driver = CB_DRV(drv);
+ const struct coreboot_driver *driver = CB_DRV(drv);
const struct coreboot_device_id *id;
if (!driver->id_table)
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index 094ee97ea26cb18db87490c8205f4cb095426f57..c406b949026fa75c6661f5e8481fd760fa401a3e 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -257,10 +257,10 @@ dfl_match_one_device(const struct dfl_device_id *id, struct dfl_device *ddev)
return NULL;
}
-static int dfl_bus_match(struct device *dev, struct device_driver *drv)
+static int dfl_bus_match(struct device *dev, const struct device_driver *drv)
{
struct dfl_device *ddev = to_dfl_dev(dev);
- struct dfl_driver *ddrv = to_dfl_drv(drv);
+ const struct dfl_driver *ddrv = to_dfl_drv(drv);
const struct dfl_device_id *id_entry;
id_entry = ddrv->id_table;
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index 097d5a780264c61800003880277572394b172fa3..46ac5a8beab72a3e030077b2a521b856d1103fa0 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -1361,10 +1361,10 @@ EXPORT_SYMBOL_GPL(fsi_master_unregister);
/* FSI core & Linux bus type definitions */
-static int fsi_bus_match(struct device *dev, struct device_driver *drv)
+static int fsi_bus_match(struct device *dev, const struct device_driver *drv)
{
struct fsi_device *fsi_dev = to_fsi_dev(dev);
- struct fsi_driver *fsi_drv = to_fsi_drv(drv);
+ const struct fsi_driver *fsi_drv = to_fsi_drv(drv);
const struct fsi_device_id *id;
if (!fsi_drv->id_table)
diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c
index f0a19cd451a0772eefde39b47a578ba73b45e1da..b0b624c3717bac1b87aee7ea55333cc09be57390 100644
--- a/drivers/fsi/fsi-master-aspeed.c
+++ b/drivers/fsi/fsi-master-aspeed.c
@@ -646,14 +646,12 @@ static int fsi_master_aspeed_probe(struct platform_device *pdev)
return rc;
}
-static int fsi_master_aspeed_remove(struct platform_device *pdev)
+static void fsi_master_aspeed_remove(struct platform_device *pdev)
{
struct fsi_master_aspeed *aspeed = platform_get_drvdata(pdev);
fsi_master_unregister(&aspeed->master);
clk_disable_unprepare(aspeed->clk);
-
- return 0;
}
static const struct of_device_id fsi_master_aspeed_match[] = {
@@ -668,7 +666,7 @@ static struct platform_driver fsi_master_aspeed_driver = {
.of_match_table = fsi_master_aspeed_match,
},
.probe = fsi_master_aspeed_probe,
- .remove = fsi_master_aspeed_remove,
+ .remove_new = fsi_master_aspeed_remove,
};
module_platform_driver(fsi_master_aspeed_driver);
diff --git a/drivers/fsi/fsi-master-ast-cf.c b/drivers/fsi/fsi-master-ast-cf.c
index 812dfa9a914021deb7c6e39c34fd11dd5898bd21..f8c776ce1b5609380bfbc072355ac482c397ba15 100644
--- a/drivers/fsi/fsi-master-ast-cf.c
+++ b/drivers/fsi/fsi-master-ast-cf.c
@@ -1412,15 +1412,13 @@ static int fsi_master_acf_probe(struct platform_device *pdev)
}
-static int fsi_master_acf_remove(struct platform_device *pdev)
+static void fsi_master_acf_remove(struct platform_device *pdev)
{
struct fsi_master_acf *master = platform_get_drvdata(pdev);
device_remove_file(master->dev, &dev_attr_external_mode);
fsi_master_unregister(&master->master);
-
- return 0;
}
static const struct of_device_id fsi_master_acf_match[] = {
@@ -1436,7 +1434,7 @@ static struct platform_driver fsi_master_acf = {
.of_match_table = fsi_master_acf_match,
},
.probe = fsi_master_acf_probe,
- .remove = fsi_master_acf_remove,
+ .remove_new = fsi_master_acf_remove,
};
module_platform_driver(fsi_master_acf);
diff --git a/drivers/fsi/fsi-master-gpio.c b/drivers/fsi/fsi-master-gpio.c
index ed03da4f24478aed395c710c2f6310070efcf38b..10fc344b6b221eaeda9be97b7a336efdcc244913 100644
--- a/drivers/fsi/fsi-master-gpio.c
+++ b/drivers/fsi/fsi-master-gpio.c
@@ -867,15 +867,13 @@ static int fsi_master_gpio_probe(struct platform_device *pdev)
-static int fsi_master_gpio_remove(struct platform_device *pdev)
+static void fsi_master_gpio_remove(struct platform_device *pdev)
{
struct fsi_master_gpio *master = platform_get_drvdata(pdev);
device_remove_file(&pdev->dev, &dev_attr_external_mode);
fsi_master_unregister(&master->master);
-
- return 0;
}
static const struct of_device_id fsi_master_gpio_match[] = {
@@ -890,7 +888,7 @@ static struct platform_driver fsi_master_gpio_driver = {
.of_match_table = fsi_master_gpio_match,
},
.probe = fsi_master_gpio_probe,
- .remove = fsi_master_gpio_remove,
+ .remove_new = fsi_master_gpio_remove,
};
module_platform_driver(fsi_master_gpio_driver);
diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c
index f7157c1d77d807c2b1a8277298d18037b4c3dfe5..f58b158d097ce524bb5fa2a5fa0eb2966e407b01 100644
--- a/drivers/fsi/fsi-occ.c
+++ b/drivers/fsi/fsi-occ.c
@@ -702,7 +702,7 @@ static int occ_probe(struct platform_device *pdev)
return 0;
}
-static int occ_remove(struct platform_device *pdev)
+static void occ_remove(struct platform_device *pdev)
{
struct occ *occ = platform_get_drvdata(pdev);
@@ -719,8 +719,6 @@ static int occ_remove(struct platform_device *pdev)
device_for_each_child(&pdev->dev, NULL, occ_unregister_of_child);
ida_free(&occ_ida, occ->idx);
-
- return 0;
}
static const struct of_device_id occ_match[] = {
@@ -742,7 +740,7 @@ static struct platform_driver occ_driver = {
.of_match_table = occ_match,
},
.probe = occ_probe,
- .remove = occ_remove,
+ .remove_new = occ_remove,
};
static int occ_init(void)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index edaeee53db755f3254b99df7103d2cc8a029892c..3a9668cc100df507fcead9f761b216041cda03a3 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -55,7 +55,7 @@ static DEFINE_IDA(gpio_ida);
static dev_t gpio_devt;
#define GPIO_DEV_MAX 256 /* 256 GPIO chip devices supported */
-static int gpio_bus_match(struct device *dev, struct device_driver *drv)
+static int gpio_bus_match(struct device *dev, const struct device_driver *drv)
{
struct fwnode_handle *fwnode = dev_fwnode(dev);
diff --git a/drivers/gpu/drm/display/drm_dp_aux_bus.c b/drivers/gpu/drm/display/drm_dp_aux_bus.c
index 5afc26be9d2a958fee70876795be27e71595bf22..d810529ebfb6e8764bad1d1a705bf09b52dec8ff 100644
--- a/drivers/gpu/drm/display/drm_dp_aux_bus.c
+++ b/drivers/gpu/drm/display/drm_dp_aux_bus.c
@@ -36,7 +36,7 @@ struct dp_aux_ep_device_with_data {
*
* Return: True if this driver matches this device; false otherwise.
*/
-static int dp_aux_ep_match(struct device *dev, struct device_driver *drv)
+static int dp_aux_ep_match(struct device *dev, const struct device_driver *drv)
{
return !!of_match_device(drv->of_match_table, dev);
}
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index a471c46f5ca614660a06864650a6b4e80332e3ab..969cfd5a01aeacbab7652323d58c78c48542203c 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -48,7 +48,7 @@
* subset of the MIPI DCS command set.
*/
-static int mipi_dsi_device_match(struct device *dev, struct device_driver *drv)
+static int mipi_dsi_device_match(struct device *dev, const struct device_driver *drv)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
diff --git a/drivers/gpu/drm/imagination/pvr_drv.c b/drivers/gpu/drm/imagination/pvr_drv.c
index 5c3b2d58d766bb0cb01ffd3cabc972045b2b28df..1a0cb7aa9cea4ccff05631dc23f036504ae9f79f 100644
--- a/drivers/gpu/drm/imagination/pvr_drv.c
+++ b/drivers/gpu/drm/imagination/pvr_drv.c
@@ -1451,8 +1451,7 @@ pvr_probe(struct platform_device *plat_dev)
return err;
}
-static int
-pvr_remove(struct platform_device *plat_dev)
+static void pvr_remove(struct platform_device *plat_dev)
{
struct drm_device *drm_dev = platform_get_drvdata(plat_dev);
struct pvr_device *pvr_dev = to_pvr_device(drm_dev);
@@ -1469,8 +1468,6 @@ pvr_remove(struct platform_device *plat_dev)
pvr_watchdog_fini(pvr_dev);
pvr_queue_device_fini(pvr_dev);
pvr_context_device_fini(pvr_dev);
-
- return 0;
}
static const struct of_device_id dt_match[] = {
@@ -1485,7 +1482,7 @@ static const struct dev_pm_ops pvr_pm_ops = {
static struct platform_driver pvr_driver = {
.probe = pvr_probe,
- .remove = pvr_remove,
+ .remove_new = pvr_remove,
.driver = {
.name = PVR_DRIVER_NAME,
.pm = &pvr_pm_ops,
diff --git a/drivers/gpu/drm/stm/lvds.c b/drivers/gpu/drm/stm/lvds.c
index bfc8cb13fbc5c03d30edb5cfd64b7012e3718201..2fa2c81784e971a295ab4c3a221dd0f3dcdb837b 100644
--- a/drivers/gpu/drm/stm/lvds.c
+++ b/drivers/gpu/drm/stm/lvds.c
@@ -1186,15 +1186,13 @@ static int lvds_probe(struct platform_device *pdev)
return ret;
}
-static int lvds_remove(struct platform_device *pdev)
+static void lvds_remove(struct platform_device *pdev)
{
struct stm_lvds *lvds = platform_get_drvdata(pdev);
lvds_pixel_clk_unregister(lvds);
drm_bridge_remove(&lvds->lvds_bridge);
-
- return 0;
}
static const struct of_device_id lvds_dt_ids[] = {
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index 7c52757a89db9abde6fb211178b9cedb4b1c7740..8e09d6d328d22d275de61280709c55ed694f7f36 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -333,7 +333,7 @@ static int host1x_del_client(struct host1x *host1x,
return -ENODEV;
}
-static int host1x_device_match(struct device *dev, struct device_driver *drv)
+static int host1x_device_match(struct device *dev, const struct device_driver *drv)
{
return strcmp(dev_name(dev), drv->name) == 0;
}
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 3a0aaa68ac8d917a4fe61c3c67afacd25f47bab8..f006bc931324fa504eccf309c35f5c43a83d65ae 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -677,7 +677,7 @@ static int host1x_probe(struct platform_device *pdev)
return err;
}
-static int host1x_remove(struct platform_device *pdev)
+static void host1x_remove(struct platform_device *pdev)
{
struct host1x *host = platform_get_drvdata(pdev);
@@ -692,8 +692,6 @@ static int host1x_remove(struct platform_device *pdev)
host1x_channel_list_free(&host->channel_list);
host1x_iommu_exit(host);
host1x_bo_cache_destroy(&host->cache);
-
- return 0;
}
static int __maybe_unused host1x_runtime_suspend(struct device *dev)
@@ -778,7 +776,7 @@ static struct platform_driver tegra_host1x_driver = {
.pm = &host1x_pm_ops,
},
.probe = host1x_probe,
- .remove = host1x_remove,
+ .remove_new = host1x_remove,
};
static struct platform_driver * const drivers[] = {
diff --git a/drivers/gpu/host1x/mipi.c b/drivers/gpu/host1x/mipi.c
index 4dcec535ec21cd7cfc47b23c89f6fb2184186415..e51b43dd15a317aa431fc71f3acd70f87d887b63 100644
--- a/drivers/gpu/host1x/mipi.c
+++ b/drivers/gpu/host1x/mipi.c
@@ -501,7 +501,6 @@ static int tegra_mipi_probe(struct platform_device *pdev)
{
const struct of_device_id *match;
struct tegra_mipi *mipi;
- int err;
match = of_match_node(tegra_mipi_of_match, pdev->dev.of_node);
if (!match)
@@ -520,35 +519,21 @@ static int tegra_mipi_probe(struct platform_device *pdev)
mutex_init(&mipi->lock);
- mipi->clk = devm_clk_get(&pdev->dev, NULL);
+ mipi->clk = devm_clk_get_prepared(&pdev->dev, NULL);
if (IS_ERR(mipi->clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
return PTR_ERR(mipi->clk);
}
- err = clk_prepare(mipi->clk);
- if (err < 0)
- return err;
-
platform_set_drvdata(pdev, mipi);
return 0;
}
-static int tegra_mipi_remove(struct platform_device *pdev)
-{
- struct tegra_mipi *mipi = platform_get_drvdata(pdev);
-
- clk_unprepare(mipi->clk);
-
- return 0;
-}
-
struct platform_driver tegra_mipi_driver = {
.driver = {
.name = "tegra-mipi",
.of_match_table = tegra_mipi_of_match,
},
.probe = tegra_mipi_probe,
- .remove = tegra_mipi_remove,
};
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 71ec1e7f657adbaa2de385860e5896f657a0adcd..3535be9daa1f39ab00ddfda4898f6f97c6308dab 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -1450,7 +1450,7 @@ static int ipu_probe(struct platform_device *pdev)
return ret;
}
-static int ipu_remove(struct platform_device *pdev)
+static void ipu_remove(struct platform_device *pdev)
{
struct ipu_soc *ipu = platform_get_drvdata(pdev);
@@ -1459,8 +1459,6 @@ static int ipu_remove(struct platform_device *pdev)
ipu_irq_exit(ipu);
clk_disable_unprepare(ipu->clk);
-
- return 0;
}
static struct platform_driver imx_ipu_driver = {
@@ -1469,7 +1467,7 @@ static struct platform_driver imx_ipu_driver = {
.of_match_table = imx_ipu_dt_ids,
},
.probe = ipu_probe,
- .remove = ipu_remove,
+ .remove_new = ipu_remove,
};
static struct platform_driver * const drivers[] = {
diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c
index 624b7613156073bf12879dfc06df9429ab3c42cd..41bd5dbd7356c0cfe073cd3a917c6160910f6a33 100644
--- a/drivers/gpu/ipu-v3/ipu-pre.c
+++ b/drivers/gpu/ipu-v3/ipu-pre.c
@@ -351,7 +351,7 @@ static int ipu_pre_probe(struct platform_device *pdev)
return 0;
}
-static int ipu_pre_remove(struct platform_device *pdev)
+static void ipu_pre_remove(struct platform_device *pdev)
{
struct ipu_pre *pre = platform_get_drvdata(pdev);
@@ -365,7 +365,6 @@ static int ipu_pre_remove(struct platform_device *pdev)
if (pre->buffer_virt)
gen_pool_free(pre->iram, (unsigned long)pre->buffer_virt,
IPU_PRE_MAX_WIDTH * IPU_PRE_NUM_SCANLINES * 4);
- return 0;
}
static const struct of_device_id ipu_pre_dt_ids[] = {
@@ -375,7 +374,7 @@ static const struct of_device_id ipu_pre_dt_ids[] = {
struct platform_driver ipu_pre_drv = {
.probe = ipu_pre_probe,
- .remove = ipu_pre_remove,
+ .remove_new = ipu_pre_remove,
.driver = {
.name = "imx-ipu-pre",
.of_match_table = ipu_pre_dt_ids,
diff --git a/drivers/gpu/ipu-v3/ipu-prg.c b/drivers/gpu/ipu-v3/ipu-prg.c
index 661dedf6617a10c6e4f4a948a0a73adbfba9cec2..afb2d72e9175f39ae4228cf9af6d285e39d56920 100644
--- a/drivers/gpu/ipu-v3/ipu-prg.c
+++ b/drivers/gpu/ipu-v3/ipu-prg.c
@@ -419,15 +419,13 @@ static int ipu_prg_probe(struct platform_device *pdev)
return 0;
}
-static int ipu_prg_remove(struct platform_device *pdev)
+static void ipu_prg_remove(struct platform_device *pdev)
{
struct ipu_prg *prg = platform_get_drvdata(pdev);
mutex_lock(&ipu_prg_list_mutex);
list_del(&prg->list);
mutex_unlock(&ipu_prg_list_mutex);
-
- return 0;
}
#ifdef CONFIG_PM
@@ -471,7 +469,7 @@ static const struct of_device_id ipu_prg_dt_ids[] = {
struct platform_driver ipu_prg_drv = {
.probe = ipu_prg_probe,
- .remove = ipu_prg_remove,
+ .remove_new = ipu_prg_remove,
.driver = {
.name = "imx-ipu-prg",
.pm = &prg_pm_ops,
diff --git a/drivers/greybus/core.c b/drivers/greybus/core.c
index 33a47e73f0fa4fa06e40625e029614c97dc7d322..313eb65cf70305abbe4870f89807f2e70309627d 100644
--- a/drivers/greybus/core.c
+++ b/drivers/greybus/core.c
@@ -90,9 +90,9 @@ greybus_match_id(struct gb_bundle *bundle, const struct greybus_bundle_id *id)
return NULL;
}
-static int greybus_match_device(struct device *dev, struct device_driver *drv)
+static int greybus_match_device(struct device *dev, const struct device_driver *drv)
{
- struct greybus_driver *driver = to_greybus_driver(drv);
+ const struct greybus_driver *driver = to_greybus_driver(drv);
struct gb_bundle *bundle;
const struct greybus_bundle_id *id;
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 254006178426cfc4abc9d112d16f5c5d307669ad..988d0acbdf04dd80385421a6b43e96153bce60d7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2604,7 +2604,7 @@ const struct hid_device_id *hid_match_device(struct hid_device *hdev,
}
EXPORT_SYMBOL_GPL(hid_match_device);
-static int hid_bus_match(struct device *dev, struct device_driver *drv)
+static int hid_bus_match(struct device *dev, const struct device_driver *drv)
{
struct hid_driver *hdrv = to_hid_driver(drv);
struct hid_device *hdev = to_hid_device(dev);
diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c
index cc76b295b63201b65ff1fc737f94b2dd0b63b19d..5ac7d70a7c84353c4979bd6892aaba4021d07f68 100644
--- a/drivers/hid/intel-ish-hid/ishtp/bus.c
+++ b/drivers/hid/intel-ish-hid/ishtp/bus.c
@@ -236,7 +236,7 @@ static int ishtp_cl_device_probe(struct device *dev)
*
* Return: 1 if dev & drv matches, 0 otherwise.
