diff --git a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..6f569fbfa134d748b77335b9049ed3e6edfe13c9
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/brcm,iproc-sdhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom IPROC SDHCI controller
+
+maintainers:
+ - Ray Jui <ray.jui@broadcom.com>
+ - Scott Branden <scott.branden@broadcom.com>
+ - Nicolas Saenz Julienne <nsaenz@kernel.org>
+
+allOf:
+ - $ref: mmc-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - brcm,bcm2835-sdhci
+ - brcm,bcm2711-emmc2
+ - brcm,sdhci-iproc-cygnus
+ - brcm,sdhci-iproc
+
+ reg:
+ minItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description:
+ Handle to core clock for the sdhci controller.
+
+ sdhci,auto-cmd12:
+ type: boolean
+ description: Specifies that controller should use auto CMD12
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/bcm-cygnus.h>
+
+ mmc@18041000 {
+ compatible = "brcm,sdhci-iproc-cygnus";
+ reg = <0x18041000 0x100>;
+ interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&lcpll0_clks BCM_CYGNUS_LCPLL0_SDIO_CLK>;
+ bus-width = <4>;
+ sdhci,auto-cmd12;
+ no-1-8-v;
+ };
+...
diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
deleted file mode 100644
index 09d87cc1182aa9ee2deaac406e05402871bdbcbb..0000000000000000000000000000000000000000
--- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-Broadcom IPROC SDHCI controller
-
-This file documents differences between the core properties described
-by mmc.txt and the properties that represent the IPROC SDHCI controller.
-
-Required properties:
-- compatible : Should be one of the following
- "brcm,bcm2835-sdhci"
- "brcm,bcm2711-emmc2"
- "brcm,sdhci-iproc-cygnus"
- "brcm,sdhci-iproc"
-
-Use brcm2835-sdhci for the eMMC controller on the BCM2835 (Raspberry Pi) and
-bcm2711-emmc2 for the additional eMMC2 controller on BCM2711.
-
-Use sdhci-iproc-cygnus for Broadcom SDHCI Controllers
-restricted to 32bit host accesses to SDHCI registers.
-
-Use sdhci-iproc for Broadcom SDHCI Controllers that allow standard
-8, 16, 32-bit host access to SDHCI register.
-
-- clocks : The clock feeding the SDHCI controller.
-
-Optional properties:
- - sdhci,auto-cmd12: specifies that controller should use auto CMD12.
-
-Example:
-
-sdhci0: sdhci@18041000 {
- compatible = "brcm,sdhci-iproc-cygnus";
- reg = <0x18041000 0x100>;
- interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&lcpll0_clks BCM_CYGNUS_LCPLL0_SDIO_CLK>;
- bus-width = <4>;
- sdhci,auto-cmd12;
- no-1-8-v;
-};
diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
index 802c9df23752573f37a2d650b6bfe54f10989cc1..36947181449644fd55fad67fee988adb1668c39b 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
+++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
@@ -103,6 +103,26 @@ properties:
Only eMMC HS400 mode need to take care of this property.
default: 0
+ clocks:
+ maxItems: 3
+ description:
+ Handle clocks for the sdhc controller.
+
+ clock-names:
+ items:
+ - const: ipg
+ - const: ahb
+ - const: per
+
+ pinctrl-names:
+ minItems: 1
+ maxItems: 4
+ items:
+ - const: default
+ - const: state_100mhz
+ - const: state_200mhz
+ - const: sleep
+
required:
- compatible
- reg
diff --git a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
index 75486cca80541c6d83324a2767d6943294296403..5e74db69f5819c3fe2756a701df4026ad2696321 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt
@@ -5,11 +5,11 @@ by mmc.txt and the properties used by the mmc_spi driver.
Required properties:
- spi-max-frequency : maximum frequency for this device (Hz).
-- voltage-ranges : two cells are required, first cell specifies minimum
- slot voltage (mV), second cell specifies maximum slot voltage (mV).
- Several ranges could be specified.
Optional properties:
+- voltage-ranges : two cells are required, first cell specifies minimum
+ slot voltage (mV), second cell specifies maximum slot voltage (mV).
+ Several ranges could be specified. If not provided, 3.2v..3.4v is assumed.
- gpios : may specify GPIOs in this order: Card-Detect GPIO,
Write-Protect GPIO. Note that this does not follow the
binding from mmc.txt, for historical reasons.
diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
index 01630b0ecea773e5c1532efce0e89fd11b4facd4..8648d48dbbfd520ab6ccc51b32b0858e8b495da5 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.yaml
@@ -31,6 +31,7 @@ properties:
- const: mediatek,mt2701-mmc
- items:
- const: mediatek,mt8192-mmc
+ - const: mediatek,mt8195-mmc
- const: mediatek,mt8183-mmc
clocks:
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-of-dwcmshc.txt b/Documentation/devicetree/bindings/mmc/sdhci-of-dwcmshc.txt
deleted file mode 100644
index ee4253b33be2574f095a06f5fa8abe2eed2f08de..0000000000000000000000000000000000000000
--- a/Documentation/devicetree/bindings/mmc/sdhci-of-dwcmshc.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-* Synopsys DesignWare Cores Mobile Storage Host Controller
-
-Required properties:
-- compatible: should be one of the following:
- "snps,dwcmshc-sdhci"
-- reg: offset and length of the register set for the device.