*/
-static int ishtp_cl_bus_match(struct device *dev, struct device_driver *drv)
+static int ishtp_cl_bus_match(struct device *dev, const struct device_driver *drv)
{
struct ishtp_cl_device *device = to_ishtp_cl_device(dev);
struct ishtp_cl_driver *driver = to_ishtp_cl_driver(drv);
diff --git a/drivers/hsi/hsi_core.c b/drivers/hsi/hsi_core.c
index e3beeac8aee5750a1eb6b2223c89e189ff885110..8113cb9d4015696b084e352a8c6576ebf119f849 100644
--- a/drivers/hsi/hsi_core.c
+++ b/drivers/hsi/hsi_core.c
@@ -37,7 +37,7 @@ static int hsi_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
return 0;
}
-static int hsi_bus_match(struct device *dev, struct device_driver *driver)
+static int hsi_bus_match(struct device *dev, const struct device_driver *driver)
{
if (of_driver_match_device(dev, driver))
return true;
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 12a707ab73f85cf363e6503346741a85bc9b82df..c857dc3975be77ab003972f49edfcbbcc77672cc 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -685,7 +685,7 @@ static const struct hv_vmbus_device_id vmbus_device_null;
* Return a matching hv_vmbus_device_id pointer.
* If there is no match, return NULL.
*/
-static const struct hv_vmbus_device_id *hv_vmbus_get_id(struct hv_driver *drv,
+static const struct hv_vmbus_device_id *hv_vmbus_get_id(const struct hv_driver *drv,
struct hv_device *dev)
{
const guid_t *guid = &dev->dev_type;
@@ -696,7 +696,7 @@ static const struct hv_vmbus_device_id *hv_vmbus_get_id(struct hv_driver *drv,
return NULL;
/* Look at the dynamic ids first, before the static ones */
- id = hv_vmbus_dynid_match(drv, guid);
+ id = hv_vmbus_dynid_match((struct hv_driver *)drv, guid);
if (!id)
id = hv_vmbus_dev_match(drv->id_table, guid);
@@ -809,9 +809,9 @@ ATTRIBUTE_GROUPS(vmbus_drv);
/*
* vmbus_match - Attempt to match the specified device to the specified driver
*/
-static int vmbus_match(struct device *device, struct device_driver *driver)
+static int vmbus_match(struct device *device, const struct device_driver *driver)
{
- struct hv_driver *drv = drv_to_hv_drv(driver);
+ const struct hv_driver *drv = drv_to_hv_drv(driver);
struct hv_device *hv_dev = device_to_hv_device(device);
/* The hv_sock driver handles all hv_sock offers. */
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index a121dc5cbd61828165b2c8c4e85fb8f202a7f19f..d729933554736cbd718290027bd7fbdcae95d949 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -26,9 +26,9 @@ module_param(host_mode, bool, 0444);
static DEFINE_IDA(intel_th_ida);
-static int intel_th_match(struct device *dev, struct device_driver *driver)
+static int intel_th_match(struct device *dev, const struct device_driver *driver)
{
- struct intel_th_driver *thdrv = to_intel_th_driver(driver);
+ const struct intel_th_driver *thdrv = to_intel_th_driver(driver);
struct intel_th_device *thdev = to_intel_th_device(dev);
if (thdev->type == INTEL_TH_SWITCH &&
diff --git a/drivers/hwtracing/intel_th/intel_th.h b/drivers/hwtracing/intel_th/intel_th.h
index 6cbba733f259a80736ab0150f2e70c52480b007f..3b87cd542c1b84a807e26e9190682a6682aee4d7 100644
--- a/drivers/hwtracing/intel_th/intel_th.h
+++ b/drivers/hwtracing/intel_th/intel_th.h
@@ -189,7 +189,7 @@ struct intel_th_driver {
};
#define to_intel_th_driver(_d) \
- container_of((_d), struct intel_th_driver, driver)
+ container_of_const((_d), struct intel_th_driver, driver)
#define to_intel_th_driver_or_null(_d) \
((_d) ? to_intel_th_driver(_d) : NULL)
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index f76b7f4fafc191b8ef6c8242dff32f2678e434c4..b63f75e442964b7d72d3a98d69c09f774990e322 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -136,10 +136,10 @@ const void *i2c_get_match_data(const struct i2c_client *client)
}
EXPORT_SYMBOL(i2c_get_match_data);
-static int i2c_device_match(struct device *dev, struct device_driver *drv)
+static int i2c_device_match(struct device *dev, const struct device_driver *drv)
{
struct i2c_client *client = i2c_verify_client(dev);
- struct i2c_driver *driver;
+ const struct i2c_driver *driver;
/* Attempt an OF style match */
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 3b4d6a8edca36d58f9201892e8beaa9cc6280f72..00a3e9d01547b96f695613231b7ff5c389df9694 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -301,10 +301,10 @@ static const struct device_type i3c_device_type = {
.uevent = i3c_device_uevent,
};
-static int i3c_device_match(struct device *dev, struct device_driver *drv)
+static int i3c_device_match(struct device *dev, const struct device_driver *drv)
{
struct i3c_device *i3cdev;
- struct i3c_driver *i3cdrv;
+ const struct i3c_driver *i3cdrv;
if (dev->type != &i3c_device_type)
return 0;
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index ad39ac6fa96d86d0254384581edeeb01e0ec36a2..10cc95867415a571a6ccdda8edf6788770791b0c 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -806,9 +806,9 @@ void gameport_unregister_driver(struct gameport_driver *drv)
}
EXPORT_SYMBOL(gameport_unregister_driver);
-static int gameport_bus_match(struct device *dev, struct device_driver *drv)
+static int gameport_bus_match(struct device *dev, const struct device_driver *drv)
{
- struct gameport_driver *gameport_drv = to_gameport_driver(drv);
+ const struct gameport_driver *gameport_drv = to_gameport_driver(drv);
return !gameport_drv->ignore;
}
diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index 343030290d78899a1c964e3e0e83b69aa58a10ab..3aee0483720533050c60014d843418740cf04a2d 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -144,9 +144,9 @@ bool rmi_is_function_device(struct device *dev)
return dev->type == &rmi_function_type;
}
-static int rmi_function_match(struct device *dev, struct device_driver *drv)
+static int rmi_function_match(struct device *dev, const struct device_driver *drv)
{
- struct rmi_function_handler *handler = to_rmi_function_handler(drv);
+ const struct rmi_function_handler *handler = to_rmi_function_handler(drv);
struct rmi_function *fn = to_rmi_function(dev);
return fn->fd.function_number == handler->func;
@@ -333,7 +333,7 @@ EXPORT_SYMBOL_GPL(rmi_unregister_function_handler);
/* Bus specific stuff */
-static int rmi_bus_match(struct device *dev, struct device_driver *drv)
+static int rmi_bus_match(struct device *dev, const struct device_driver *drv)
{
bool physical = rmi_is_physical_device(dev);
diff --git a/drivers/input/rmi4/rmi_bus.h b/drivers/input/rmi4/rmi_bus.h
index ea46ad9447eceba35398107fec880253089065df..d4d0d82c69aa32b0da9e3ee2694fb1157a4fbc67 100644
--- a/drivers/input/rmi4/rmi_bus.h
+++ b/drivers/input/rmi4/rmi_bus.h
@@ -87,7 +87,7 @@ struct rmi_function_handler {
};
#define to_rmi_function_handler(d) \
- container_of(d, struct rmi_function_handler, driver)
+ container_of_const(d, struct rmi_function_handler, driver)
int __must_check __rmi_register_function_handler(struct rmi_function_handler *,
struct module *, const char *);
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index ef9ea295f9e035fd3bb5ea733a009ba72f32a833..2168b6cd7167334d44553c9c566f870a4e034179 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -1258,7 +1258,7 @@ static struct rmi_driver rmi_physical_driver = {
.set_input_params = rmi_driver_set_input_params,
};
-bool rmi_is_physical_driver(struct device_driver *drv)
+bool rmi_is_physical_driver(const struct device_driver *drv)
{
return drv == &rmi_physical_driver.driver;
}
diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h
index 1c6c6086c0e5ab39169e9f36982aca7dddc8cc44..3bfe9013043ef3dff46249095a5b3116c8f7d9a6 100644
--- a/drivers/input/rmi4/rmi_driver.h
+++ b/drivers/input/rmi4/rmi_driver.h
@@ -84,7 +84,7 @@ int rmi_register_desc_calc_reg_offset(
bool rmi_register_desc_has_subpacket(const struct rmi_register_desc_item *item,
u8 subpacket);
-bool rmi_is_physical_driver(struct device_driver *);
+bool rmi_is_physical_driver(const struct device_driver *);
int rmi_register_physical_driver(void);
void rmi_unregister_physical_driver(void);
void rmi_free_function_list(struct rmi_device *rmi_dev);
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 04967494eeb6c1235904e143b921ef913a6d69ae..97d8eacb91127653b140f72956abed5c52f0ccff 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -877,10 +877,10 @@ static void serio_set_drv(struct serio *serio, struct serio_driver *drv)
serio_continue_rx(serio);
}
-static int serio_bus_match(struct device *dev, struct device_driver *drv)
+static int serio_bus_match(struct device *dev, const struct device_driver *drv)
{
struct serio *serio = to_serio_port(dev);
- struct serio_driver *serio_drv = to_serio_driver(drv);
+ const struct serio_driver *serio_drv = to_serio_driver(drv);
if (serio->manual_bind || serio_drv->manual_bind)
return 0;
diff --git a/drivers/ipack/ipack.c b/drivers/ipack/ipack.c
index 866bf48d803bc18a656f8c63b55acac2db66ad42..57d232c909f997d96fe98af2ff138b4d587d9516 100644
--- a/drivers/ipack/ipack.c
+++ b/drivers/ipack/ipack.c
@@ -13,7 +13,7 @@
#include <linux/ipack.h>
#define to_ipack_dev(device) container_of(device, struct ipack_device, dev)
-#define to_ipack_driver(drv) container_of(drv, struct ipack_driver, driver)
+#define to_ipack_driver(drv) container_of_const(drv, struct ipack_driver, driver)
static DEFINE_IDA(ipack_ida);
@@ -49,10 +49,10 @@ ipack_match_id(const struct ipack_device_id *ids, struct ipack_device *idev)
return NULL;
}
-static int ipack_bus_match(struct device *dev, struct device_driver *drv)
+static int ipack_bus_match(struct device *dev, const struct device_driver *drv)
{
struct ipack_device *idev = to_ipack_dev(dev);
- struct ipack_driver *idrv = to_ipack_driver(drv);
+ const struct ipack_driver *idrv = to_ipack_driver(drv);
const struct ipack_device_id *found_id;
found_id = ipack_match_id(idrv->id_table, idev);
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 565f1e21ff7dc0802c8e378a02bc723af84cb58b..13626205530d36dba99c4ed8cd88f581aaa6c6ac 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -36,7 +36,7 @@
static struct macio_chip *macio_on_hold;
-static int macio_bus_match(struct device *dev, struct device_driver *drv)
+static int macio_bus_match(struct device *dev, const struct device_driver *drv)
{
const struct of_device_id * matches = drv->of_match_table;
diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c
index 267045b765059db91809226fea95460502e73e79..91bbd948ee93180b139f25e931a00bf9735c7a01 100644
--- a/drivers/mcb/mcb-core.c
+++ b/drivers/mcb/mcb-core.c
@@ -28,9 +28,9 @@ static const struct mcb_device_id *mcb_match_id(const struct mcb_device_id *ids,
return NULL;
}
-static int mcb_match(struct device *dev, struct device_driver *drv)
+static int mcb_match(struct device *dev, const struct device_driver *drv)
{
- struct mcb_driver *mdrv = to_mcb_driver(drv);
+ const struct mcb_driver *mdrv = to_mcb_driver(drv);
struct mcb_device *mdev = to_mcb_device(dev);
const struct mcb_device_id *found_id;
diff --git a/drivers/media/pci/bt8xx/bttv-gpio.c b/drivers/media/pci/bt8xx/bttv-gpio.c
index 6b7fea50328c2f8b0bb6b6e4b64238c209d5e8cd..59a6f160aac798861cf734e692f0ca4871b6e64c 100644
--- a/drivers/media/pci/bt8xx/bttv-gpio.c
+++ b/drivers/media/pci/bt8xx/bttv-gpio.c
@@ -28,9 +28,9 @@
/* ----------------------------------------------------------------------- */
/* internal: the bttv "bus" */
-static int bttv_sub_bus_match(struct device *dev, struct device_driver *drv)
+static int bttv_sub_bus_match(struct device *dev, const struct device_driver *drv)
{
- struct bttv_sub_driver *sub = to_bttv_sub_drv(drv);
+ const struct bttv_sub_driver *sub = to_bttv_sub_drv(drv);
int len = strlen(sub->wanted);
if (0 == strncmp(dev_name(dev), sub->wanted, len))
diff --git a/drivers/media/pci/bt8xx/bttv.h b/drivers/media/pci/bt8xx/bttv.h
index eed7eeb3b96397e218b94413be19959841eefedd..97bbed980f98c39c59cf62eb0069211cd4a672f8 100644
--- a/drivers/media/pci/bt8xx/bttv.h
+++ b/drivers/media/pci/bt8xx/bttv.h
@@ -341,7 +341,7 @@ struct bttv_sub_driver {
int (*probe)(struct bttv_sub_device *sub);
void (*remove)(struct bttv_sub_device *sub);
};
-#define to_bttv_sub_drv(x) container_of((x), struct bttv_sub_driver, drv)
+#define to_bttv_sub_drv(x) container_of_const((x), struct bttv_sub_driver, drv)
int bttv_sub_register(struct bttv_sub_driver *drv, char *wanted);
int bttv_sub_unregister(struct bttv_sub_driver *drv);
diff --git a/drivers/media/pci/intel/ipu6/ipu6-bus.h b/drivers/media/pci/intel/ipu6/ipu6-bus.h
index b26c6aee1621522c14a21a444a6d305d80131666..bb4926dfdf08802b03ef4634fecec63431c09d1a 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-bus.h
+++ b/drivers/media/pci/intel/ipu6/ipu6-bus.h
@@ -21,7 +21,7 @@ struct ipu6_buttress_ctrl;
struct ipu6_bus_device {
struct auxiliary_device auxdev;
- struct auxiliary_driver *auxdrv;
+ const struct auxiliary_driver *auxdrv;
const struct ipu6_auxdrv_data *auxdrv_data;
struct list_head list;
void *pdata;
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index 23fea51ecbdd1eb05e60fb60b77a03cbb37356fd..9a3a784054cc6cefb4bc66e25674dcf1a63eb62d 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -38,13 +38,12 @@ static int memstick_dev_match(struct memstick_dev *card,
return 0;
}
-static int memstick_bus_match(struct device *dev, struct device_driver *drv)
+static int memstick_bus_match(struct device *dev, const struct device_driver *drv)
{
struct memstick_dev *card = container_of(dev, struct memstick_dev,
dev);
- struct memstick_driver *ms_drv = container_of(drv,
- struct memstick_driver,
- driver);
+ const struct memstick_driver *ms_drv = container_of_const(drv, struct memstick_driver,
+ driver);
struct memstick_device_id *ids = ms_drv->id_table;
if (ids) {
diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index 16ca23311cab4931192500bd271c708a52d8d4ed..be08eaee0a905a6ff7a0cfa540a3599ea2de1962 100644
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -20,7 +20,7 @@
#define to_mcp(d) container_of(d, struct mcp, attached_device)
#define to_mcp_driver(d) container_of(d, struct mcp_driver, drv)
-static int mcp_bus_match(struct device *dev, struct device_driver *drv)
+static int mcp_bus_match(struct device *dev, const struct device_driver *drv)
{
return 1;
}
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 99393f610cdf6dda8ca00326f110f61e4eba4aa6..5576146ab13bcb4a009d9012c82642648dd9645c 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -19,7 +19,7 @@
#include "mei_dev.h"
#include "client.h"
-#define to_mei_cl_driver(d) container_of(d, struct mei_cl_driver, driver)
+#define to_mei_cl_driver(d) container_of_const(d, struct mei_cl_driver, driver)
/**
* __mei_cl_send - internal client send (write)
@@ -1124,7 +1124,7 @@ struct mei_cl_device_id *mei_cl_device_find(const struct mei_cl_device *cldev,
*
* Return: 1 if matching device was found 0 otherwise
*/
-static int mei_cl_device_match(struct device *dev, struct device_driver *drv)
+static int mei_cl_device_match(struct device *dev, const struct device_driver *drv)
{
const struct mei_cl_device *cldev = to_mei_cl_device(dev);
const struct mei_cl_driver *cldrv = to_mei_cl_driver(drv);
diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
index fd9c3cbbc51ed272af2620fb11fdd411d9ddc845..12355d34e193c0e8ffbe31f8f404f0319adc0c70 100644
--- a/drivers/misc/tifm_core.c
+++ b/drivers/misc/tifm_core.c
@@ -38,11 +38,11 @@ static int tifm_dev_match(struct tifm_dev *sock, struct tifm_device_id *id)
return 0;
}
-static int tifm_bus_match(struct device *dev, struct device_driver *drv)
+static int tifm_bus_match(struct device *dev, const struct device_driver *drv)
{
struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
- struct tifm_driver *fm_drv = container_of(drv, struct tifm_driver,
- driver);
+ const struct tifm_driver *fm_drv = container_of_const(drv, struct tifm_driver,
+ driver);
struct tifm_device_id *ids = fm_drv->id_table;
if (ids) {
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index c5fdfe2325f8f49a1f88cf18d510b72e4f6c3753..b66b637e2d574a6c85fce2f1083e3a9d035be6d7 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -26,7 +26,7 @@
#include "sdio_cis.h"
#include "sdio_bus.h"
-#define to_sdio_driver(d) container_of(d, struct sdio_driver, drv)
+#define to_sdio_driver(d) container_of_const(d, struct sdio_driver, drv)
/* show configuration fields */
#define sdio_config_attr(field, format_string, args...) \
@@ -91,7 +91,7 @@ static const struct sdio_device_id *sdio_match_one(struct sdio_func *func,
}
static const struct sdio_device_id *sdio_match_device(struct sdio_func *func,
- struct sdio_driver *sdrv)
+ const struct sdio_driver *sdrv)
{
const struct sdio_device_id *ids;
@@ -108,10 +108,10 @@ static const struct sdio_device_id *sdio_match_device(struct sdio_func *func,
return NULL;
}
-static int sdio_bus_match(struct device *dev, struct device_driver *drv)
+static int sdio_bus_match(struct device *dev, const struct device_driver *drv)
{
struct sdio_func *func = dev_to_sdio_func(dev);
- struct sdio_driver *sdrv = to_sdio_driver(drv);
+ const struct sdio_driver *sdrv = to_sdio_driver(drv);
if (sdio_match_device(func, sdrv))
return 1;
@@ -129,7 +129,7 @@ sdio_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
"SDIO_CLASS=%02X", func->class))
return -ENOMEM;
- if (add_uevent_var(env,
+ if (add_uevent_var(env,
"SDIO_ID=%04X:%04X", func->vendor, func->device))
return -ENOMEM;
diff --git a/drivers/most/core.c b/drivers/most/core.c
index 10342e8801bf22858ef37684a09f9f33bd23de63..a635d5082ebb64231d824a664a79bd76273068b9 100644
--- a/drivers/most/core.c
+++ b/drivers/most/core.c
@@ -491,7 +491,7 @@ static int print_links(struct device *dev, void *data)
return 0;
}
-static int most_match(struct device *dev, struct device_driver *drv)
+static int most_match(struct device *dev, const struct device_driver *drv)
{
if (!strcmp(dev_name(dev), "most"))
return 0;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index ba3fa1c2e5d9ab49cb8c31de1336b6c6627198ab..b9e7d3e7b15d073ad5dd9986008165eebfacee04 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -239,7 +239,7 @@ void bnxt_ulp_stop(struct bnxt *bp)
adev = &aux_priv->aux_dev;
if (adev->dev.driver) {
- struct auxiliary_driver *adrv;
+ const struct auxiliary_driver *adrv;
pm_message_t pm = {};
adrv = to_auxiliary_drv(adev->dev.driver);
@@ -277,7 +277,7 @@ void bnxt_ulp_start(struct bnxt *bp, int err)
adev = &aux_priv->aux_dev;
if (adev->dev.driver) {
- struct auxiliary_driver *adrv;
+ const struct auxiliary_driver *adrv;
adrv = to_auxiliary_drv(adev->dev.driver);
edev->en_state = bp->state;
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 51fac8f18cb0b9d65befcee38a461340ceb9baa2..e2786cc1328611a4b2dae3b5ba88211d2e7e57bc 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -2915,7 +2915,7 @@ static struct ice_pf *
ice_ptp_aux_dev_to_owner_pf(struct auxiliary_device *aux_dev)
{
struct ice_ptp_port_owner *ports_owner;
- struct auxiliary_driver *aux_drv;
+ const struct auxiliary_driver *aux_drv;
struct ice_ptp *owner_ptp;
if (!aux_dev->dev.driver)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index 47e7c2639774fd8c6d6aa11142d23039735aa506..9a79674d27f15af2b003b0224036871f77c9ca20 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -349,7 +349,7 @@ int mlx5_attach_device(struct mlx5_core_dev *dev)
{
struct mlx5_priv *priv = &dev->priv;
struct auxiliary_device *adev;
- struct auxiliary_driver *adrv;
+ const struct auxiliary_driver *adrv;
int ret = 0, i;
devl_assert_locked(priv_to_devlink(dev));
@@ -406,7 +406,7 @@ void mlx5_detach_device(struct mlx5_core_dev *dev, bool suspend)
{
struct mlx5_priv *priv = &dev->priv;
struct auxiliary_device *adev;
- struct auxiliary_driver *adrv;
+ const struct auxiliary_driver *adrv;
pm_message_t pm = {};
int i;
diff --git a/drivers/net/ethernet/renesas/rtsn.c b/drivers/net/ethernet/renesas/rtsn.c
index 577227c007ab428645a63447371805c63f8c6705..0e6cea42f007710992ce7cd126e58af1078c1c45 100644
--- a/drivers/net/ethernet/renesas/rtsn.c
+++ b/drivers/net/ethernet/renesas/rtsn.c
@@ -1358,7 +1358,7 @@ static int rtsn_probe(struct platform_device *pdev)
return ret;
}
-static int rtsn_remove(struct platform_device *pdev)
+static void rtsn_remove(struct platform_device *pdev)
{
struct rtsn_private *priv = platform_get_drvdata(pdev);
@@ -1372,8 +1372,6 @@ static int rtsn_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
free_netdev(priv->ndev);
-
- return 0;
}
static struct platform_driver rtsn_driver = {
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 8b9ead76e40ec03ef6d485abec92cc0208eb75c0..7e2f10182c0cf37bef4cea1820863f047b5cb466 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -1375,9 +1375,9 @@ EXPORT_SYMBOL_GPL(mdiobus_c45_modify_changed);
* require calling the devices own match function, since different classes
* of MDIO devices have different match criteria.
*/
-static int mdio_bus_match(struct device *dev, struct device_driver *drv)
+static int mdio_bus_match(struct device *dev, const struct device_driver *drv)
{
- struct mdio_driver *mdiodrv = to_mdio_driver(drv);
+ const struct mdio_driver *mdiodrv = to_mdio_driver(drv);
struct mdio_device *mdio = to_mdio_device(dev);
/* Both the driver and device must type-match */
diff --git a/drivers/net/phy/mdio_device.c b/drivers/net/phy/mdio_device.c
index 73f6539b9e50617e1bfa04deeaf0e692a8b774fe..e747ee63c665f785c5dc24b4bfa788cf879d8b0e 100644
--- a/drivers/net/phy/mdio_device.c
+++ b/drivers/net/phy/mdio_device.c
@@ -35,10 +35,10 @@ static void mdio_device_release(struct device *dev)
kfree(to_mdio_device(dev));
}
-int mdio_device_bus_match(struct device *dev, struct device_driver *drv)
+int mdio_device_bus_match(struct device *dev, const struct device_driver *drv)
{
struct mdio_device *mdiodev = to_mdio_device(dev);
- struct mdio_driver *mdiodrv = to_mdio_driver(drv);
+ const struct mdio_driver *mdiodrv = to_mdio_driver(drv);
if (mdiodrv->mdiodrv.flags & MDIO_DEVICE_IS_PHY)
return 0;
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 70b07e621fb2adbb10d88a5de159df14e4fa50bb..7752e9386b40625ff7fd5c70118632ab2e1ce292 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -533,10 +533,10 @@ static int phy_scan_fixups(struct phy_device *phydev)
return 0;
}
-static int phy_bus_match(struct device *dev, struct device_driver *drv)
+static int phy_bus_match(struct device *dev, const struct device_driver *drv)
{
struct phy_device *phydev = to_phy_device(dev);
- struct phy_driver *phydrv = to_phy_driver(drv);
+ const struct phy_driver *phydrv = to_phy_driver(drv);
const int num_ids = ARRAY_SIZE(phydev->c45_ids.device_ids);
int i;
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index f9e7847a378e771ce2fee12eaf17319272cf96a9..77e55debeed61b206fa76a81b9a568b75e3fed37 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -284,7 +284,7 @@ static void ntb_memcpy_rx(struct ntb_queue_entry *entry, void *offset);
static int ntb_transport_bus_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
return !strncmp(dev_name(dev), drv->name, strlen(drv->name));
}
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 508aed017ddc0308ba81346082b60515106c8545..2237715e42eb32a14a4134746739a0df5ca27414 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -25,9 +25,12 @@
int nvdimm_major;
static int nvdimm_bus_major;
-static struct class *nd_class;
static DEFINE_IDA(nd_ida);
+static const struct class nd_class = {
+ .name = "nd",
+};
+
static int to_nd_device_type(const struct device *dev)
{
if (is_nvdimm(dev))
@@ -269,7 +272,7 @@ long nvdimm_clear_poison(struct device *dev, phys_addr_t phys,
}
EXPORT_SYMBOL_GPL(nvdimm_clear_poison);
-static int nvdimm_bus_match(struct device *dev, struct device_driver *drv);
+static int nvdimm_bus_match(struct device *dev, const struct device_driver *drv);
static const struct bus_type nvdimm_bus_type = {
.name = "nd",
@@ -465,9 +468,9 @@ static struct nd_device_driver nd_bus_driver = {
},
};
-static int nvdimm_bus_match(struct device *dev, struct device_driver *drv)
+static int nvdimm_bus_match(struct device *dev, const struct device_driver *drv)
{
- struct nd_device_driver *nd_drv = to_nd_device_driver(drv);
+ const struct nd_device_driver *nd_drv = to_nd_device_driver(drv);
if (is_nvdimm_bus(dev) && nd_drv == &nd_bus_driver)
return true;
@@ -742,7 +745,7 @@ int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus)
device_initialize(dev);
lockdep_set_class(&dev->mutex, &nvdimm_ndctl_key);
device_set_pm_not_required(dev);
- dev->class = nd_class;
+ dev->class = &nd_class;
dev->parent = &nvdimm_bus->dev;
dev->devt = devt;
dev->release = ndctl_release;
@@ -765,7 +768,7 @@ int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus)
void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus)
{
- device_destroy(nd_class, MKDEV(nvdimm_bus_major, nvdimm_bus->id));
+ device_destroy(&nd_class, MKDEV(nvdimm_bus_major, nvdimm_bus->id));
}
static const struct nd_cmd_desc __nd_cmd_dimm_descs[] = {
@@ -1320,11 +1323,9 @@ int __init nvdimm_bus_init(void)
goto err_dimm_chrdev;
nvdimm_major = rc;
- nd_class = class_create("nd");
- if (IS_ERR(nd_class)) {
- rc = PTR_ERR(nd_class);
+ rc = class_register(&nd_class);
+ if (rc)
goto err_class;
- }
rc = driver_register(&nd_bus_driver.drv);
if (rc)
@@ -1333,7 +1334,7 @@ int __init nvdimm_bus_init(void)
return 0;
err_nd_bus:
- class_destroy(nd_class);
+ class_unregister(&nd_class);
err_class:
unregister_chrdev(nvdimm_major, "dimmctl");
err_dimm_chrdev:
@@ -1347,7 +1348,7 @@ int __init nvdimm_bus_init(void)
void nvdimm_bus_exit(void)
{
driver_unregister(&nd_bus_driver.drv);
- class_destroy(nd_class);
+ class_unregister(&nd_class);
unregister_chrdev(nvdimm_bus_major, "ndctl");
unregister_chrdev(nvdimm_major, "dimmctl");
bus_unregister(&nvdimm_bus_type);
diff --git a/drivers/nvdimm/e820.c b/drivers/nvdimm/e820.c
index 008b9aae74ff77346aec651fb2bf153722758817..0982215371ba0ded18b860828101bb938e86f756 100644
--- a/drivers/nvdimm/e820.c
+++ b/drivers/nvdimm/e820.c
@@ -9,12 +9,11 @@
#include <linux/module.h>
#include <linux/numa.h>
-static int e820_pmem_remove(struct platform_device *pdev)
+static void e820_pmem_remove(struct platform_device *pdev)
{
struct nvdimm_bus *nvdimm_bus = platform_get_drvdata(pdev);
nvdimm_bus_unregister(nvdimm_bus);
- return 0;
}
static int e820_register_one(struct resource *res, void *data)
@@ -60,7 +59,7 @@ static int e820_pmem_probe(struct platform_device *pdev)
static struct platform_driver e820_pmem_driver = {
.probe = e820_pmem_probe,
- .remove = e820_pmem_remove,
+ .remove_new = e820_pmem_remove,
.driver = {
.name = "e820_pmem",
},
diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c
index 5134a8d08bf95ae3b7dc6f022083cc75e8c2312e..403384f25ce3f112ce1304e5061942de3bce6aba 100644
--- a/drivers/nvdimm/of_pmem.c
+++ b/drivers/nvdimm/of_pmem.c
@@ -84,14 +84,12 @@ static int of_pmem_region_probe(struct platform_device *pdev)
return 0;
}
-static int of_pmem_region_remove(struct platform_device *pdev)
+static void of_pmem_region_remove(struct platform_device *pdev)
{
struct of_pmem_private *priv = platform_get_drvdata(pdev);
nvdimm_bus_unregister(priv->bus);
kfree(priv);
-
- return 0;
}
static const struct of_device_id of_pmem_region_match[] = {
@@ -102,7 +100,7 @@ static const struct of_device_id of_pmem_region_match[] = {
static struct platform_driver of_pmem_region_driver = {
.probe = of_pmem_region_probe,
- .remove = of_pmem_region_remove,
+ .remove_new = of_pmem_region_remove,
.driver = {
.name = "of_pmem",
.of_match_table = of_pmem_region_match,
diff --git a/drivers/nvmem/layouts.c b/drivers/nvmem/layouts.c
index 64dc7013a0984430b8051fc05c2e1090b1fa48fc..77a4119efea8f867dffb5376486f000b95ba8b5a 100644
--- a/drivers/nvmem/layouts.c
+++ b/drivers/nvmem/layouts.c
@@ -17,11 +17,11 @@
#include "internals.h"
#define to_nvmem_layout_driver(drv) \
- (container_of((drv), struct nvmem_layout_driver, driver))
+ (container_of_const((drv), struct nvmem_layout_driver, driver))
#define to_nvmem_layout_device(_dev) \
container_of((_dev), struct nvmem_layout, dev)
-static int nvmem_layout_bus_match(struct device *dev, struct device_driver *drv)
+static int nvmem_layout_bus_match(struct device *dev, const struct device_driver *drv)
{
return of_driver_match_device(dev, drv);
}
diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 2d34f783b36e1edd73bd42df7537b29d03cdd616..427abdf3c4c4a884b839c6244f9e71753273bd12 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -128,7 +128,7 @@ static int parport_probe(struct device *dev)
return drv->probe(to_pardevice(dev));
}
-static struct bus_type parport_bus_type = {
+static const struct bus_type parport_bus_type = {
.name = "parport",
.probe = parport_probe,
};
diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index 323f2a60ab16b345ca29f598cc21219d892bfade..8fa2797d4169a9f21136bbf73daa818da6c4ac49 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -488,10 +488,10 @@ pci_epf_match_id(const struct pci_epf_device_id *id, const struct pci_epf *epf)
return NULL;
}
-static int pci_epf_device_match(struct device *dev, struct device_driver *drv)
+static int pci_epf_device_match(struct device *dev, const struct device_driver *drv)
{
struct pci_epf *epf = to_pci_epf(dev);
- struct pci_epf_driver *driver = to_pci_epf_driver(drv);
+ const struct pci_epf_driver *driver = to_pci_epf_driver(drv);
if (driver->id_table)
return !!pci_epf_match_id(driver->id_table, epf);
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index af2996d0d17ffc0fa2ae730eb09d58243cf79a5b..f412ef73a6e4b18cafec662f06ed10564a4d0b05 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -1503,7 +1503,7 @@ EXPORT_SYMBOL(pci_dev_driver);
* system is in its list of supported devices. Returns the matching
* pci_device_id structure or %NULL if there is no match.