-- interrupts: a single interrupt specifier.
-- clocks: Array of clocks required for SDHCI; requires at least one for
- core clock.
-- clock-names: Array of names corresponding to clocks property; shall be
- "core" for core clock and "bus" for optional bus clock.
-
-Example:
- sdhci2: sdhci@aa0000 {
- compatible = "snps,dwcmshc-sdhci";
- reg = <0xaa0000 0x1000>;
- interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&emmcclk>;
- bus-width = <8>;
- }
diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..e6c9a2f77cc752316f22add398e7b15f441d318e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml
@@ -0,0 +1,87 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/snps,dwcmshc-sdhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys Designware Mobile Storage Host Controller Binding
+
+maintainers:
+ - Ulf Hansson <ulf.hansson@linaro.org>
+ - Jisheng Zhang <Jisheng.Zhang@synaptics.com>
+
+allOf:
+ - $ref: mmc-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - rockchip,rk3568-dwcmshc
+ - snps,dwcmshc-sdhci
+
+ reg:
+ minItems: 1
+ items:
+ - description: Offset and length of the register set for the device
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ items:
+ - description: core clock
+ - description: bus clock for optional
+ - description: axi clock for rockchip specified
+ - description: block clock for rockchip specified
+ - description: timer clock for rockchip specified
+
+
+ clock-names:
+ minItems: 1
+ items:
+ - const: core
+ - const: bus
+ - const: axi
+ - const: block
+ - const: timer
+
+ rockchip,txclk-tapnum:
+ description: Specify the number of delay for tx sampling.
+ $ref: /schemas/types.yaml#/definitions/uint8
+
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ mmc@fe310000 {
+ compatible = "rockchip,rk3568-dwcmshc";
+ reg = <0xfe310000 0x10000>;
+ interrupts = <0 25 0x4>;
+ clocks = <&cru 17>, <&cru 18>, <&cru 19>, <&cru 20>, <&cru 21>;
+ clock-names = "core", "bus", "axi", "block", "timer";
+ bus-width = <8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ - |
+ mmc@aa0000 {
+ compatible = "snps,dwcmshc-sdhci";
+ reg = <0xaa000 0x1000>;
+ interrupts = <0 25 0x4>;
+ clocks = <&cru 17>, <&cru 18>;
+ clock-names = "core", "bus";
+ bus-width = <8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+...
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index 12bc3f5a6cbbd594c56013526b973659d0defe9a..bb1065990aebe5a87f1ec2de7fbaa7b47f1d5542 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -331,18 +331,17 @@ static int h_memstick_read_dev_id(struct memstick_dev *card,
sizeof(struct ms_id_register));
*mrq = &card->current_mrq;
return 0;
- } else {
- if (!(*mrq)->error) {
- memcpy(&id_reg, (*mrq)->data, sizeof(id_reg));
- card->id.match_flags = MEMSTICK_MATCH_ALL;
- card->id.type = id_reg.type;
- card->id.category = id_reg.category;
- card->id.class = id_reg.class;
- dev_dbg(&card->dev, "if_mode = %02x\n", id_reg.if_mode);
- }
- complete(&card->mrq_complete);
- return -EAGAIN;
}
+ if (!(*mrq)->error) {
+ memcpy(&id_reg, (*mrq)->data, sizeof(id_reg));
+ card->id.match_flags = MEMSTICK_MATCH_ALL;
+ card->id.type = id_reg.type;
+ card->id.category = id_reg.category;
+ card->id.class = id_reg.class;
+ dev_dbg(&card->dev, "if_mode = %02x\n", id_reg.if_mode);
+ }
+ complete(&card->mrq_complete);
+ return -EAGAIN;
}
static int h_memstick_set_rw_addr(struct memstick_dev *card,
diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index afb892e7ffc6f2b004546781461c2ecaccf2cacd..cf7fe0d58ee7cf8021b2b8c9b469f30df53bd817 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -1382,7 +1382,8 @@ static int mspro_block_resume(struct memstick_dev *card)
new_msb->card = card;
memstick_set_drvdata(card, new_msb);
- if (mspro_block_init_card(card))
+ rc = mspro_block_init_card(card);
+ if (rc)
goto out_free;
for (cnt = 0; new_msb->attr_group.attrs[cnt]
diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c
index d2ef46337191cafc085520778a1c94e8f2fe3bb6..615a83782e55d46155c7ba4749272aa5d991a368 100644
--- a/drivers/memstick/host/r592.c
+++ b/drivers/memstick/host/r592.c
@@ -359,13 +359,15 @@ static void r592_write_fifo_pio(struct r592_device *dev,
/* Flushes the temporary FIFO used to make aligned DWORD writes */
static void r592_flush_fifo_write(struct r592_device *dev)
{
+ int ret;
u8 buffer[4] = { 0 };
- int len;
if (kfifo_is_empty(&dev->pio_fifo))
return;
- len = kfifo_out(&dev->pio_fifo, buffer, 4);
+ ret = kfifo_out(&dev->pio_fifo, buffer, 4);
+ /* intentionally ignore __must_check return code */
+ (void)ret;
r592_write_reg_raw_be(dev, R592_FIFO_PIO, *(u32 *)buffer);
}
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index d666e24fbe0e0a009ebeac3252793e40f0ab4fc9..689eb9afeeed10868890cae049161de72d198f83 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -539,7 +539,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
if ((MMC_EXTRACT_INDEX_FROM_ARG(cmd.arg) == EXT_CSD_SANITIZE_START) &&
(cmd.opcode == MMC_SWITCH))
- return mmc_sanitize(card);
+ return mmc_sanitize(card, idata->ic.cmd_timeout_ms);
mmc_wait_for_req(card->host, &mrq);
@@ -572,6 +572,18 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
main_md->part_curr = value & EXT_CSD_PART_CONFIG_ACC_MASK;
}
+ /*
+ * Make sure to update CACHE_CTRL in case it was changed. The cache
+ * will get turned back on if the card is re-initialized, e.g.