*/
-static int pci_bus_match(struct device *dev, struct device_driver *drv)
+static int pci_bus_match(struct device *dev, const struct device_driver *drv)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
struct pci_driver *pci_drv;
@@ -1512,7 +1512,7 @@ static int pci_bus_match(struct device *dev, struct device_driver *drv)
if (!pci_dev->match_driver)
return 0;
- pci_drv = to_pci_driver(drv);
+ pci_drv = (struct pci_driver *)to_pci_driver(drv);
found_id = pci_match_device(pci_drv, pci_dev);
if (found_id)
return 1;
@@ -1688,10 +1688,10 @@ struct bus_type pci_bus_type = {
EXPORT_SYMBOL(pci_bus_type);
#ifdef CONFIG_PCIEPORTBUS
-static int pcie_port_bus_match(struct device *dev, struct device_driver *drv)
+static int pcie_port_bus_match(struct device *dev, const struct device_driver *drv)
{
struct pcie_device *pciedev;
- struct pcie_port_service_driver *driver;
+ const struct pcie_port_service_driver *driver;
if (drv->bus != &pcie_port_bus_type || dev->bus != &pcie_port_bus_type)
return 0;
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index d3cfd353fb935e2333a459009630dc7179415d06..da6f66f357cc10d08bca43d7057efa668e4445cf 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -900,7 +900,7 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
}
-static int pcmcia_bus_match(struct device *dev, struct device_driver *drv)
+static int pcmcia_bus_match(struct device *dev, const struct device_driver *drv)
{
struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
struct pcmcia_driver *p_drv = to_pcmcia_drv(drv);
diff --git a/drivers/peci/core.c b/drivers/peci/core.c
index 8ff3e5d225aee22090c00c48ed78106dde6c9bef..25e46579dd9c440349d13b03a2753abc77c2c545 100644
--- a/drivers/peci/core.c
+++ b/drivers/peci/core.c
@@ -172,10 +172,10 @@ peci_bus_match_device_id(const struct peci_device_id *id, struct peci_device *de
return NULL;
}
-static int peci_bus_device_match(struct device *dev, struct device_driver *drv)
+static int peci_bus_device_match(struct device *dev, const struct device_driver *drv)
{
struct peci_device *device = to_peci_device(dev);
- struct peci_driver *peci_drv = to_peci_driver(drv);
+ const struct peci_driver *peci_drv = to_peci_driver(drv);
if (dev->type != &peci_device_type)
return 0;
diff --git a/drivers/peci/internal.h b/drivers/peci/internal.h
index 7a4f6eae2f90f6b4462446c948a3937feb62d254..99924a118c8c217b0293b815c04f401891606301 100644
--- a/drivers/peci/internal.h
+++ b/drivers/peci/internal.h
@@ -96,10 +96,7 @@ struct peci_driver {
const struct peci_device_id *id_table;
};
-static inline struct peci_driver *to_peci_driver(struct device_driver *d)
-{
- return container_of(d, struct peci_driver, driver);
-}
+#define to_peci_driver(__drv) container_of_const(__drv, struct peci_driver, driver)
int __peci_driver_register(struct peci_driver *driver, struct module *owner,
const char *mod_name);
diff --git a/drivers/platform/surface/aggregator/bus.c b/drivers/platform/surface/aggregator/bus.c
index 118caa651bec4267fc2bf1653ef68bfe97ba594b..af8d573aae93a7daa5ace8c3041f2131e129ade2 100644
--- a/drivers/platform/surface/aggregator/bus.c
+++ b/drivers/platform/surface/aggregator/bus.c
@@ -306,9 +306,9 @@ const void *ssam_device_get_match_data(const struct ssam_device *dev)
}
EXPORT_SYMBOL_GPL(ssam_device_get_match_data);
-static int ssam_bus_match(struct device *dev, struct device_driver *drv)
+static int ssam_bus_match(struct device *dev, const struct device_driver *drv)
{
- struct ssam_device_driver *sdrv = to_ssam_device_driver(drv);
+ const struct ssam_device_driver *sdrv = to_ssam_device_driver(drv);
struct ssam_device *sdev = to_ssam_device(dev);
if (!is_ssam_device(dev))
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 6bfae28b962a02ae7cbbc568b9ef2344e9b63e60..1d0b2d6040d1b44952724a40fb82b354698a451b 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -727,10 +727,7 @@ char *wmi_get_acpi_device_uid(const char *guid_string)
}
EXPORT_SYMBOL_GPL(wmi_get_acpi_device_uid);
-static inline struct wmi_driver *drv_to_wdrv(struct device_driver *drv)
-{
- return container_of(drv, struct wmi_driver, driver);
-}
+#define drv_to_wdrv(__drv) container_of_const(__drv, struct wmi_driver, driver)
/*
* sysfs interface
@@ -877,9 +874,9 @@ static void wmi_dev_release(struct device *dev)
kfree(wblock);
}
-static int wmi_dev_match(struct device *dev, struct device_driver *driver)
+static int wmi_dev_match(struct device *dev, const struct device_driver *driver)
{
- struct wmi_driver *wmi_driver = drv_to_wdrv(driver);
+ const struct wmi_driver *wmi_driver = drv_to_wdrv(driver);
struct wmi_block *wblock = dev_to_wblock(dev);
const struct wmi_device_id *id = wmi_driver->id_table;
diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
index 3483e52e3a81d13d6dbc3e68882fa8b7535e03bf..7de7aabb275e69ec0025082032bf80a0181585f2 100644
--- a/drivers/pnp/driver.c
+++ b/drivers/pnp/driver.c
@@ -41,7 +41,7 @@ int compare_pnp_id(struct pnp_id *pos, const char *id)
return 0;
}
-static const struct pnp_device_id *match_device(struct pnp_driver *drv,
+static const struct pnp_device_id *match_device(const struct pnp_driver *drv,
struct pnp_dev *dev)
{
const struct pnp_device_id *drv_id = drv->id_table;
@@ -150,10 +150,10 @@ static void pnp_device_shutdown(struct device *dev)
drv->shutdown(pnp_dev);
}
-static int pnp_bus_match(struct device *dev, struct device_driver *drv)
+static int pnp_bus_match(struct device *dev, const struct device_driver *drv)
{
struct pnp_dev *pnp_dev = to_pnp_dev(dev);
- struct pnp_driver *pnp_drv = to_pnp_driver(drv);
+ const struct pnp_driver *pnp_drv = to_pnp_driver(drv);
if (match_device(pnp_drv, pnp_dev) == NULL)
return 0;
diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c
index 2f4b11b4dfcd917dff59a5b914dfc50184b97fc9..791fdc9326dd60bc2a1dd8331a2ed7c0058864b2 100644
--- a/drivers/pps/clients/pps-gpio.c
+++ b/drivers/pps/clients/pps-gpio.c
@@ -220,7 +220,7 @@ static int pps_gpio_probe(struct platform_device *pdev)
return 0;
}
-static int pps_gpio_remove(struct platform_device *pdev)
+static void pps_gpio_remove(struct platform_device *pdev)
{
struct pps_gpio_device_data *data = platform_get_drvdata(pdev);
@@ -229,7 +229,6 @@ static int pps_gpio_remove(struct platform_device *pdev)
/* reset echo pin in any case */
gpiod_set_value(data->echo_pin, 0);
dev_info(&pdev->dev, "removed IRQ %d as PPS source\n", data->irq);
- return 0;
}
static const struct of_device_id pps_gpio_dt_ids[] = {
@@ -240,7 +239,7 @@ MODULE_DEVICE_TABLE(of, pps_gpio_dt_ids);
static struct platform_driver pps_gpio_driver = {
.probe = pps_gpio_probe,
- .remove = pps_gpio_remove,
+ .remove_new = pps_gpio_remove,
.driver = {
.name = PPS_GPIO_NAME,
.of_match_table = pps_gpio_dt_ids,
diff --git a/drivers/rapidio/rio-driver.c b/drivers/rapidio/rio-driver.c
index 1b3b4c2e015d34f240d3a6fde7a433f03df4a0e3..238250e690059527f452834d566851e85086a04c 100644
--- a/drivers/rapidio/rio-driver.c
+++ b/drivers/rapidio/rio-driver.c
@@ -186,10 +186,10 @@ EXPORT_SYMBOL_GPL(rio_attach_device);
* there is a matching &struct rio_device_id or 0 if there is
* no match.
*/
-static int rio_match_bus(struct device *dev, struct device_driver *drv)
+static int rio_match_bus(struct device *dev, const struct device_driver *drv)
{
struct rio_dev *rdev = to_rio_dev(dev);
- struct rio_driver *rdrv = to_rio_driver(drv);
+ const struct rio_driver *rdrv = to_rio_driver(drv);
const struct rio_device_id *id = rdrv->id_table;
const struct rio_device_id *found_id;
diff --git a/drivers/reset/reset-meson-audio-arb.c b/drivers/reset/reset-meson-audio-arb.c
index 894ad9d37a6659e32e1827f471e286c2f6ceacf8..421ccb40da8c7392ed292badf6286f40293551dc 100644
--- a/drivers/reset/reset-meson-audio-arb.c
+++ b/drivers/reset/reset-meson-audio-arb.c
@@ -120,7 +120,7 @@ static const struct of_device_id meson_audio_arb_of_match[] = {
};
MODULE_DEVICE_TABLE(of, meson_audio_arb_of_match);
-static int meson_audio_arb_remove(struct platform_device *pdev)
+static void meson_audio_arb_remove(struct platform_device *pdev)
{
struct meson_audio_arb_data *arb = platform_get_drvdata(pdev);
@@ -128,8 +128,6 @@ static int meson_audio_arb_remove(struct platform_device *pdev)
spin_lock(&arb->lock);
writel(0, arb->regs);
spin_unlock(&arb->lock);
-
- return 0;
}
static int meson_audio_arb_probe(struct platform_device *pdev)
@@ -182,7 +180,7 @@ static int meson_audio_arb_probe(struct platform_device *pdev)
static struct platform_driver meson_audio_arb_pdrv = {
.probe = meson_audio_arb_probe,
- .remove = meson_audio_arb_remove,
+ .remove_new = meson_audio_arb_remove,
.driver = {
.name = "meson-audio-arb-reset",
.of_match_table = meson_audio_arb_of_match,
diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
index 255c894a47820f16b304560645e76f1396cee4f3..1cd157f4f03b4713ebee95cabe0f21d7c7f13933 100644
--- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
@@ -192,7 +192,7 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev)
return error;
}
-static int rzg2l_usbphy_ctrl_remove(struct platform_device *pdev)
+static void rzg2l_usbphy_ctrl_remove(struct platform_device *pdev)
{
struct rzg2l_usbphy_ctrl_priv *priv = dev_get_drvdata(&pdev->dev);
@@ -200,8 +200,6 @@ static int rzg2l_usbphy_ctrl_remove(struct platform_device *pdev)
pm_runtime_put(&pdev->dev);
pm_runtime_disable(&pdev->dev);
reset_control_assert(priv->rstc);
-
- return 0;
}
static struct platform_driver rzg2l_usbphy_ctrl_driver = {
@@ -210,7 +208,7 @@ static struct platform_driver rzg2l_usbphy_ctrl_driver = {
.of_match_table = rzg2l_usbphy_ctrl_match_table,
},
.probe = rzg2l_usbphy_ctrl_probe,
- .remove = rzg2l_usbphy_ctrl_remove,
+ .remove_new = rzg2l_usbphy_ctrl_remove,
};
module_platform_driver(rzg2l_usbphy_ctrl_driver);
diff --git a/drivers/reset/reset-ti-sci.c b/drivers/reset/reset-ti-sci.c
index cc01fa5b0bea7830064d926cfb6e3612f9eb8277..d384da0982fa1e053bf79530801a9ca692f1303b 100644
--- a/drivers/reset/reset-ti-sci.c
+++ b/drivers/reset/reset-ti-sci.c
@@ -235,20 +235,18 @@ static int ti_sci_reset_probe(struct platform_device *pdev)
return reset_controller_register(&data->rcdev);
}
-static int ti_sci_reset_remove(struct platform_device *pdev)
+static void ti_sci_reset_remove(struct platform_device *pdev)
{
struct ti_sci_reset_data *data = platform_get_drvdata(pdev);
reset_controller_unregister(&data->rcdev);
idr_destroy(&data->idr);
-
- return 0;
}
static struct platform_driver ti_sci_reset_driver = {
.probe = ti_sci_reset_probe,
- .remove = ti_sci_reset_remove,
+ .remove_new = ti_sci_reset_remove,
.driver = {
.name = "ti-sci-reset",
.of_match_table = ti_sci_reset_of_match,
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 0fa08266404dd3c7d7a9d1a7bac348ca571fc042..712c06c02696663821c8c884bcbd83036098899b 100644
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -493,10 +493,10 @@ static inline int rpmsg_id_match(const struct rpmsg_device *rpdev,
}
/* match rpmsg channel and rpmsg driver */
-static int rpmsg_dev_match(struct device *dev, struct device_driver *drv)
+static int rpmsg_dev_match(struct device *dev, const struct device_driver *drv)
{
struct rpmsg_device *rpdev = to_rpmsg_device(dev);
- struct rpmsg_driver *rpdrv = to_rpmsg_driver(drv);
+ const struct rpmsg_driver *rpdrv = to_rpmsg_driver(drv);
const struct rpmsg_device_id *ids = rpdrv->id_table;
unsigned int i;
diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
index a3ba768138f15a02ff6bd51a0b7f17640d9fa024..42c7007be1b58ff91707f941c6fee5b28b1d958a 100644
--- a/drivers/rpmsg/rpmsg_internal.h
+++ b/drivers/rpmsg/rpmsg_internal.h
@@ -16,7 +16,7 @@
#include <linux/poll.h>
#define to_rpmsg_device(d) container_of(d, struct rpmsg_device, dev)
-#define to_rpmsg_driver(d) container_of(d, struct rpmsg_driver, drv)
+#define to_rpmsg_driver(d) container_of_const(d, struct rpmsg_driver, drv)
extern const struct class rpmsg_class;
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 781f84901256c529334b8bc332eee7b953952cb3..53b68f8c32f3bc83248789ec737c27b194cfe4c5 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -1354,10 +1354,10 @@ int sch_is_pseudo_sch(struct subchannel *sch)
return sch == to_css(sch->dev.parent)->pseudo_subchannel;
}
-static int css_bus_match(struct device *dev, struct device_driver *drv)
+static int css_bus_match(struct device *dev, const struct device_driver *drv)
{
struct subchannel *sch = to_subchannel(dev);
- struct css_driver *driver = to_cssdriver(drv);
+ const struct css_driver *driver = to_cssdriver(drv);
struct css_device_id *id;
/* When driver_override is set, only bind to the matching driver */
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index c2b175592bb7360e32a5063030204aa5f203a1dc..a65a27dc520c590496dd98f5c0853c9fb9185f23 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -103,7 +103,7 @@ struct css_driver {
int (*settle)(void);
};
-#define to_cssdriver(n) container_of(n, struct css_driver, drv)
+#define to_cssdriver(n) container_of_const(n, struct css_driver, drv)
extern int css_driver_register(struct css_driver *);
extern void css_driver_unregister(struct css_driver *);
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 920f550bc313bf6c036ed11c539d4319852cb2dd..b0f23242e1714593fffa895e1ad08a79e8b3955d 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -58,10 +58,10 @@ static const struct bus_type ccw_bus_type;
* subsystem driver and one channel system per machine, but
* we still use the abstraction. T.R. says it's a good idea. */
static int
-ccw_bus_match (struct device * dev, struct device_driver * drv)
+ccw_bus_match (struct device * dev, const struct device_driver * drv)
{
struct ccw_device *cdev = to_ccwdev(dev);
- struct ccw_driver *cdrv = to_ccwdrv(drv);
+ const struct ccw_driver *cdrv = to_ccwdrv(drv);
const struct ccw_device_id *ids = cdrv->ids, *found;
if (!ids)
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 898865be0dad91ea2d15276a0ecb31771ea16628..0998b17ecb37e28ed3be85f55051bd87b16519c4 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -552,9 +552,9 @@ static void ap_poll_thread_stop(void)
*
* AP bus driver registration/unregistration.
*/
-static int ap_bus_match(struct device *dev, struct device_driver *drv)
+static int ap_bus_match(struct device *dev, const struct device_driver *drv)
{
- struct ap_driver *ap_drv = to_ap_drv(drv);
+ const struct ap_driver *ap_drv = to_ap_drv(drv);
struct ap_device_id *id;
/*
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index fdbc6fdfdf576f583a09b363989a7feeae950f07..0b275c719319645368f2bfba3fb59e78888e361e 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -158,7 +158,7 @@ struct ap_driver {
struct ap_config_info *old_config_info);
};
-#define to_ap_drv(x) container_of((x), struct ap_driver, driver)
+#define to_ap_drv(x) container_of_const((x), struct ap_driver, driver)
int ap_driver_register(struct ap_driver *, struct module *, char *);
void ap_driver_unregister(struct ap_driver *);
diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c
index 453665ac6020b2d41513901a9a8d261f66cc5352..7d3b904af9e80f8f052be1900d8fce2918bb36a9 100644
--- a/drivers/scsi/fcoe/fcoe_sysfs.c
+++ b/drivers/scsi/fcoe/fcoe_sysfs.c
@@ -600,7 +600,7 @@ static const struct attribute_group *fcoe_fcf_attr_groups[] = {
static const struct bus_type fcoe_bus_type;
static int fcoe_bus_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
if (dev->bus == &fcoe_bus_type)
return 1;
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index b5aae4e8ae33f7316007dcde580d80db792bba58..32f94db6d6bf5d2bd289c1a121da7ffc6a7cb2ff 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -528,7 +528,7 @@ static struct class sdev_class = {
};
/* all probing is done in the individual ->probe routines */
-static int scsi_bus_match(struct device *dev, struct device_driver *gendrv)
+static int scsi_bus_match(struct device *dev, const struct device_driver *gendrv)
{
struct scsi_device *sdp;
@@ -661,7 +661,7 @@ static int scsi_sdev_check_buf_bit(const char *buf)
return 1;
else if (buf[0] == '0')
return 0;
- else
+ else
return -EINVAL;
} else
return -EINVAL;
@@ -886,7 +886,7 @@ store_queue_type_field(struct device *dev, struct device_attribute *attr,
if (!sdev->tagged_supported)
return -EINVAL;
-
+
sdev_printk(KERN_INFO, sdev,
"ignoring write to deprecated queue_type attribute");
return count;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 93e1978ad564bce2e57e667e9710bf4fb2a47922..fde7de3b1e55381f7cd468ad308a3e4ee9417c8c 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1204,7 +1204,7 @@ static const struct device_type iscsi_flashnode_conn_dev_type = {
static const struct bus_type iscsi_flashnode_bus;
int iscsi_flashnode_bus_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
if (dev->bus == &iscsi_flashnode_bus)
return 1;
diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c
index 16018009a5a67aa6c2f641ca407e02f57196d6a2..6dc0549f79005319f5295b7eb3628ec07fbf2f2f 100644
--- a/drivers/sh/maple/maple.c
+++ b/drivers/sh/maple/maple.c
@@ -747,9 +747,9 @@ static int maple_get_dma_buffer(void)
}
static int maple_match_bus_driver(struct device *devptr,
- struct device_driver *drvptr)
+ const struct device_driver *drvptr)
{
- struct maple_driver *maple_drv = to_maple_driver(drvptr);
+ const struct maple_driver *maple_drv = to_maple_driver(drvptr);
struct maple_device *maple_dev = to_maple_dev(devptr);
/* Trap empty port case */
diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
index 24a45920a240ddcc932c77df62e35ecaa1e4d168..f98f5a27e65929c629334f615fe8d6a81fea2e59 100644
--- a/drivers/siox/siox-core.c
+++ b/drivers/siox/siox-core.c
@@ -503,7 +503,7 @@ static const struct device_type siox_device_type = {
.release = siox_device_release,
};
-static int siox_match(struct device *dev, struct device_driver *drv)
+static int siox_match(struct device *dev, const struct device_driver *drv)
{
if (dev->type != &siox_device_type)
return 0;
diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
index 41e62de1f91f30dc3dd750a6f8ba175275c4c4ba..65e5515f7555e2eb840fedaf2dc4cc5d76dbc089 100644
--- a/drivers/slimbus/core.c
+++ b/drivers/slimbus/core.c
@@ -30,10 +30,10 @@ static const struct slim_device_id *slim_match(const struct slim_device_id *id,
return NULL;
}
-static int slim_device_match(struct device *dev, struct device_driver *drv)
+static int slim_device_match(struct device *dev, const struct device_driver *drv)
{
struct slim_device *sbdev = to_slim_device(dev);
- struct slim_driver *sbdrv = to_slim_driver(drv);
+ const struct slim_driver *sbdrv = to_slim_driver(drv);
/* Attempt an OF style match first */
if (of_driver_match_device(dev, drv))
diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c
index 50749e870efaf52ff27ff69bd0baee0a19dfdfd1..4fbff3a890e23fa83eeaa1b013ef0c912f70db39 100644
--- a/drivers/soc/qcom/apr.c
+++ b/drivers/soc/qcom/apr.c
@@ -338,10 +338,10 @@ static void apr_rxwq(struct work_struct *work)
}
}
-static int apr_device_match(struct device *dev, struct device_driver *drv)
+static int apr_device_match(struct device *dev, const struct device_driver *drv)
{
struct apr_device *adev = to_apr_device(dev);
- struct apr_driver *adrv = to_apr_driver(drv);
+ const struct apr_driver *adrv = to_apr_driver(drv);
const struct apr_device_id *id = adrv->id_table;
/* Attempt an OF style match first */
diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c
index c32faace618f8959cad6762de86296bf724902bc..d928258c6761550cf9c9d39753704bbeeeef1ab4 100644
--- a/drivers/soundwire/bus_type.c
+++ b/drivers/soundwire/bus_type.c
@@ -19,7 +19,7 @@
* struct sdw_device_id.
*/
static const struct sdw_device_id *
-sdw_get_device_id(struct sdw_slave *slave, struct sdw_driver *drv)
+sdw_get_device_id(struct sdw_slave *slave, const struct sdw_driver *drv)
{
const struct sdw_device_id *id;
@@ -35,10 +35,10 @@ sdw_get_device_id(struct sdw_slave *slave, struct sdw_driver *drv)
return NULL;
}
-static int sdw_bus_match(struct device *dev, struct device_driver *ddrv)
+static int sdw_bus_match(struct device *dev, const struct device_driver *ddrv)
{
struct sdw_slave *slave;
- struct sdw_driver *drv;
+ const struct sdw_driver *drv;
int ret = 0;
if (is_sdw_slave(dev)) {
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index d4da5464dbd056c038290babce05c29d8124bb23..6ebe5dd9bbb18530afb1f6a807dd6ce5f40e6b5f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -371,7 +371,7 @@ const void *spi_get_device_match_data(const struct spi_device *sdev)
}
EXPORT_SYMBOL_GPL(spi_get_device_match_data);
-static int spi_match_device(struct device *dev, struct device_driver *drv)
+static int spi_match_device(struct device *dev, const struct device_driver *drv)
{
const struct spi_device *spi = to_spi_device(dev);
const struct spi_driver *sdrv = to_spi_driver(drv);
diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index 667085cb199d2ffe80b8345acf0950220e134448..fb0101da148560a47ae0f1123880e1469227ee5f 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c
@@ -43,7 +43,7 @@ static const struct device_type spmi_ctrl_type = {
.release = spmi_ctrl_release,
};
-static int spmi_device_match(struct device *dev, struct device_driver *drv)
+static int spmi_device_match(struct device *dev, const struct device_driver *drv)
{
if (of_driver_match_device(dev, drv))
return 1;
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 4da8848b363916d37fa229b9fc526bb19e15da84..aa6165e3db4aa5c6202a4f1b3cef6d7891ce7872 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -323,10 +323,10 @@ static int ssb_match_devid(const struct ssb_device_id *tabid,
return 1;
}
-static int ssb_bus_match(struct device *dev, struct device_driver *drv)
+static int ssb_bus_match(struct device *dev, const struct device_driver *drv)
{
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
- struct ssb_driver *ssb_drv = drv_to_ssb_drv(drv);
+ const struct ssb_driver *ssb_drv = drv_to_ssb_drv(drv);
const struct ssb_device_id *id;
for (id = ssb_drv->id_table;
diff --git a/drivers/staging/fieldbus/anybuss/anybuss-client.h b/drivers/staging/fieldbus/anybuss/anybuss-client.h
index a219688006fe15174ded14c392ac9b9a2196fbcb..c21c4bebfb845763d9f12eb4ad8a8311197fcf33 100644
--- a/drivers/staging/fieldbus/anybuss/anybuss-client.h
+++ b/drivers/staging/fieldbus/anybuss/anybuss-client.h
@@ -44,11 +44,7 @@ static inline struct anybuss_client *to_anybuss_client(struct device *dev)
return container_of(dev, struct anybuss_client, dev);
}
-static inline struct anybuss_client_driver *
-to_anybuss_client_driver(struct device_driver *drv)
-{
- return container_of(drv, struct anybuss_client_driver, driver);
-}
+#define to_anybuss_client_driver(__drv) container_of_const(__drv, struct anybuss_client_driver, driver)
static inline void *
anybuss_get_drvdata(const struct anybuss_client *client)
diff --git a/drivers/staging/fieldbus/anybuss/host.c b/drivers/staging/fieldbus/anybuss/host.c
index 410e6f8073c0bbdba4bd91a81b949b07dae1072b..4f2b2fce92eec44f34620a344eb2d3165334cd65 100644
--- a/drivers/staging/fieldbus/anybuss/host.c
+++ b/drivers/staging/fieldbus/anybuss/host.c
@@ -1166,9 +1166,9 @@ EXPORT_SYMBOL_GPL(anybuss_recv_msg);
/* ------------------------ bus functions ------------------------ */
static int anybus_bus_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
- struct anybuss_client_driver *adrv =
+ const struct anybuss_client_driver *adrv =
to_anybuss_client_driver(drv);
struct anybuss_client *adev =
to_anybuss_client(dev);
diff --git a/drivers/staging/greybus/gbphy.c b/drivers/staging/greybus/gbphy.c
index d992db8d45cb48120657d59ae0295076d8bb4c24..6adcad28663305b2d4c357dd2691fe497c3a879b 100644
--- a/drivers/staging/greybus/gbphy.c
+++ b/drivers/staging/greybus/gbphy.c
@@ -117,7 +117,7 @@ gbphy_dev_match_id(struct gbphy_device *gbphy_dev,
return NULL;
}
-static int gbphy_dev_match(struct device *dev, struct device_driver *drv)
+static int gbphy_dev_match(struct device *dev, const struct device_driver *drv)
{
struct gbphy_driver *gbphy_drv = to_gbphy_driver(drv);
struct gbphy_device *gbphy_dev = to_gbphy_dev(dev);
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c
index 3f87b93c653791aaf7deabd7cf669f33cea37cf7..41ece91ab88aa647a348910a0b913d0b28a8c761 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_bus.c
@@ -14,7 +14,7 @@
#include "vchiq_arm.h"
#include "vchiq_bus.h"
-static int vchiq_bus_type_match(struct device *dev, struct device_driver *drv)
+static int vchiq_bus_type_match(struct device *dev, const struct device_driver *drv)
{
if (dev->bus == &vchiq_bus_type &&
strcmp(dev_name(dev), drv->name) == 0)
diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c
index 0cd370ab1008813f076e6fdce5af928078b4992f..9a091463656d085e4a7977734ab0077310ba0509 100644
--- a/drivers/staging/vme_user/vme.c
+++ b/drivers/staging/vme_user/vme.c
@@ -1931,7 +1931,7 @@ EXPORT_SYMBOL(vme_unregister_driver);
/* - Bus Registration ------------------------------------------------------ */
-static int vme_bus_match(struct device *dev, struct device_driver *drv)
+static int vme_bus_match(struct device *dev, const struct device_driver *drv)
{
struct vme_driver *vme_drv;
diff --git a/drivers/tc/tc-driver.c b/drivers/tc/tc-driver.c
index 1c9d983a5a1fa2b0be1faa1a7dc41d1861e95e88..2f6d147594b0586118c0cce1c3d945d2c512e211 100644
--- a/drivers/tc/tc-driver.c
+++ b/drivers/tc/tc-driver.c
@@ -56,7 +56,7 @@ EXPORT_SYMBOL(tc_unregister_driver);
* system is in its list of supported devices. Returns the matching
* tc_device_id structure or %NULL if there is no match.
*/
-static const struct tc_device_id *tc_match_device(struct tc_driver *tdrv,
+static const struct tc_device_id *tc_match_device(const struct tc_driver *tdrv,
struct tc_dev *tdev)
{
const struct tc_device_id *id = tdrv->id_table;
@@ -82,10 +82,10 @@ static const struct tc_device_id *tc_match_device(struct tc_driver *tdrv,
* system is in its list of supported devices. Returns 1 if there
* is a match or 0 otherwise.
*/
-static int tc_bus_match(struct device *dev, struct device_driver *drv)
+static int tc_bus_match(struct device *dev, const struct device_driver *drv)
{
struct tc_dev *tdev = to_tc_dev(dev);
- struct tc_driver *tdrv = to_tc_driver(drv);
+ const struct tc_driver *tdrv = to_tc_driver(drv);
const struct tc_device_id *id;
id = tc_match_device(tdrv, tdev);
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c
index 82ad095d2b1c4c2b6c63fe4461271f157105179c..d52e879b204e3ddbf88a6aac36e5ead30568d392 100644
--- a/drivers/tee/tee_core.c
+++ b/drivers/tee/tee_core.c
@@ -1201,7 +1201,7 @@ int tee_client_cancel_req(struct tee_context *ctx,
}
static int tee_client_device_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
const struct tee_client_device_id *id_table;
struct tee_client_device *tee_device;
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c
index 0023017299f7613d151d793bea0dc9519dc9f9c2..144d0232a70c11c530650d82c3d6b3acad6316d2 100644
--- a/drivers/thunderbolt/domain.c
+++ b/drivers/thunderbolt/domain.c
@@ -45,9 +45,9 @@ static bool match_service_id(const struct tb_service_id *id,
}
static const struct tb_service_id *__tb_service_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
- struct tb_service_driver *driver;
+ const struct tb_service_driver *driver;
const struct tb_service_id *ids;
struct tb_service *svc;
@@ -55,7 +55,7 @@ static const struct tb_service_id *__tb_service_match(struct device *dev,
if (!svc)
return NULL;
- driver = container_of(drv, struct tb_service_driver, driver);
+ driver = container_of_const(drv, struct tb_service_driver, driver);
if (!driver->id_table)
return NULL;
@@ -67,7 +67,7 @@ static const struct tb_service_id *__tb_service_match(struct device *dev,
return NULL;
}
-static int tb_service_match(struct device *dev, struct device_driver *drv)
+static int tb_service_match(struct device *dev, const struct device_driver *drv)
{
return !!__tb_service_match(dev, drv);
}
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
index 613cb356b918d71562e5d48d237d0f64137b7afb..8913cdd675f6bd72732c17ab2b887bad8af32bf7 100644
--- a/drivers/tty/serdev/core.c
+++ b/drivers/tty/serdev/core.c
@@ -85,7 +85,7 @@ static const struct device_type serdev_ctrl_type = {
.release = serdev_ctrl_release,
};
-static int serdev_device_match(struct device *dev, struct device_driver *drv)
+static int serdev_device_match(struct device *dev, const struct device_driver *drv)
{
if (!is_serdev_device(dev))
return 0;
diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c
index d822499ba9d689665b0986ba0f0636920b9c5db4..5d1677f1b651c22b9ce27b87ea010a95c2596846 100644
--- a/drivers/tty/serial/serial_base_bus.c
+++ b/drivers/tty/serial/serial_base_bus.c
@@ -29,7 +29,7 @@ static const struct device_type serial_port_type = {
.name = "port",
};
-static int serial_base_match(struct device *dev, struct device_driver *drv)
+static int serial_base_match(struct device *dev, const struct device_driver *drv)
{
if (dev->type == &serial_ctrl_type &&
str_has_prefix(drv->name, serial_ctrl_type.name))
diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
index 0886b19d2e1c8f2b1c0f4e8bf85d6240f7cf19d1..4a2ee447b21372a16c84e6445e0266eb7bf0ae16 100644
--- a/drivers/usb/common/ulpi.c
+++ b/drivers/usb/common/ulpi.c
@@ -34,7 +34,7 @@ EXPORT_SYMBOL_GPL(ulpi_write);
/* -------------------------------------------------------------------------- */
-static int ulpi_match(struct device *dev, struct device_driver *driver)
+static int ulpi_match(struct device *dev, const struct device_driver *driver)
{
struct ulpi_driver *drv = to_ulpi_driver(driver);
struct ulpi *ulpi = to_ulpi_dev(dev);
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index b35734d0310938b69a8a9b8019b62c6f4fb6b3ac..0c3f12daac79e0038b991cbd91e9afc40baf3aac 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -868,7 +868,7 @@ bool usb_driver_applicable(struct usb_device *udev,
return false;
}
-static int usb_device_match(struct device *dev, struct device_driver *drv)
+static int usb_device_match(struct device *dev, const struct device_driver *drv)
{
/* devices and interfaces are handled separately */
if (is_usb_device(dev)) {
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 2dfae7a17b3f1a14d6e863142ba9ec3a9f55ea77..b0a6137584141cc13559304a911028312a542453 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1568,7 +1568,7 @@ EXPORT_SYMBOL_GPL(usb_del_gadget_udc);
/* ------------------------------------------------------------------------- */
-static int gadget_match_driver(struct device *dev, struct device_driver *drv)
+static int gadget_match_driver(struct device *dev, const struct device_driver *drv)
{
struct usb_gadget *gadget = dev_to_usb_gadget(dev);
struct usb_udc *udc = gadget->udc;
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 6c812d01b37d7b57e0f229ed52315f79271bdde5..d200e2c29a8ffe84acda12537fc5d688627f37b3 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -14,7 +14,7 @@
#include <linux/usb/serial.h>
static int usb_serial_device_match(struct device *dev,
- struct device_driver *drv)
+ const struct device_driver *drv)
{
const struct usb_serial_port *port = to_usb_serial_port(dev);
struct usb_serial_driver *driver = to_usb_serial_driver(drv);
diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c
index 6ea103e1abae909614bff350f8d11cff82bf4945..aa879253d3b8109239373f8398532b4ce07841d0 100644
--- a/drivers/usb/typec/bus.c
+++ b/drivers/usb/typec/bus.c
@@ -447,7 +447,7 @@ static struct attribute *typec_attrs[] = {
};
ATTRIBUTE_GROUPS(typec);
-static int typec_match(struct device *dev, struct device_driver *driver)
+static int typec_match(struct device *dev, const struct device_driver *driver)
{
struct typec_altmode_driver *drv = to_altmode_driver(driver);
struct typec_altmode *altmode = to_typec_altmode(dev);
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index 1ca445e31acb987eb31edb59dcc54dc43744a1d9..4dbd2e55a288bbb96f1f6fcf41ee8d17d007201f 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -65,7 +65,7 @@ static void vdpa_dev_remove(struct device *d)
drv->remove(vdev);
}
-static int vdpa_dev_match(struct device *dev, struct device_driver *drv)
+static int vdpa_dev_match(struct device *dev, const struct device_driver *drv)
{
struct vdpa_device *vdev = dev_to_vdpa(dev);
diff --git a/drivers/vfio/mdev/mdev_driver.c b/drivers/vfio/mdev/mdev_driver.c
index b98322966b3ed41d999dc30b7acc11e07cff0aa9..ad5b834806ff29cfdf6b60f77b2518509d54d443 100644
--- a/drivers/vfio/mdev/mdev_driver.c
+++ b/drivers/vfio/mdev/mdev_driver.c
@@ -31,7 +31,7 @@ static void mdev_remove(struct device *dev)
drv->remove(to_mdev_device(dev));
}
-static int mdev_match(struct device *dev, struct device_driver *drv)
+static int mdev_match(struct device *dev, const struct device_driver *drv)
{
/*
* No drivers automatically match. Drivers are only bound by explicit
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 396d3cd49a1b61156578d92ce824b64ca40cb689..a9b93e99c23a411d66506d8d4a7b5d9547565962 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -82,7 +82,7 @@ static inline int virtio_id_match(const struct virtio_device *dev,
/* This looks through all the IDs a driver claims to support. If any of them
* match, we return 1 and the kernel will call virtio_dev_probe(). */
-static int virtio_dev_match(struct device *_dv, struct device_driver *_dr)
+static int virtio_dev_match(struct device *_dv, const struct device_driver *_dr)
{
unsigned int i;
struct virtio_device *dev = dev_to_virtio(_dv);
diff --git a/drivers/xen/xenbus/xenbus.h b/drivers/xen/xenbus/xenbus.h
index 2754bdfadcb89cf7bd36860058eebdfb4b554d90..13821e7e825efb3ff74a1920512e0cfe799f88c2 100644
--- a/drivers/xen/xenbus/xenbus.h
+++ b/drivers/xen/xenbus/xenbus.h
@@ -104,7 +104,7 @@ void xb_deinit_comms(void);
int xs_watch_msg(struct xs_watch_event *event);
void xs_request_exit(struct xb_req_data *req);
-int xenbus_match(struct device *_dev, struct device_driver *_drv);
+int xenbus_match(struct device *_dev, const struct device_driver *_drv);
int xenbus_dev_probe(struct device *_dev);
void xenbus_dev_remove(struct device *_dev);
int xenbus_register_driver_common(struct xenbus_driver *drv,
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 1a9ded0cddcb0f324f038f7f536dab7d0ee46a66..9f097f1f4a4cf380c7068f03d7b313201a778024 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -94,9 +94,9 @@ match_device(const struct xenbus_device_id *arr, struct xenbus_device *dev)
return NULL;
}
-int xenbus_match(struct device *_dev, struct device_driver *_drv)
+int xenbus_match(struct device *_dev, const struct device_driver *_drv)
{
- struct xenbus_driver *drv = to_xenbus_driver(_drv);
+ const struct xenbus_driver *drv = to_xenbus_driver(_drv);
if (!drv->ids)
return 0;
diff --git a/drivers/zorro/zorro-driver.c b/drivers/zorro/zorro-driver.c
index f49d19977e82a71808912acf7119abdfa47dc0f7..e7d3af1a223f9abf725db4ee280870a9d31a698b 100644
--- a/drivers/zorro/zorro-driver.c
+++ b/drivers/zorro/zorro-driver.c
@@ -118,10 +118,10 @@ EXPORT_SYMBOL(zorro_unregister_driver);
* supported, and 0 if there is no match.