+ * suspend/resume or hw reset in recovery.
+ */
+ if ((MMC_EXTRACT_INDEX_FROM_ARG(cmd.arg) == EXT_CSD_CACHE_CTRL) &&
+ (cmd.opcode == MMC_SWITCH)) {
+ u8 value = MMC_EXTRACT_VALUE_FROM_ARG(cmd.arg) & 1;
+
+ card->ext_csd.cache_ctrl = value;
+ }
+
/*
* According to the SD specs, some commands require a delay after
* issuing the command.
@@ -947,7 +959,7 @@ static int mmc_blk_reset(struct mmc_blk_data *md, struct mmc_host *host,
md->reset_done |= type;
err = mmc_hw_reset(host);
/* Ensure we switch back to the correct partition */
- if (err != -EOPNOTSUPP) {
+ if (err) {
struct mmc_blk_data *main_md =
dev_get_drvdata(&host->card->dev);
int part_err;
@@ -1933,8 +1945,9 @@ static void mmc_blk_hsq_req_done(struct mmc_request *mrq)
void mmc_blk_mq_complete(struct request *req)
{
struct mmc_queue *mq = req->q->queuedata;
+ struct mmc_host *host = mq->card->host;
- if (mq->use_cqe)
+ if (host->cqe_enabled)
mmc_blk_cqe_complete_rq(mq, req);
else if (likely(!blk_should_fake_timeout(req->q)))
mmc_blk_mq_complete_rq(mq, req);
@@ -2179,7 +2192,7 @@ static int mmc_blk_mq_issue_rw_rq(struct mmc_queue *mq,
static int mmc_blk_wait_for_idle(struct mmc_queue *mq, struct mmc_host *host)
{
- if (mq->use_cqe)
+ if (host->cqe_enabled)
return host->cqe_ops->cqe_wait_for_idle(host);
return mmc_blk_rw_wait(mq, NULL);
@@ -2224,11 +2237,15 @@ enum mmc_issued mmc_blk_mq_issue_rq(struct mmc_queue *mq, struct request *req)
case MMC_ISSUE_ASYNC:
switch (req_op(req)) {
case REQ_OP_FLUSH:
+ if (!mmc_cache_enabled(host)) {
+ blk_mq_end_request(req, BLK_STS_OK);
+ return MMC_REQ_FINISHED;
+ }
ret = mmc_blk_cqe_issue_flush(mq, req);
break;
case REQ_OP_READ:
case REQ_OP_WRITE:
- if (mq->use_cqe)
+ if (host->cqe_enabled)
ret = mmc_blk_cqe_issue_rw_rq(mq, req);
else
ret = mmc_blk_mq_issue_rw_rq(mq, req);
@@ -2261,6 +2278,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
{
struct mmc_blk_data *md;
int devidx, ret;
+ char cap_str[10];
devidx = ida_simple_get(&mmc_blk_ida, 0, max_devices, GFP_KERNEL);
if (devidx < 0) {
@@ -2365,6 +2383,12 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
blk_queue_write_cache(md->queue.queue, true, true);
}
+ string_get_size((u64)size, 512, STRING_UNITS_2,
+ cap_str, sizeof(cap_str));
+ pr_info("%s: %s %s %s %s\n",
+ md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
+ cap_str, md->read_only ? "(ro)" : "");
+
return md;
err_putdisk:
@@ -2407,7 +2431,6 @@ static int mmc_blk_alloc_part(struct mmc_card *card,
const char *subname,
int area_type)
{
- char cap_str[10];
struct mmc_blk_data *part_md;
part_md = mmc_blk_alloc_req(card, disk_to_dev(md->disk), size, default_ro,
@@ -2417,11 +2440,6 @@ static int mmc_blk_alloc_part(struct mmc_card *card,
part_md->part_type = part_type;
list_add(&part_md->part, &md->part);
- string_get_size((u64)get_capacity(part_md->disk), 512, STRING_UNITS_2,
- cap_str, sizeof(cap_str));
- pr_info("%s: %s %s partition %u %s\n",
- part_md->disk->disk_name, mmc_card_id(card),
- mmc_card_name(card), part_md->part_type, cap_str);
return 0;
}
@@ -2558,9 +2576,8 @@ static int mmc_blk_alloc_rpmb_part(struct mmc_card *card,
string_get_size((u64)size, 512, STRING_UNITS_2,
cap_str, sizeof(cap_str));
- pr_info("%s: %s %s partition %u %s, chardev (%d:%d)\n",
- rpmb_name, mmc_card_id(card),
- mmc_card_name(card), EXT_CSD_PART_CONFIG_ACC_RPMB, cap_str,
+ pr_info("%s: %s %s %s, chardev (%d:%d)\n",
+ rpmb_name, mmc_card_id(card), mmc_card_name(card), cap_str,
MAJOR(mmc_rpmb_devt), rpmb->id);
return 0;
@@ -2876,7 +2893,7 @@ static void mmc_blk_remove_debugfs(struct mmc_card *card,
static int mmc_blk_probe(struct mmc_card *card)
{
struct mmc_blk_data *md, *part_md;
- char cap_str[10];
+ int ret = 0;
/*
* Check that the card supports the command class(es) we need.