*/
-static int zorro_bus_match(struct device *dev, struct device_driver *drv)
+static int zorro_bus_match(struct device *dev, const struct device_driver *drv)
{
struct zorro_dev *z = to_zorro_dev(dev);
- struct zorro_driver *zorro_drv = to_zorro_driver(drv);
+ const struct zorro_driver *zorro_drv = to_zorro_driver(drv);
const struct zorro_device_id *ids = zorro_drv->id_table;
if (!ids)
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 5d148343628a19d2f8c8da924a267a3d1b44028e..8db5bd3829151011924e082500190235dd4bd952 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -563,7 +563,7 @@ static inline void *acpi_driver_data(struct acpi_device *d)
}
#define to_acpi_device(d) container_of(d, struct acpi_device, dev)
-#define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)
+#define to_acpi_driver(d) container_of_const(d, struct acpi_driver, drv)
static inline struct acpi_device *acpi_dev_parent(struct acpi_device *adev)
{
diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h
index c6d18f50f6712ce5d2a3bbbfc741df6d3e62a154..89683f31ae12b32f34ebc65cf5fbfd4c39f74fa9 100644
--- a/include/linux/arm_ffa.h
+++ b/include/linux/arm_ffa.h
@@ -149,7 +149,7 @@ struct ffa_driver {
struct device_driver driver;
};
-#define to_ffa_driver(d) container_of(d, struct ffa_driver, driver)
+#define to_ffa_driver(d) container_of_const(d, struct ffa_driver, driver)
static inline void ffa_dev_set_drvdata(struct ffa_device *fdev, void *data)
{
diff --git a/include/linux/auxiliary_bus.h b/include/linux/auxiliary_bus.h
index 1539bbd263d27fad013368c8a6cb7c93e4df6895..662b8ae54b6aad7c00436268bb40d54677bfb229 100644
--- a/include/linux/auxiliary_bus.h
+++ b/include/linux/auxiliary_bus.h
@@ -212,7 +212,7 @@ static inline struct auxiliary_device *to_auxiliary_dev(struct device *dev)
return container_of(dev, struct auxiliary_device, dev);
}
-static inline struct auxiliary_driver *to_auxiliary_drv(struct device_driver *drv)
+static inline const struct auxiliary_driver *to_auxiliary_drv(const struct device_driver *drv)
{
return container_of(drv, struct auxiliary_driver, driver);
}
diff --git a/include/linux/cdx/cdx_bus.h b/include/linux/cdx/cdx_bus.h
index b57118aaa67978849850349135a3fb5b1b59b5e0..79bb80e56790836c736583bcb29466f2ab3fcc7e 100644
--- a/include/linux/cdx/cdx_bus.h
+++ b/include/linux/cdx/cdx_bus.h
@@ -211,7 +211,7 @@ struct cdx_driver {
};
#define to_cdx_driver(_drv) \
- container_of(_drv, struct cdx_driver, driver)
+ container_of_const(_drv, struct cdx_driver, driver)
/* Macro to avoid include chaining to get THIS_MODULE */
#define cdx_driver_register(drv) \
diff --git a/include/linux/device.h b/include/linux/device.h
index ace039151cb86fcf12f680934e48730130fc6ccf..34eb20f5966f95b848eb69c0d59357b2582f7151 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -1031,13 +1031,6 @@ static inline void device_lock_assert(struct device *dev)
lockdep_assert_held(&dev->mutex);
}
-static inline struct device_node *dev_of_node(struct device *dev)
-{
- if (!IS_ENABLED(CONFIG_OF) || !dev)
- return NULL;
- return dev->of_node;
-}
-
static inline bool dev_has_sync_state(struct device *dev)
{
if (!dev)
@@ -1144,10 +1137,18 @@ void unlock_device_hotplug(void);
int lock_device_hotplug_sysfs(void);
int device_offline(struct device *dev);
int device_online(struct device *dev);
+
void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
-void device_set_of_node_from_dev(struct device *dev, const struct device *dev2);
void device_set_node(struct device *dev, struct fwnode_handle *fwnode);
+void device_set_of_node_from_dev(struct device *dev, const struct device *dev2);
+
+static inline struct device_node *dev_of_node(struct device *dev)
+{
+ if (!IS_ENABLED(CONFIG_OF) || !dev)
+ return NULL;
+ return dev->of_node;
+}
static inline int dev_num_vf(struct device *dev)
{
@@ -1176,12 +1177,12 @@ static inline void *dev_get_platdata(const struct device *dev)
* Manual binding of a device to driver. See drivers/base/bus.c
* for information on use.
*/
-int __must_check device_driver_attach(struct device_driver *drv,
+int __must_check device_driver_attach(const struct device_driver *drv,
struct device *dev);
int __must_check device_bind_driver(struct device *dev);
void device_release_driver(struct device *dev);
int __must_check device_attach(struct device *dev);
-int __must_check driver_attach(struct device_driver *drv);
+int __must_check driver_attach(const struct device_driver *drv);
void device_initial_probe(struct device *dev);
int __must_check device_reprobe(struct device *dev);
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index 5ef4ec1c36c3b9d7d8e514cf0f46ac2f14bc66f6..807831d6bf0f1504d1aa3040f3d05e1e094b6d96 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -81,7 +81,7 @@ struct bus_type {
const struct attribute_group **dev_groups;
const struct attribute_group **drv_groups;
- int (*match)(struct device *dev, struct device_driver *drv);
+ int (*match)(struct device *dev, const struct device_driver *drv);
int (*uevent)(const struct device *dev, struct kobj_uevent_env *env);
int (*probe)(struct device *dev);
void (*sync_state)(struct device *dev);
diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h
index 7738f458995fba858e0e3ead9e5d12ceed35730d..1fc8b68786de57e910c16df4910ed4c2161039e8 100644
--- a/include/linux/device/driver.h
+++ b/include/linux/device/driver.h
@@ -146,16 +146,16 @@ struct driver_attribute {
#define DRIVER_ATTR_WO(_name) \
struct driver_attribute driver_attr_##_name = __ATTR_WO(_name)
-int __must_check driver_create_file(struct device_driver *driver,
+int __must_check driver_create_file(const struct device_driver *driver,
const struct driver_attribute *attr);
-void driver_remove_file(struct device_driver *driver,
+void driver_remove_file(const struct device_driver *driver,
const struct driver_attribute *attr);
int driver_set_override(struct device *dev, const char **override,
const char *s, size_t len);
int __must_check driver_for_each_device(struct device_driver *drv, struct device *start,
void *data, int (*fn)(struct device *dev, void *));
-struct device *driver_find_device(struct device_driver *drv,
+struct device *driver_find_device(const struct device_driver *drv,
struct device *start, const void *data,
int (*match)(struct device *dev, const void *data));
@@ -165,7 +165,7 @@ struct device *driver_find_device(struct device_driver *drv,
* @drv: the driver we're iterating
* @name: name of the device to match
*/
-static inline struct device *driver_find_device_by_name(struct device_driver *drv,
+static inline struct device *driver_find_device_by_name(const struct device_driver *drv,
const char *name)
{
return driver_find_device(drv, NULL, name, device_match_name);
@@ -178,7 +178,7 @@ static inline struct device *driver_find_device_by_name(struct device_driver *dr
* @np: of_node pointer to match.
*/
static inline struct device *
-driver_find_device_by_of_node(struct device_driver *drv,
+driver_find_device_by_of_node(const struct device_driver *drv,
const struct device_node *np)
{
return driver_find_device(drv, NULL, np, device_match_of_node);
@@ -203,13 +203,13 @@ driver_find_device_by_fwnode(struct device_driver *drv,
* @drv: the driver we're iterating
* @devt: devt pointer to match.
*/
-static inline struct device *driver_find_device_by_devt(struct device_driver *drv,
+static inline struct device *driver_find_device_by_devt(const struct device_driver *drv,
dev_t devt)
{
return driver_find_device(drv, NULL, &devt, device_match_devt);
}
-static inline struct device *driver_find_next_device(struct device_driver *drv,
+static inline struct device *driver_find_next_device(const struct device_driver *drv,
struct device *start)
{
return driver_find_device(drv, start, NULL, device_match_any);
@@ -223,14 +223,14 @@ static inline struct device *driver_find_next_device(struct device_driver *drv,
* @adev: ACPI_COMPANION device to match.
*/
static inline struct device *
-driver_find_device_by_acpi_dev(struct device_driver *drv,
+driver_find_device_by_acpi_dev(const struct device_driver *drv,
const struct acpi_device *adev)
{
return driver_find_device(drv, NULL, adev, device_match_acpi_dev);
}
#else
static inline struct device *
-driver_find_device_by_acpi_dev(struct device_driver *drv, const void *adev)
+driver_find_device_by_acpi_dev(const struct device_driver *drv, const void *adev)
{
return NULL;
}
diff --git a/include/linux/dfl.h b/include/linux/dfl.h
index 0a7a00a0ee7fbdc140e594d70563651f936686f9..1f02db0c189745029dbbd4283e56a06419df55ab 100644
--- a/include/linux/dfl.h
+++ b/include/linux/dfl.h
@@ -71,7 +71,7 @@ struct dfl_driver {
};
#define to_dfl_dev(d) container_of(d, struct dfl_device, dev)
-#define to_dfl_drv(d) container_of(d, struct dfl_driver, drv)
+#define to_dfl_drv(d) container_of_const(d, struct dfl_driver, drv)
/*
* use a macro to avoid include chaining to get THIS_MODULE.
diff --git a/include/linux/dio.h b/include/linux/dio.h
index 2b5923909f963372f997020b53ae0f0db6f55679..464331c4c4a7704f0cc7df8b6dbf2d4fd575409c 100644
--- a/include/linux/dio.h
+++ b/include/linux/dio.h
@@ -93,7 +93,7 @@ struct dio_driver {
struct device_driver driver;
};
-#define to_dio_driver(drv) container_of(drv, struct dio_driver, driver)
+#define to_dio_driver(drv) container_of_const(drv, struct dio_driver, driver)
/* DIO/DIO-II boards all have the following 8bit registers.
* These are offsets from the base of the device.
diff --git a/include/linux/eisa.h b/include/linux/eisa.h
index b012e30afebda212b16c406121f3b1aa0e7708c6..f98200cae637a06b31ba3dfd9c0c984a2107b684 100644
--- a/include/linux/eisa.h
+++ b/include/linux/eisa.h
@@ -60,7 +60,7 @@ struct eisa_driver {
struct device_driver driver;
};
-#define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)
+#define to_eisa_driver(drv) container_of_const(drv,struct eisa_driver, driver)
/* These external functions are only available when EISA support is enabled. */
#ifdef CONFIG_EISA
diff --git a/include/linux/fsi.h b/include/linux/fsi.h
index 3df8c54868df59d9f6b2c19cd7be3c1c166a3f59..8c5eef8087887b180490659d913d6fc0c51ecb51 100644
--- a/include/linux/fsi.h
+++ b/include/linux/fsi.h
@@ -44,7 +44,7 @@ struct fsi_driver {
};
#define to_fsi_dev(devp) container_of(devp, struct fsi_device, dev)
-#define to_fsi_drv(drvp) container_of(drvp, struct fsi_driver, drv)
+#define to_fsi_drv(drvp) container_of_const(drvp, struct fsi_driver, drv)
extern int fsi_driver_register(struct fsi_driver *fsi_drv);
extern void fsi_driver_unregister(struct fsi_driver *fsi_drv);
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index a1b3de87a3d100e0482cc346afc11c023c4e9042..083c860fd28eaeb27a2a67084f5c7a9da272d638 100644
--- a/include/linux/fsl/mc.h
+++ b/include/linux/fsl/mc.h
@@ -56,7 +56,7 @@ struct fsl_mc_driver {
};
#define to_fsl_mc_driver(_drv) \
- container_of(_drv, struct fsl_mc_driver, driver)
+ container_of_const(_drv, struct fsl_mc_driver, driver)
/**
* enum fsl_mc_pool_type - Types of allocatable MC bus resources
diff --git a/include/linux/gameport.h b/include/linux/gameport.h
index 07e370113b2b6558faf293c11bebe5ac7ca85ea6..86d62fdafd7a11a4ede0b570a79c291c7428813c 100644
--- a/include/linux/gameport.h
+++ b/include/linux/gameport.h
@@ -58,7 +58,7 @@ struct gameport_driver {
bool ignore;
};
-#define to_gameport_driver(d) container_of(d, struct gameport_driver, driver)
+#define to_gameport_driver(d) container_of_const(d, struct gameport_driver, driver)
int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode);
void gameport_close(struct gameport *gameport);
diff --git a/include/linux/greybus.h b/include/linux/greybus.h
index 634c9511cf787bd626671000ce57f810e335fa35..4d58e27ceaf613cf4105f201cf4b42decdac890e 100644
--- a/include/linux/greybus.h
+++ b/include/linux/greybus.h
@@ -64,7 +64,7 @@ struct greybus_driver {
struct device_driver driver;
};
-#define to_greybus_driver(d) container_of(d, struct greybus_driver, driver)
+#define to_greybus_driver(d) container_of_const(d, struct greybus_driver, driver)
static inline void greybus_set_drvdata(struct gb_bundle *bundle, void *data)
{
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 5e39baa7f6cbb6701cb2bdb23b762929d0665814..22c22fb9104214614b1368484347adf079e33eae 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1330,11 +1330,7 @@ struct hv_device {
#define device_to_hv_device(d) container_of_const(d, struct hv_device, device)
-
-static inline struct hv_driver *drv_to_hv_drv(struct device_driver *d)
-{
- return container_of(d, struct hv_driver, driver);
-}
+#define drv_to_hv_drv(d) container_of_const(d, struct hv_driver, driver)
static inline void hv_set_drvdata(struct hv_device *dev, void *data)
{
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 8caaa13834bf985ac229bd4b618ae40f679fbba5..07e33bbc9256dd04ca9e60921c7663cd22845fe7 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -303,7 +303,7 @@ struct i2c_driver {
u32 flags;
};
-#define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
+#define to_i2c_driver(d) container_of_const(d, struct i2c_driver, driver)
/**
* struct i2c_client - represent an I2C slave device
diff --git a/include/linux/i3c/device.h b/include/linux/i3c/device.h
index e119f11948efe2958e5df530647e8408f54485b2..0a8a44ac2f027e8a498b9a21bce18ede6de4e806 100644
--- a/include/linux/i3c/device.h
+++ b/include/linux/i3c/device.h
@@ -183,10 +183,7 @@ struct i3c_driver {
const struct i3c_device_id *id_table;
};
-static inline struct i3c_driver *drv_to_i3cdrv(struct device_driver *drv)
-{
- return container_of(drv, struct i3c_driver, driver);
-}
+#define drv_to_i3cdrv(__drv) container_of_const(__drv, struct i3c_driver, driver)
struct device *i3cdev_to_dev(struct i3c_device *i3cdev);
diff --git a/include/linux/maple.h b/include/linux/maple.h
index 9aae44efcfd4c988c34bd6c05e7b7d79d9aa649c..3be4e567473c853ca4acff526baba65029814722 100644
--- a/include/linux/maple.h
+++ b/include/linux/maple.h
@@ -97,7 +97,7 @@ int maple_add_packet(struct maple_device *mdev, u32 function,
void maple_clear_dev(struct maple_device *mdev);
#define to_maple_dev(n) container_of(n, struct maple_device, dev)
-#define to_maple_driver(n) container_of(n, struct maple_driver, drv)
+#define to_maple_driver(n) container_of_const(n, struct maple_driver, drv)
#define maple_get_drvdata(d) dev_get_drvdata(&(d)->dev)
#define maple_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, (p))
diff --git a/include/linux/mcb.h b/include/linux/mcb.h
index 0b971b24a804b2722fa8f48e105efce3c52134e2..4ab2691f51a663d89742955980c01c0678014ee9 100644
--- a/include/linux/mcb.h
+++ b/include/linux/mcb.h
@@ -94,10 +94,7 @@ struct mcb_driver {
void (*shutdown)(struct mcb_device *mdev);
};
-static inline struct mcb_driver *to_mcb_driver(struct device_driver *drv)
-{
- return container_of(drv, struct mcb_driver, driver);
-}
+#define to_mcb_driver(__drv) container_of_const(__drv, struct mcb_driver, driver)
static inline void *mcb_get_drvdata(struct mcb_device *dev)
{
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index 68f8d2e970d4f1e84f99c364b741dbac271d6b88..efeca5bd7600b0bc1725aa3a4c87df2f0a3dc5f3 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -31,7 +31,7 @@ struct mdio_device {
struct mii_bus *bus;
char modalias[MDIO_NAME_SIZE];
- int (*bus_match)(struct device *dev, struct device_driver *drv);
+ int (*bus_match)(struct device *dev, const struct device_driver *drv);
void (*device_free)(struct mdio_device *mdiodev);
void (*device_remove)(struct mdio_device *mdiodev);
@@ -57,11 +57,8 @@ struct mdio_driver_common {
};
#define MDIO_DEVICE_FLAG_PHY 1
-static inline struct mdio_driver_common *
-to_mdio_common_driver(const struct device_driver *driver)
-{
- return container_of(driver, struct mdio_driver_common, driver);
-}