@@ -2888,31 +2905,30 @@ static int mmc_blk_probe(struct mmc_card *card)
card->complete_wq = alloc_workqueue("mmc_complete",
WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
- if (unlikely(!card->complete_wq)) {
+ if (!card->complete_wq) {
pr_err("Failed to create mmc completion workqueue");
return -ENOMEM;
}
md = mmc_blk_alloc(card);
- if (IS_ERR(md))
- return PTR_ERR(md);
-
- string_get_size((u64)get_capacity(md->disk), 512, STRING_UNITS_2,
- cap_str, sizeof(cap_str));
- pr_info("%s: %s %s %s %s\n",
- md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
- cap_str, md->read_only ? "(ro)" : "");
+ if (IS_ERR(md)) {
+ ret = PTR_ERR(md);
+ goto out_free;
+ }
- if (mmc_blk_alloc_parts(card, md))
+ ret = mmc_blk_alloc_parts(card, md);
+ if (ret)
goto out;
dev_set_drvdata(&card->dev, md);
- if (mmc_add_disk(md))
+ ret = mmc_add_disk(md);
+ if (ret)
goto out;
list_for_each_entry(part_md, &md->part, part) {
- if (mmc_add_disk(part_md))
+ ret = mmc_add_disk(part_md);
+ if (ret)
goto out;
}
@@ -2933,10 +2949,12 @@ static int mmc_blk_probe(struct mmc_card *card)
return 0;
- out:
+out:
mmc_blk_remove_parts(card, md);
mmc_blk_remove_req(md);
- return 0;
+out_free:
+ destroy_workqueue(card->complete_wq);
+ return ret;
}
static void mmc_blk_remove(struct mmc_card *card)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 1136b859ddd86d5397abbd48b9c462cab0e80eaa..f194940c59746b65434adc20a224b8b71861dba4 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1207,7 +1207,7 @@ int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr)
err = mmc_wait_for_cmd(host, &cmd, 0);
if (err)
- return err;
+ goto power_cycle;
if (!mmc_host_is_spi(host) && (cmd.resp[0] & R1_ERROR))
return -EIO;
@@ -1377,63 +1377,13 @@ void mmc_power_cycle(struct mmc_host *host, u32 ocr)
mmc_power_up(host, ocr);
}
-/*
- * Cleanup when the last reference to the bus operator is dropped.
- */
-static void __mmc_release_bus(struct mmc_host *host)
-{
- WARN_ON(!host->bus_dead);
-
- host->bus_ops = NULL;
-}
-
-/*
- * Increase reference count of bus operator
- */
-static inline void mmc_bus_get(struct mmc_host *host)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&host->lock, flags);
- host->bus_refs++;
- spin_unlock_irqrestore(&host->lock, flags);
-}
-
-/*
- * Decrease reference count of bus operator and free it if
- * it is the last reference.
- */
-static inline void mmc_bus_put(struct mmc_host *host)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&host->lock, flags);
- host->bus_refs--;
- if ((host->bus_refs == 0) && host->bus_ops)
- __mmc_release_bus(host);
- spin_unlock_irqrestore(&host->lock, flags);
-}
-
/*
* Assign a mmc bus handler to a host. Only one bus handler may control a
* host at any given time.
*/
void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops)
{
- unsigned long flags;
-
- WARN_ON(!host->claimed);
-
- spin_lock_irqsave(&host->lock, flags);
-
- WARN_ON(host->bus_ops);
- WARN_ON(host->bus_refs);
-
host->bus_ops = ops;
- host->bus_refs = 1;
- host->bus_dead = 0;
-
- spin_unlock_irqrestore(&host->lock, flags);
}
/*
@@ -1441,18 +1391,7 @@ void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops)
*/
void mmc_detach_bus(struct mmc_host *host)
{
- unsigned long flags;
-
- WARN_ON(!host->claimed);
- WARN_ON(!host->bus_ops);
-
- spin_lock_irqsave(&host->lock, flags);
-
- host->bus_dead = 1;
-
- spin_unlock_irqrestore(&host->lock, flags);
-
- mmc_bus_put(host);
+ host->bus_ops = NULL;
}
void _mmc_detect_change(struct mmc_host *host, unsigned long delay, bool cd_irq)
@@ -2080,18 +2019,7 @@ int mmc_hw_reset(struct mmc_host *host)
{
int ret;
- if (!host->card)
- return -EINVAL;
-
- mmc_bus_get(host);
- if (!host->bus_ops || host->bus_dead || !host->bus_ops->hw_reset) {
- mmc_bus_put(host);
- return -EOPNOTSUPP;
- }
-
ret = host->bus_ops->hw_reset(host);
- mmc_bus_put(host);
-
if (ret < 0)
pr_warn("%s: tried to HW reset card, got error %d\n",
mmc_hostname(host), ret);
@@ -2104,18 +2032,10 @@ int mmc_sw_reset(struct mmc_host *host)
{
int ret;
- if (!host->card)
- return -EINVAL;
-
- mmc_bus_get(host);
- if (!host->bus_ops || host->bus_dead || !host->bus_ops->sw_reset) {
- mmc_bus_put(host);
+ if (!host->bus_ops->sw_reset)
return -EOPNOTSUPP;
- }
ret = host->bus_ops->sw_reset(host);
- mmc_bus_put(host);
-
if (ret)
pr_warn("%s: tried to SW reset card, got error %d\n",
mmc_hostname(host), ret);
@@ -2263,32 +2183,15 @@ void mmc_rescan(struct work_struct *work)
host->trigger_card_event = false;
}
- mmc_bus_get(host);
-
/* Verify a registered card to be functional, else remove it. */
- if (host->bus_ops && !host->bus_dead)
+ if (host->bus_ops)
host->bus_ops->detect(host);
host->detect_change = 0;
- /*
- * Let mmc_bus_put() free the bus/bus_ops if we've found that
- * the card is no longer present.
- */
- mmc_bus_put(host);
- mmc_bus_get(host);
-
/* if there still is a card present, stop here */
- if (host->bus_ops != NULL) {
- mmc_bus_put(host);
+ if (host->bus_ops != NULL)
goto out;
- }
-
- /*
- * Only we can add a new handler, so it's safe to
- * release the lock here.
- */
- mmc_bus_put(host);
mmc_claim_host(host);
if (mmc_card_is_removable(host) && host->ops->get_cd &&
@@ -2351,98 +2254,21 @@ void mmc_stop_host(struct mmc_host *host)
/* clear pm flags now and let card drivers set them as needed */
host->pm_flags = 0;
- mmc_bus_get(host);
- if (host->bus_ops && !host->bus_dead) {
+ if (host->bus_ops) {
/* Calling bus_ops->remove() with a claimed host can deadlock */
host->bus_ops->remove(host);
mmc_claim_host(host);
mmc_detach_bus(host);
mmc_power_off(host);
mmc_release_host(host);
- mmc_bus_put(host);
return;
}
- mmc_bus_put(host);
mmc_claim_host(host);
mmc_power_off(host);
mmc_release_host(host);
}
-#ifdef CONFIG_PM_SLEEP
-/* Do the card removal on suspend if card is assumed removeable
- * Do that in pm notifier while userspace isn't yet frozen, so we will be able
- to sync the card.
-*/
-static int mmc_pm_notify(struct notifier_block *notify_block,
- unsigned long mode, void *unused)
-{
- struct mmc_host *host = container_of(
- notify_block, struct mmc_host, pm_notify);
- unsigned long flags;
- int err = 0;
-
- switch (mode) {
- case PM_HIBERNATION_PREPARE:
- case PM_SUSPEND_PREPARE:
- case PM_RESTORE_PREPARE:
- spin_lock_irqsave(&host->lock, flags);
- host->rescan_disable = 1;
- spin_unlock_irqrestore(&host->lock, flags);
- cancel_delayed_work_sync(&host->detect);
-
- if (!host->bus_ops)
- break;
-
- /* Validate prerequisites for suspend */
- if (host->bus_ops->pre_suspend)
- err = host->bus_ops->pre_suspend(host);
- if (!err)
- break;
-
- if (!mmc_card_is_removable(host)) {
- dev_warn(mmc_dev(host),
- "pre_suspend failed for non-removable host: "
- "%d\n", err);
- /* Avoid removing non-removable hosts */
- break;
- }
-
- /* Calling bus_ops->remove() with a claimed host can deadlock */
- host->bus_ops->remove(host);
- mmc_claim_host(host);
- mmc_detach_bus(host);
- mmc_power_off(host);
- mmc_release_host(host);
- host->pm_flags = 0;
- break;
-
- case PM_POST_SUSPEND:
- case PM_POST_HIBERNATION:
- case PM_POST_RESTORE:
-