+#define to_mdio_common_driver(__drv_c) container_of_const(__drv_c, struct mdio_driver_common, \
+ driver)
/* struct mdio_driver: Generic MDIO driver */
struct mdio_driver {
@@ -80,12 +77,8 @@ struct mdio_driver {
void (*shutdown)(struct mdio_device *mdiodev);
};
-static inline struct mdio_driver *
-to_mdio_driver(const struct device_driver *driver)
-{
- return container_of(to_mdio_common_driver(driver), struct mdio_driver,
- mdiodrv);
-}
+#define to_mdio_driver(__drv_m) container_of_const(to_mdio_common_driver(__drv_m), \
+ struct mdio_driver, mdiodrv)
/* device driver data */
static inline void mdiodev_set_drvdata(struct mdio_device *mdio, void *data)
@@ -105,7 +98,7 @@ void mdio_device_remove(struct mdio_device *mdiodev);
void mdio_device_reset(struct mdio_device *mdiodev, int value);
int mdio_driver_register(struct mdio_driver *drv);
void mdio_driver_unregister(struct mdio_driver *drv);
-int mdio_device_bus_match(struct device *dev, struct device_driver *drv);
+int mdio_device_bus_match(struct device *dev, const struct device_driver *drv);
static inline void mdio_device_get(struct mdio_device *mdiodev)
{
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index fabd6ed8d258679a1b33302aff2ed3541ed2f908..059dc94d20bb686daf0e0afd7540e85bce7fb9a3 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -528,7 +528,7 @@ struct mhi_driver {
struct device_driver driver;
};
-#define to_mhi_driver(drv) container_of(drv, struct mhi_driver, driver)
+#define to_mhi_driver(drv) container_of_const(drv, struct mhi_driver, driver)
#define to_mhi_device(dev) container_of(dev, struct mhi_device, dev)
/**
diff --git a/include/linux/mhi_ep.h b/include/linux/mhi_ep.h
index 11bf3212f7822dea0979c249b09f9ae249c3bbab..7b40fc8cbe77ab8419d167e89264b69a817b9fb1 100644
--- a/include/linux/mhi_ep.h
+++ b/include/linux/mhi_ep.h
@@ -221,7 +221,7 @@ struct mhi_ep_driver {
};
#define to_mhi_ep_device(dev) container_of(dev, struct mhi_ep_device, dev)
-#define to_mhi_ep_driver(drv) container_of(drv, struct mhi_ep_driver, driver)
+#define to_mhi_ep_driver(drv) container_of_const(drv, struct mhi_ep_driver, driver)
/*
* module_mhi_ep_driver() - Helper macro for drivers that don't do
diff --git a/include/linux/moxtet.h b/include/linux/moxtet.h
index ac577699edfdb9a4651b3bd9dd48edce2bd064f4..dfa4800306ee39958c20dec119e066ec3367b0c3 100644
--- a/include/linux/moxtet.h
+++ b/include/linux/moxtet.h
@@ -61,13 +61,8 @@ struct moxtet_driver {
struct device_driver driver;
};
-static inline struct moxtet_driver *
-to_moxtet_driver(struct device_driver *drv)
-{
- if (!drv)
- return NULL;
- return container_of(drv, struct moxtet_driver, driver);
-}
+#define to_moxtet_driver(__drv) \
+ ( __drv ? container_of_const(__drv, struct moxtet_driver, driver) : NULL )
extern int __moxtet_register_driver(struct module *owner,
struct moxtet_driver *mdrv);
diff --git a/include/linux/nd.h b/include/linux/nd.h
index b9771ba1ef8798e18dfdb0353e1695627eb90785..fa099e295f780e241535c5c640f40560dd20a35f 100644
--- a/include/linux/nd.h
+++ b/include/linux/nd.h
@@ -84,11 +84,7 @@ struct nd_device_driver {
void (*notify)(struct device *dev, enum nvdimm_event event);
};
-static inline struct nd_device_driver *to_nd_device_driver(
- struct device_driver *drv)
-{
- return container_of(drv, struct nd_device_driver, drv);
-};
+#define to_nd_device_driver(__drv) container_of_const(__drv, struct nd_device_driver, drv)
/**
* struct nd_namespace_common - core infrastructure of a namespace
diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h
index 0639d4dc8986696af76ff7907760ecc9e3a14c07..18a3aeb62ae4e652249cf5b7ae5e119e62784e02 100644
--- a/include/linux/pci-epf.h
+++ b/include/linux/pci-epf.h
@@ -107,8 +107,7 @@ struct pci_epf_driver {
const struct pci_epf_device_id *id_table;
};
-#define to_pci_epf_driver(drv) (container_of((drv), struct pci_epf_driver, \
- driver))
+#define to_pci_epf_driver(drv) container_of_const((drv), struct pci_epf_driver, driver)
/**
* struct pci_epf_bar - represents the BAR of EPF device
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 9e36b6c1810eab131ca9bc3c8eed0620230558e1..4cf89a4b4cbcf03ec093376092178a1fd4efd9a4 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -959,10 +959,8 @@ struct pci_driver {
bool driver_managed_dma;
};
-static inline struct pci_driver *to_pci_driver(struct device_driver *drv)
-{
- return drv ? container_of(drv, struct pci_driver, driver) : NULL;
-}
+#define to_pci_driver(__drv) \
+ ( __drv ? container_of_const(__drv, struct pci_driver, driver) : NULL )
/**
* PCI_DEVICE - macro used to describe a specific PCI device
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 04ae5c811cfb1e795f10a2cba1c9eae93749bc42..6b7d40d49129dfa612476f20c120681ca9f3ed29 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1187,7 +1187,7 @@ struct phy_driver {
int (*led_polarity_set)(struct phy_device *dev, int index,
unsigned long modes);
};
-#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
+#define to_phy_driver(d) container_of_const(to_mdio_common_driver(d), \
struct phy_driver, mdiodrv)
#define PHY_ANY_ID "MATCH ANY PHY"
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 7a41c72c195918af14bda5511bda57d384b26f68..d422db6eec63d0217332dff7f2897f6062be6d53 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -237,15 +237,14 @@ struct platform_driver {
int (*probe)(struct platform_device *);
/*
- * Traditionally the remove callback returned an int which however is
- * ignored by the driver core. This led to wrong expectations by driver
- * authors who thought returning an error code was a valid error
- * handling strategy. To convert to a callback returning void, new
- * drivers should implement .remove_new() until the conversion it done
- * that eventually makes .remove() return void.
+ * .remove_new() is a relic from a prototype conversion of .remove().
+ * New drivers are supposed to implement .remove(). Once all drivers are
+ * converted to not use .remove_new any more, it will be dropped.
*/
- int (*remove)(struct platform_device *);
- void (*remove_new)(struct platform_device *);
+ union {
+ void (*remove)(struct platform_device *);
+ void (*remove_new)(struct platform_device *);
+ };
void (*shutdown)(struct platform_device *);
int (*suspend)(struct platform_device *, pm_message_t state);
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 7f2ff95d2deb5e4a79dad6cf96ae9626e9ef1bd0..b7a7158aaf65e37ecbb125f48c8ff822b52e48ff 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -383,7 +383,7 @@ struct pnp_driver {
struct device_driver driver;
};
-#define to_pnp_driver(drv) container_of(drv, struct pnp_driver, driver)
+#define to_pnp_driver(drv) container_of_const(drv, struct pnp_driver, driver)
struct pnp_card_driver {
struct list_head global_list;
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 2cd637268b4f9254a5751cefa3d84726457f6df8..3c29f40f3c94b4cd16f7a89bc1171c02db63d2db 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -465,7 +465,7 @@ struct rio_driver {
struct device_driver driver;
};
-#define to_rio_driver(drv) container_of(drv,struct rio_driver, driver)
+#define to_rio_driver(drv) container_of_const(drv,struct rio_driver, driver)
union rio_pw_msg {
struct {
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index 3a9bb5b9a9e8f8116f578bb72919bb92a76cc6fc..688466a0e816247d24704f7ba109667a14226b67 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -945,7 +945,7 @@ struct scmi_device {
struct scmi_handle *handle;
};
-#define to_scmi_dev(d) container_of(d, struct scmi_device, dev)
+#define to_scmi_dev(d) container_of_const(d, struct scmi_device, dev)
struct scmi_device_id {
u8 protocol_id;
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 7ca41af93b37e3108e58bbf9e51ccc4ef141a7cc..bf2191f2535093289fdddab50f2b2029b2340056 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -80,7 +80,7 @@ struct serio_driver {
struct device_driver driver;
};
-#define to_serio_driver(d) container_of(d, struct serio_driver, driver)
+#define to_serio_driver(d) container_of_const(d, struct serio_driver, driver)
int serio_open(struct serio *serio, struct serio_driver *drv);
void serio_close(struct serio *serio);
diff --git a/include/linux/slimbus.h b/include/linux/slimbus.h
index 3042385b7b40333fd0df12dbbfc55933b0d910f2..a4608d9a9684693eb031e74848b77c4b646206c7 100644
--- a/include/linux/slimbus.h
+++ b/include/linux/slimbus.h
@@ -91,7 +91,7 @@ struct slim_driver {
struct device_driver driver;
const struct slim_device_id *id_table;
};
-#define to_slim_driver(d) container_of(d, struct slim_driver, driver)
+#define to_slim_driver(d) container_of_const(d, struct slim_driver, driver)
/**
* struct slim_val_inf - Slimbus value or information element
diff --git a/include/linux/soc/qcom/apr.h b/include/linux/soc/qcom/apr.h
index 7161a3183eda5dc20c107169276bc3a3f6c7314c..a532d1e4b1f4d9588927b1c6a01c7fada72bfd4b 100644
--- a/include/linux/soc/qcom/apr.h
+++ b/include/linux/soc/qcom/apr.h
@@ -162,7 +162,7 @@ struct apr_driver {
};
typedef struct apr_driver gpr_driver_t;
-#define to_apr_driver(d) container_of(d, struct apr_driver, driver)
+#define to_apr_driver(d) container_of_const(d, struct apr_driver, driver)
/*
* use a macro to avoid include chaining to get THIS_MODULE
diff --git a/include/linux/soundwire/sdw_type.h b/include/linux/soundwire/sdw_type.h
index 693320b4f5c2775799852a061eb840e7613c8a0f..d405935a45fec4b3ec9addf6cba2a1b339ac53da 100644
--- a/include/linux/soundwire/sdw_type.h
+++ b/include/linux/soundwire/sdw_type.h
@@ -13,7 +13,7 @@ static inline int is_sdw_slave(const struct device *dev)
return dev->type == &sdw_slave_type;
}
-#define drv_to_sdw_driver(_drv) container_of(_drv, struct sdw_driver, driver)
+#define drv_to_sdw_driver(_drv) container_of_const(_drv, struct sdw_driver, driver)
#define sdw_register_driver(drv) \
__sdw_register_driver(drv, THIS_MODULE)
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index d7a16e0adf446d9677a689c11caa7295a31392ca..e4f3f3d30a039060238312b77df65889ad0af7e6 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -351,10 +351,8 @@ struct spi_driver {
struct device_driver driver;
};
-static inline struct spi_driver *to_spi_driver(struct device_driver *drv)
-{
- return drv ? container_of(drv, struct spi_driver, driver) : NULL;
-}
+#define to_spi_driver(__drv) \
+ ( __drv ? container_of_const(__drv, struct spi_driver, driver) : NULL )
extern int __spi_register_driver(struct module *owner, struct spi_driver *sdrv);
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index a2257380c3f1ceb957cda911ff3d119f2be00135..e1fb11e0f12c0971d732440e79e96ab1157c5a27 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -325,7 +325,7 @@ struct ssb_driver {
struct device_driver drv;
};
-#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv)
+#define drv_to_ssb_drv(_drv) container_of_const(_drv, struct ssb_driver, drv)
extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner);
#define ssb_driver_register(drv) \
diff --git a/include/linux/tc.h b/include/linux/tc.h
index 1638660abf5e05d9a1b76a07d0cbce985a98da19..8416bae9b12620385b15d6110cbd69a248ab677e 100644
--- a/include/linux/tc.h
+++ b/include/linux/tc.h
@@ -108,7 +108,7 @@ struct tc_driver {
struct device_driver driver;
};
-#define to_tc_driver(drv) container_of(drv, struct tc_driver, driver)
+#define to_tc_driver(drv) container_of_const(drv, struct tc_driver, driver)
/*
* Return TURBOchannel clock frequency in Hz.
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index 786b9ae6cf4d5cef359f8e88b863621632f2ef0f..a54c203000ed72733f54dcf2d6886b068b72ea81 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -298,6 +298,6 @@ struct tee_client_driver {
};
#define to_tee_client_driver(d) \
- container_of(d, struct tee_client_driver, driver)
+ container_of_const(d, struct tee_client_driver, driver)
#endif /*__TEE_DRV_H*/
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 96fea920873bffd896fdc21ec4660ade7717e1a0..ecc5cb7b8c91ed6f7b663d1407d6b2927e40953f 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -209,10 +209,7 @@ struct virtio_driver {
int (*restore)(struct virtio_device *dev);
};
-static inline struct virtio_driver *drv_to_virtio(struct device_driver *drv)
-{
- return container_of(drv, struct virtio_driver, driver);
-}
+#define drv_to_virtio(__drv) container_of_const(__drv, struct virtio_driver, driver)
/* use a macro to avoid include chaining to get THIS_MODULE */
#define register_virtio_driver(drv) \
diff --git a/include/linux/zorro.h b/include/linux/zorro.h
index db7416ed60572a7e694657ed124bae2c1af59da6..f36c8d39553d868d889b3e452c4218c0d4ef8de0 100644
--- a/include/linux/zorro.h
+++ b/include/linux/zorro.h
@@ -52,7 +52,7 @@ struct zorro_driver {
struct device_driver driver;
};
-#define to_zorro_driver(drv) container_of(drv, struct zorro_driver, driver)
+#define to_zorro_driver(drv) container_of_const(drv, struct zorro_driver, driver)
#define zorro_for_each_dev(dev) \
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index fb3399e4cd292d7e676e0d7b889e6aa7d53f53c2..bd1243657c019962853849b07fc2ae190ec3b557 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -495,7 +495,7 @@ iscsi_destroy_flashnode_sess(struct iscsi_bus_flash_session *fnode_sess);
extern void iscsi_destroy_all_flashnode(struct Scsi_Host *shost);
extern int iscsi_flashnode_bus_match(struct device *dev,
- struct device_driver *drv);
+ const struct device_driver *drv);
extern struct device *
iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data,
int (*fn)(struct device *dev, void *data));
diff --git a/include/sound/ac97/codec.h b/include/sound/ac97/codec.h
index 2fc641cb198266a3297955588b850238273e2671..882b849b9255e2c40a9917a4e047c2bf2cba1899 100644
--- a/include/sound/ac97/codec.h
+++ b/include/sound/ac97/codec.h
@@ -73,10 +73,7 @@ static inline struct ac97_codec_device *to_ac97_device(struct device *d)
return container_of(d, struct ac97_codec_device, dev);
}
-static inline struct ac97_codec_driver *to_ac97_driver(struct device_driver *d)
-{
- return container_of(d, struct ac97_codec_driver, driver);
-}
+#define to_ac97_driver(__drv) container_of_const(__drv, struct ac97_codec_driver, driver)
#if IS_ENABLED(CONFIG_AC97_BUS_NEW)
int snd_ac97_codec_driver_register(struct ac97_codec_driver *drv);
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index ac22cf08c09f74d889312ca7b40fed21a392a117..3f90bdd387b67f8a2258e35d73a4d67809c34f54 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -124,10 +124,7 @@ struct xenbus_driver {
void (*reclaim_memory)(struct xenbus_device *dev);
};
-static inline struct xenbus_driver *to_xenbus_driver(struct device_driver *drv)
-{
- return container_of(drv, struct xenbus_driver, driver);
-}
+#define to_xenbus_driver(__drv) container_of_const(__drv, struct xenbus_driver, driver)
int __must_check __xenbus_register_frontend(struct xenbus_driver *drv,
struct module *owner,
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 03b427e2707e357ab12abeb9da234432c4bc0fb3..b7f2fa08d9c82c2838b703f3fd25f6e43b88b68a 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -433,8 +433,23 @@ static void zap_modalias_env(struct kobj_uevent_env *env)
len = strlen(env->envp[i]) + 1;
if (i != env->envp_idx - 1) {
+ /* @env->envp[] contains pointers to @env->buf[]
+ * with @env->buflen chars, and we are removing
+ * variable MODALIAS here pointed by @env->envp[i]
+ * with length @len as shown below:
+ *
+ * 0 @env->buf[] @env->buflen
+ * ---------------------------------------------
+ * ^ ^ ^ ^
+ * | |-> @len <-| target block |
+ * @env->envp[0] @env->envp[i] @env->envp[i + 1]
+ *
+ * so the "target block" indicated above is moved
+ * backward by @len, and its right size is
+ * @env->buflen - (@env->envp[i + 1] - @env->envp[0]).