- spin_lock_irqsave(&host->lock, flags);
- host->rescan_disable = 0;
- spin_unlock_irqrestore(&host->lock, flags);
- _mmc_detect_change(host, 0, false);
-
- }
-
- return 0;
-}
-
-void mmc_register_pm_notifier(struct mmc_host *host)
-{
- host->pm_notify.notifier_call = mmc_pm_notify;
- register_pm_notifier(&host->pm_notify);
-}
-
-void mmc_unregister_pm_notifier(struct mmc_host *host)
-{
- unregister_pm_notifier(&host->pm_notify);
-}
-#endif
-
static int __init mmc_init(void)
{
int ret;
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index 575ac0257af2f1f50a16cb0a7c2e238063b90a62..db3c9c68875d8adbdf59830619d1895fc959d2dd 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -29,6 +29,7 @@ struct mmc_bus_ops {
int (*shutdown)(struct mmc_host *);
int (*hw_reset)(struct mmc_host *);
int (*sw_reset)(struct mmc_host *);
+ bool (*cache_enabled)(struct mmc_host *);
};
void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
@@ -93,14 +94,6 @@ int mmc_execute_tuning(struct mmc_card *card);
int mmc_hs200_to_hs400(struct mmc_card *card);
int mmc_hs400_to_hs200(struct mmc_card *card);
-#ifdef CONFIG_PM_SLEEP
-void mmc_register_pm_notifier(struct mmc_host *host);
-void mmc_unregister_pm_notifier(struct mmc_host *host);
-#else
-static inline void mmc_register_pm_notifier(struct mmc_host *host) { }
-static inline void mmc_unregister_pm_notifier(struct mmc_host *host) { }
-#endif
-
void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq);
bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq);
@@ -171,4 +164,12 @@ static inline void mmc_post_req(struct mmc_host *host, struct mmc_request *mrq,
host->ops->post_req(host, mrq, err);
}
+static inline bool mmc_cache_enabled(struct mmc_host *host)
+{
+ if (host->bus_ops->cache_enabled)
+ return host->bus_ops->cache_enabled(host);
+
+ return false;
+}
+
#endif
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 9b89a91b6b476d325e73672fd324498ccaf171b6..0b0577990ddc98bc81e9dd8bbb432027431d6917 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -35,6 +35,42 @@
static DEFINE_IDA(mmc_host_ida);
+#ifdef CONFIG_PM_SLEEP
+static int mmc_host_class_prepare(struct device *dev)
+{
+ struct mmc_host *host = cls_dev_to_mmc_host(dev);
+
+ /*
+ * It's safe to access the bus_ops pointer, as both userspace and the
+ * workqueue for detecting cards are frozen at this point.
+ */
+ if (!host->bus_ops)
+ return 0;
+
+ /* Validate conditions for system suspend. */
+ if (host->bus_ops->pre_suspend)
+ return host->bus_ops->pre_suspend(host);
+
+ return 0;
+}
+
+static void mmc_host_class_complete(struct device *dev)
+{
+ struct mmc_host *host = cls_dev_to_mmc_host(dev);
+
+ _mmc_detect_change(host, 0, false);
+}
+
+static const struct dev_pm_ops mmc_host_class_dev_pm_ops = {
+ .prepare = mmc_host_class_prepare,
+ .complete = mmc_host_class_complete,
+};
+
+#define MMC_HOST_CLASS_DEV_PM_OPS (&mmc_host_class_dev_pm_ops)
+#else
+#define MMC_HOST_CLASS_DEV_PM_OPS NULL
+#endif
+
static void mmc_host_classdev_release(struct device *dev)
{
struct mmc_host *host = cls_dev_to_mmc_host(dev);
@@ -46,6 +82,7 @@ static void mmc_host_classdev_release(struct device *dev)
static struct class mmc_host_class = {
.name = "mmc_host",
.dev_release = mmc_host_classdev_release,
+ .pm = MMC_HOST_CLASS_DEV_PM_OPS,
};
int mmc_register_host_class(void)
@@ -209,8 +246,8 @@ mmc_of_parse_clk_phase(struct mmc_host *host, struct mmc_clk_phase_map *map)
EXPORT_SYMBOL(mmc_of_parse_clk_phase);
/**
- * mmc_of_parse() - parse host's device-tree node
- * @host: host whose node should be parsed.
+ * mmc_of_parse() - parse host's device properties
+ * @host: host whose properties should be parsed.
*
* To keep the rest of the MMC subsystem unaware of whether DT has been
* used to to instantiate and configure this host instance or not, we
@@ -379,44 +416,62 @@ EXPORT_SYMBOL(mmc_of_parse);
/**
* mmc_of_parse_voltage - return mask of supported voltages
- * @np: The device node need to be parsed.
+ * @host: host whose properties should be parsed.
* @mask: mask of voltages available for MMC/SD/SDIO
*
- * Parse the "voltage-ranges" DT property, returning zero if it is not
+ * Parse the "voltage-ranges" property, returning zero if it is not
* found, negative errno if the voltage-range specification is invalid,
* or one if the voltage-range is specified and successfully parsed.
*/
-int mmc_of_parse_voltage(struct device_node *np, u32 *mask)
+int mmc_of_parse_voltage(struct mmc_host *host, u32 *mask)
{
- const u32 *voltage_ranges;
+ const char *prop = "voltage-ranges";
+ struct device *dev = host->parent;
+ u32 *voltage_ranges;
int num_ranges, i;
+ int ret;
- voltage_ranges = of_get_property(np, "voltage-ranges", &num_ranges);
- if (!voltage_ranges) {
- pr_debug("%pOF: voltage-ranges unspecified\n", np);
+ if (!device_property_present(dev, prop)) {
+ dev_dbg(dev, "%s unspecified\n", prop);
return 0;
}
- num_ranges = num_ranges / sizeof(*voltage_ranges) / 2;
+
+ ret = device_property_count_u32(dev, prop);
+ if (ret < 0)
+ return ret;
+
+ num_ranges = ret / 2;
if (!num_ranges) {
- pr_err("%pOF: voltage-ranges empty\n", np);
+ dev_err(dev, "%s empty\n", prop);
return -EINVAL;
}
+ voltage_ranges = kcalloc(2 * num_ranges, sizeof(*voltage_ranges), GFP_KERNEL);
+ if (!voltage_ranges)
+ return -ENOMEM;
+
+ ret = device_property_read_u32_array(dev, prop, voltage_ranges, 2 * num_ranges);
+ if (ret) {
+ kfree(voltage_ranges);
+ return ret;
+ }
+
for (i = 0; i < num_ranges; i++) {
const int j = i * 2;
u32 ocr_mask;
- ocr_mask = mmc_vddrange_to_ocrmask(
- be32_to_cpu(voltage_ranges[j]),
- be32_to_cpu(voltage_ranges[j + 1]));
+ ocr_mask = mmc_vddrange_to_ocrmask(voltage_ranges[j + 0],
+ voltage_ranges[j + 1]);
if (!ocr_mask) {
- pr_err("%pOF: voltage-range #%d is invalid\n",
- np, i);
+ dev_err(dev, "range #%d in %s is invalid\n", i, prop);
+ kfree(voltage_ranges);
return -EINVAL;
}
*mask |= ocr_mask;
}
+ kfree(voltage_ranges);
+
return 1;
}
EXPORT_SYMBOL(mmc_of_parse_voltage);
@@ -538,8 +593,6 @@ int mmc_add_host(struct mmc_host *host)
#endif
mmc_start_host(host);
- mmc_register_pm_notifier(host);
-
return 0;
}
@@ -555,7 +608,6 @@ EXPORT_SYMBOL(mmc_add_host);
*/
void mmc_remove_host(struct mmc_host *host)
{
- mmc_unregister_pm_notifier(host);
mmc_stop_host(host);
#ifdef CONFIG_DEBUG_FS
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 8741271d39712b4950a039c3244c0f26fbb08575..8674c3e0c02c22056cdbb8b071df3c1b17ead335 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1068,7 +1068,7 @@ static int mmc_select_hs(struct mmc_card *card)
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_HS_TIMING, EXT_CSD_TIMING_HS,
card->ext_csd.generic_cmd6_time, MMC_TIMING_MMC_HS,
- true, true);
+ true, true, MMC_CMD_RETRIES);
if (err)
pr_warn("%s: switch to high-speed failed, err:%d\n",
mmc_hostname(card->host), err);
@@ -1100,7 +1100,7 @@ static int mmc_select_hs_ddr(struct mmc_card *card)
ext_csd_bits,
card->ext_csd.generic_cmd6_time,
MMC_TIMING_MMC_DDR52,
- true, true);
+ true, true, MMC_CMD_RETRIES);
if (err) {
pr_err("%s: switch to bus width %d ddr failed\n",
mmc_hostname(host), 1 << bus_width);
@@ -1168,7 +1168,7 @@ static int mmc_select_hs400(struct mmc_card *card)
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_HS_TIMING, val,
card->ext_csd.generic_cmd6_time, 0,
- false, true);
+ false, true, MMC_CMD_RETRIES);
if (err) {
pr_err("%s: switch to high-speed from hs200 failed, err:%d\n",
mmc_hostname(host), err);
@@ -1210,7 +1210,7 @@ static int mmc_select_hs400(struct mmc_card *card)
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_HS_TIMING, val,
card->ext_csd.generic_cmd6_time, 0,
- false, true);
+ false, true, MMC_CMD_RETRIES);
if (err) {
pr_err("%s: switch to hs400 failed, err:%d\n",
mmc_hostname(host), err);
@@ -1256,7 +1256,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
val = EXT_CSD_TIMING_HS;
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING,
val, card->ext_csd.generic_cmd6_time, 0,
- false, true);
+ false, true, MMC_CMD_RETRIES);
if (err)
goto out_err;
@@ -1272,7 +1272,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
/* Switch HS DDR to HS */
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH,
EXT_CSD_BUS_WIDTH_8, card->ext_csd.generic_cmd6_time,
- 0, false, true);
+ 0, false, true, MMC_CMD_RETRIES);
if (err)
goto out_err;
@@ -1287,7 +1287,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
card->drive_strength << EXT_CSD_DRV_STR_SHIFT;
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING,
val, card->ext_csd.generic_cmd6_time, 0,
- false, true);
+ false, true, MMC_CMD_RETRIES);
if (err)
goto out_err;
@@ -1371,7 +1371,7 @@ static int mmc_select_hs400es(struct mmc_card *card)