+ */
memmove(env->envp[i], env->envp[i + 1],
- env->buflen - len);
+ env->buflen - (env->envp[i + 1] - env->envp[0]));
for (j = i; j < env->envp_idx - 1; j++)
env->envp[j] = env->envp[j + 1] - len;
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index b7bf34a5eb37ae56e776d63fc4f54f96ff173678..1e42e13ad24e36481e4039bf09f62d2229bb483a 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -62,7 +62,7 @@
#define IUCV_IPNORPY 0x10
#define IUCV_IPALL 0x80
-static int iucv_bus_match(struct device *dev, struct device_driver *drv)
+static int iucv_bus_match(struct device *dev, const struct device_driver *drv)
{
return 0;
}
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index 6deee85a29c89665b5dc21f164288eac4d143a3d..53c996e4bedfe11af0ae0a09b19bbaa6d9bc5a8c 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -12,6 +12,7 @@
#include <linux/blkdev.h>
#include <linux/errname.h>
#include <linux/ethtool.h>
+#include <linux/firmware.h>
#include <linux/jiffies.h>
#include <linux/mdio.h>
#include <linux/phy.h>
diff --git a/rust/helpers.c b/rust/helpers.c
index 3df5217fb2fff87811dd7ce5d76f7c89a647380d..87ed0a5b60990e55f19c4c23a86ccdf9ffe61efd 100644
--- a/rust/helpers.c
+++ b/rust/helpers.c
@@ -23,6 +23,7 @@
#include <kunit/test-bug.h>
#include <linux/bug.h>
#include <linux/build_bug.h>
+#include <linux/device.h>
#include <linux/err.h>
#include <linux/errname.h>
#include <linux/mutex.h>
diff --git a/rust/kernel/device.rs b/rust/kernel/device.rs
new file mode 100644
index 0000000000000000000000000000000000000000..851018eef885e7a10a5c13f3af0b203bae8287ee
--- /dev/null
+++ b/rust/kernel/device.rs
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0
+
+//! Generic devices that are part of the kernel's driver model.
+//!
+//! C header: [`include/linux/device.h`](srctree/include/linux/device.h)
+
+use crate::{
+ bindings,
+ types::{ARef, Opaque},
+};
+use core::ptr;
+
+/// A reference-counted device.
+///
+/// This structure represents the Rust abstraction for a C `struct device`. This implementation
+/// abstracts the usage of an already existing C `struct device` within Rust code that we get
+/// passed from the C side.
+///
+/// An instance of this abstraction can be obtained temporarily or permanent.
+///
+/// A temporary one is bound to the lifetime of the C `struct device` pointer used for creation.
+/// A permanent instance is always reference-counted and hence not restricted by any lifetime
+/// boundaries.
+///
+/// For subsystems it is recommended to create a permanent instance to wrap into a subsystem
+/// specific device structure (e.g. `pci::Device`). This is useful for passing it to drivers in
+/// `T::probe()`, such that a driver can store the `ARef<Device>` (equivalent to storing a
+/// `struct device` pointer in a C driver) for arbitrary purposes, e.g. allocating DMA coherent
+/// memory.
+///
+/// # Invariants
+///
+/// A `Device` instance represents a valid `struct device` created by the C portion of the kernel.
+///
+/// Instances of this type are always reference-counted, that is, a call to `get_device` ensures
+/// that the allocation remains valid at least until the matching call to `put_device`.
+///
+/// `bindings::device::release` is valid to be called from any thread, hence `ARef<Device>` can be
+/// dropped from any thread.
+#[repr(transparent)]
+pub struct Device(Opaque<bindings::device>);
+
+impl Device {
+ /// Creates a new reference-counted abstraction instance of an existing `struct device` pointer.
+ ///
+ /// # Safety
+ ///
+ /// Callers must ensure that `ptr` is valid, non-null, and has a non-zero reference count,
+ /// i.e. it must be ensured that the reference count of the C `struct device` `ptr` points to
+ /// can't drop to zero, for the duration of this function call.
+ ///
+ /// It must also be ensured that `bindings::device::release` can be called from any thread.
+ /// While not officially documented, this should be the case for any `struct device`.
+ pub unsafe fn from_raw(ptr: *mut bindings::device) -> ARef<Self> {
+ // SAFETY: By the safety requirements, ptr is valid.
+ // Initially increase the reference count by one to compensate for the final decrement once
+ // this newly created `ARef<Device>` instance is dropped.
+ unsafe { bindings::get_device(ptr) };
+
+ // CAST: `Self` is a `repr(transparent)` wrapper around `bindings::device`.
+ let ptr = ptr.cast::<Self>();
+
+ // SAFETY: `ptr` is valid by the safety requirements of this function. By the above call to
+ // `bindings::get_device` we also own a reference to the underlying `struct device`.
+ unsafe { ARef::from_raw(ptr::NonNull::new_unchecked(ptr)) }
+ }
+
+ /// Obtain the raw `struct device *`.
+ pub(crate) fn as_raw(&self) -> *mut bindings::device {
+ self.0.get()
+ }
+
+ /// Convert a raw C `struct device` pointer to a `&'a Device`.
+ ///
+ /// # Safety
+ ///
+ /// Callers must ensure that `ptr` is valid, non-null, and has a non-zero reference count,
+ /// i.e. it must be ensured that the reference count of the C `struct device` `ptr` points to
+ /// can't drop to zero, for the duration of this function call and the entire duration when the
+ /// returned reference exists.
+ pub unsafe fn as_ref<'a>(ptr: *mut bindings::device) -> &'a Self {
+ // SAFETY: Guaranteed by the safety requirements of the function.
+ unsafe { &*ptr.cast() }
+ }
+}
+
+// SAFETY: Instances of `Device` are always reference-counted.
+unsafe impl crate::types::AlwaysRefCounted for Device {
+ fn inc_ref(&self) {
+ // SAFETY: The existence of a shared reference guarantees that the refcount is non-zero.
+ unsafe { bindings::get_device(self.as_raw()) };
+ }
+
+ unsafe fn dec_ref(obj: ptr::NonNull<Self>) {
+ // SAFETY: The safety requirements guarantee that the refcount is non-zero.
+ unsafe { bindings::put_device(obj.cast().as_ptr()) }
+ }
+}
+
+// SAFETY: As by the type invariant `Device` can be sent to any thread.
+unsafe impl Send for Device {}
+
+// SAFETY: `Device` can be shared among threads because all immutable methods are protected by the
+// synchronization in `struct device`.
+unsafe impl Sync for Device {}
diff --git a/rust/kernel/firmware.rs b/rust/kernel/firmware.rs
new file mode 100644
index 0000000000000000000000000000000000000000..2ba03af9f0369d74e51b97c38100e8e1d7e0fd66
--- /dev/null
+++ b/rust/kernel/firmware.rs
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0
+
+//! Firmware abstraction
+//!
+//! C header: [`include/linux/firmware.h`](srctree/include/linux/firmware.h")
+
+use crate::{bindings, device::Device, error::Error, error::Result, str::CStr};
+use core::ptr::NonNull;
+
+/// # Invariants
+///
+/// One of the following: `bindings::request_firmware`, `bindings::firmware_request_nowarn`,
+/// `bindings::firmware_request_platform`, `bindings::request_firmware_direct`.
+struct FwFunc(
+ unsafe extern "C" fn(*mut *const bindings::firmware, *const i8, *mut bindings::device) -> i32,
+);
+
+impl FwFunc {
+ fn request() -> Self {
+ Self(bindings::request_firmware)
+ }
+
+ fn request_nowarn() -> Self {
+ Self(bindings::firmware_request_nowarn)
+ }
+}
+
+/// Abstraction around a C `struct firmware`.
+///
+/// This is a simple abstraction around the C firmware API. Just like with the C API, firmware can
+/// be requested. Once requested the abstraction provides direct access to the firmware buffer as
+/// `&[u8]`. The firmware is released once [`Firmware`] is dropped.
+///
+/// # Invariants
+///
+/// The pointer is valid, and has ownership over the instance of `struct firmware`.
+///
+/// The `Firmware`'s backing buffer is not modified.
+///
+/// # Examples
+///
+/// ```no_run
+/// # use kernel::{c_str, device::Device, firmware::Firmware};
+///
+/// # fn no_run() -> Result<(), Error> {
+/// # // SAFETY: *NOT* safe, just for the example to get an `ARef<Device>` instance
+/// # let dev = unsafe { Device::from_raw(core::ptr::null_mut()) };
+///
+/// let fw = Firmware::request(c_str!("path/to/firmware.bin"), &dev)?;
+/// let blob = fw.data();
+///
+/// # Ok(())
+/// # }
+/// ```
+pub struct Firmware(NonNull<bindings::firmware>);
+
+impl Firmware {
+ fn request_internal(name: &CStr, dev: &Device, func: FwFunc) -> Result<Self> {
+ let mut fw: *mut bindings::firmware = core::ptr::null_mut();
+ let pfw: *mut *mut bindings::firmware = &mut fw;
+
+ // SAFETY: `pfw` is a valid pointer to a NULL initialized `bindings::firmware` pointer.
+ // `name` and `dev` are valid as by their type invariants.
+ let ret = unsafe { func.0(pfw as _, name.as_char_ptr(), dev.as_raw()) };
+ if ret != 0 {
+ return Err(Error::from_errno(ret));
+ }
+
+ // SAFETY: `func` not bailing out with a non-zero error code, guarantees that `fw` is a
+ // valid pointer to `bindings::firmware`.
+ Ok(Firmware(unsafe { NonNull::new_unchecked(fw) }))
+ }
+
+ /// Send a firmware request and wait for it. See also `bindings::request_firmware`.
+ pub fn request(name: &CStr, dev: &Device) -> Result<Self> {
+ Self::request_internal(name, dev, FwFunc::request())
+ }
+
+ /// Send a request for an optional firmware module. See also
+ /// `bindings::firmware_request_nowarn`.
+ pub fn request_nowarn(name: &CStr, dev: &Device) -> Result<Self> {
+ Self::request_internal(name, dev, FwFunc::request_nowarn())
+ }
+
+ fn as_raw(&self) -> *mut bindings::firmware {
+ self.0.as_ptr()
+ }
+
+ /// Returns the size of the requested firmware in bytes.
+ pub fn size(&self) -> usize {
+ // SAFETY: `self.as_raw()` is valid by the type invariant.
+ unsafe { (*self.as_raw()).size }
+ }
+
+ /// Returns the requested firmware as `&[u8]`.
+ pub fn data(&self) -> &[u8] {
+ // SAFETY: `self.as_raw()` is valid by the type invariant. Additionally,
+ // `bindings::firmware` guarantees, if successfully requested, that
+ // `bindings::firmware::data` has a size of `bindings::firmware::size` bytes.
+ unsafe { core::slice::from_raw_parts((*self.as_raw()).data, self.size()) }
+ }
+}
+
+impl Drop for Firmware {
+ fn drop(&mut self) {
+ // SAFETY: `self.as_raw()` is valid by the type invariant.
+ unsafe { bindings::release_firmware(self.as_raw()) };
+ }
+}
+
+// SAFETY: `Firmware` only holds a pointer to a C `struct firmware`, which is safe to be used from
+// any thread.
+unsafe impl Send for Firmware {}
+
+// SAFETY: `Firmware` only holds a pointer to a C `struct firmware`, references to which are safe to
+// be used from any thread.
+unsafe impl Sync for Firmware {}
diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs
index 2cf7c6b6f66b9de99c7f62e6fd3f8c4082fa3a17..e6b7d3a80bbce6f16192022b77bc45f863a0d7fa 100644
--- a/rust/kernel/lib.rs
+++ b/rust/kernel/lib.rs
@@ -30,7 +30,10 @@
#[cfg(CONFIG_BLOCK)]
pub mod block;
mod build_assert;
+pub mod device;
pub mod error;
+#[cfg(CONFIG_RUST_FW_LOADER_ABSTRACTIONS)]
+pub mod firmware;
pub mod init;
pub mod ioctl;
#[cfg(CONFIG_KUNIT)]
diff --git a/samples/kobject/kobject-example.c b/samples/kobject/kobject-example.c
index 96678ed73216bc56de15184d3731c3d4f4f57b83..c9c3db19799a8003d71a714cfb0f9a99165b874d 100644
--- a/samples/kobject/kobject-example.c
+++ b/samples/kobject/kobject-example.c
@@ -140,5 +140,6 @@ static void __exit example_exit(void)
module_init(example_init);
module_exit(example_exit);
+MODULE_DESCRIPTION("Sample kobject implementation");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Greg Kroah-Hartman <greg@kroah.com>");
diff --git a/samples/kobject/kset-example.c b/samples/kobject/kset-example.c
index 342452282719378121340df37d7834b5ddc59b2e..552d7e363539a8f82ab8e0446c732f85ed2c5612 100644
--- a/samples/kobject/kset-example.c
+++ b/samples/kobject/kset-example.c
@@ -284,5 +284,6 @@ static void __exit example_exit(void)
module_init(example_init);
module_exit(example_exit);
+MODULE_DESCRIPTION("Sample kset and ktype implementation");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Greg Kroah-Hartman <greg@kroah.com>");
diff --git a/samples/qmi/qmi_sample_client.c b/samples/qmi/qmi_sample_client.c
index c045e3d2432660b85085ae5d3ad55a159e6e8773..a42892523d3bfa9e065bd9e4c08c152bcd36b683 100644
--- a/samples/qmi/qmi_sample_client.c
+++ b/samples/qmi/qmi_sample_client.c
@@ -511,7 +511,7 @@ static int qmi_sample_probe(struct platform_device *pdev)
return ret;
}
-static int qmi_sample_remove(struct platform_device *pdev)
+static void qmi_sample_remove(struct platform_device *pdev)
{
struct qmi_sample *sample = platform_get_drvdata(pdev);
@@ -520,13 +520,11 @@ static int qmi_sample_remove(struct platform_device *pdev)
debugfs_remove(sample->de_dir);
qmi_handle_release(&sample->qmi);
-
- return 0;
}
static struct platform_driver qmi_sample_driver = {
.probe = qmi_sample_probe,
- .remove = qmi_sample_remove,
+ .remove_new = qmi_sample_remove,
.driver = {
.name = "qmi_sample_client",
},
diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c
index 40e88d79c483b451de6e844ab071e22654c91370..96d4d7eb879f3a7765c767d99ac80c9e071efdd3 100644
--- a/sound/ac97/bus.c
+++ b/sound/ac97/bus.c
@@ -469,10 +469,10 @@ static struct attribute *ac97_dev_attrs[] = {
};
ATTRIBUTE_GROUPS(ac97_dev);
-static int ac97_bus_match(struct device *dev, struct device_driver *drv)
+static int ac97_bus_match(struct device *dev, const struct device_driver *drv)
{
struct ac97_codec_device *adev = to_ac97_device(dev);
- struct ac97_codec_driver *adrv = to_ac97_driver(drv);
+ const struct ac97_codec_driver *adrv = to_ac97_driver(drv);
const struct ac97_id *id = adrv->id_table;
int i = 0;
diff --git a/sound/core/seq_device.c b/sound/core/seq_device.c
index 654d620d0199f7e0e501075d22899ff37afa937a..4492be5d2317c7dfceaab354c72e3f07c4070c16 100644
--- a/sound/core/seq_device.c
+++ b/sound/core/seq_device.c
@@ -40,7 +40,7 @@ MODULE_LICENSE("GPL");
/*
* bus definition
*/
-static int snd_seq_bus_match(struct device *dev, struct device_driver *drv)
+static int snd_seq_bus_match(struct device *dev, const struct device_driver *drv)
{
struct snd_seq_device *sdev = to_seq_dev(dev);
struct snd_seq_driver *sdrv = to_seq_drv(drv);
@@ -234,7 +234,7 @@ int snd_seq_device_new(struct snd_card *card, int device, const char *id,
put_device(&dev->dev);
return err;
}
-
+
if (result)
*result = dev;
diff --git a/sound/hda/hda_bus_type.c b/sound/hda/hda_bus_type.c
index cce2c30511a290c023aaba005e5afe81cda3f099..7545ace7b0ee4bbda384edc20e0ccd84af4c083d 100644
--- a/sound/hda/hda_bus_type.c
+++ b/sound/hda/hda_bus_type.c
@@ -46,7 +46,7 @@ static int hdac_codec_match(struct hdac_device *dev, struct hdac_driver *drv)
return 0;
}
-static int hda_bus_match(struct device *dev, struct device_driver *drv)
+static int hda_bus_match(struct device *dev, const struct device_driver *drv)
{
struct hdac_device *hdev = dev_to_hdac_dev(dev);
struct hdac_driver *hdrv = drv_to_hdac_driver(drv);
diff --git a/sound/soc/sof/sof-client.c b/sound/soc/sof/sof-client.c
index 99f74def4ab6009f27c1e85ddcee15af278e1941..5d6005a88e798fd1a1022340d91ea71de5b0b0d6 100644
--- a/sound/soc/sof/sof-client.c
+++ b/sound/soc/sof/sof-client.c
@@ -357,7 +357,7 @@ EXPORT_SYMBOL_NS_GPL(sof_client_ipc4_find_module, SND_SOC_SOF_CLIENT);
int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state)
{
- struct auxiliary_driver *adrv;
+ const struct auxiliary_driver *adrv;
struct sof_client_dev *cdev;
mutex_lock(&sdev->ipc_client_mutex);
@@ -380,7 +380,7 @@ EXPORT_SYMBOL_NS_GPL(sof_suspend_clients, SND_SOC_SOF_CLIENT);
int sof_resume_clients(struct snd_sof_dev *sdev)
{
- struct auxiliary_driver *adrv;
+ const struct auxiliary_driver *adrv;
struct sof_client_dev *cdev;
mutex_lock(&sdev->ipc_client_mutex);