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_HS_TIMING, EXT_CSD_TIMING_HS,
card->ext_csd.generic_cmd6_time, 0,
- false, true);
+ false, true, MMC_CMD_RETRIES);
if (err) {
pr_err("%s: switch to hs for hs400es failed, err:%d\n",
mmc_hostname(host), err);
@@ -1405,7 +1405,7 @@ static int mmc_select_hs400es(struct mmc_card *card)
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_HS_TIMING, val,
card->ext_csd.generic_cmd6_time, 0,
- false, true);
+ false, true, MMC_CMD_RETRIES);
if (err) {
pr_err("%s: switch to hs400es failed, err:%d\n",
mmc_hostname(host), err);
@@ -1470,7 +1470,7 @@ static int mmc_select_hs200(struct mmc_card *card)
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_HS_TIMING, val,
card->ext_csd.generic_cmd6_time, 0,
- false, true);
+ false, true, MMC_CMD_RETRIES);
if (err)
goto err;
old_timing = host->ios.timing;
@@ -1975,7 +1975,7 @@ static int mmc_poweroff_notify(struct mmc_card *card, unsigned int notify_type)
err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_POWER_OFF_NOTIFICATION,
- notify_type, timeout, 0, false, false);
+ notify_type, timeout, 0, false, false, MMC_CMD_RETRIES);
if (err)
pr_err("%s: Power Off Notification timed out, %u\n",
mmc_hostname(card->host), timeout);
@@ -2029,6 +2029,12 @@ static void mmc_detect(struct mmc_host *host)
}
}
+static bool _mmc_cache_enabled(struct mmc_host *host)
+{
+ return host->card->ext_csd.cache_size > 0 &&
+ host->card->ext_csd.cache_ctrl & 1;
+}
+
static int _mmc_suspend(struct mmc_host *host, bool is_suspend)
{
int err = 0;
@@ -2208,6 +2214,7 @@ static const struct mmc_bus_ops mmc_ops = {
.alive = mmc_alive,
.shutdown = mmc_shutdown,
.hw_reset = _mmc_hw_reset,
+ .cache_enabled = _mmc_cache_enabled,
};
/*
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 265d95ec82ce16f063accfce5d0c84af7314ea45..5756781fef376af0b528956a30a4594503f5969e 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -296,61 +296,40 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
return 0;
}
-static int mmc_spi_send_csd(struct mmc_host *host, u32 *csd)
+static int mmc_spi_send_cxd(struct mmc_host *host, u32 *cxd, u32 opcode)
{
int ret, i;
- __be32 *csd_tmp;
+ __be32 *cxd_tmp;
- csd_tmp = kzalloc(16, GFP_KERNEL);
- if (!csd_tmp)
+ cxd_tmp = kzalloc(16, GFP_KERNEL);
+ if (!cxd_tmp)
return -ENOMEM;
- ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CSD, csd_tmp, 16);
+ ret = mmc_send_cxd_data(NULL, host, opcode, cxd_tmp, 16);
if (ret)
goto err;
for (i = 0; i < 4; i++)
- csd[i] = be32_to_cpu(csd_tmp[i]);
+ cxd[i] = be32_to_cpu(cxd_tmp[i]);
err:
- kfree(csd_tmp);
+ kfree(cxd_tmp);
return ret;
}
int mmc_send_csd(struct mmc_card *card, u32 *csd)
{
if (mmc_host_is_spi(card->host))
- return mmc_spi_send_csd(card->host, csd);
+ return mmc_spi_send_cxd(card->host, csd, MMC_SEND_CSD);
return mmc_send_cxd_native(card->host, card->rca << 16, csd,
MMC_SEND_CSD);
}
-static int mmc_spi_send_cid(struct mmc_host *host, u32 *cid)
-{
- int ret, i;
- __be32 *cid_tmp;
-
- cid_tmp = kzalloc(16, GFP_KERNEL);
- if (!cid_tmp)
- return -ENOMEM;
-
- ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CID, cid_tmp, 16);
- if (ret)
- goto err;
-
- for (i = 0; i < 4; i++)
- cid[i] = be32_to_cpu(cid_tmp[i]);
-
-err:
- kfree(cid_tmp);
- return ret;
-}
-
int mmc_send_cid(struct mmc_host *host, u32 *cid)
{
if (mmc_host_is_spi(host))
- return mmc_spi_send_cid(host, cid);
+ return mmc_spi_send_cxd(host, cid, MMC_SEND_CID);
return mmc_send_cxd_native(host, 0, cid, MMC_ALL_SEND_CID);
}
@@ -553,12 +532,13 @@ int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
* @timing: new timing to change to
* @send_status: send status cmd to poll for busy
* @retry_crc_err: retry when CRC errors when polling with CMD13 for busy
+ * @retries: number of retries
*
* Modifies the EXT_CSD register for selected card.
*/
int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
unsigned int timeout_ms, unsigned char timing,
- bool send_status, bool retry_crc_err)
+ bool send_status, bool retry_crc_err, unsigned int retries)
{
struct mmc_host *host = card->host;
int err;
@@ -598,7 +578,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
cmd.flags |= MMC_RSP_SPI_R1 | MMC_RSP_R1;
}
- err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
+ err = mmc_wait_for_cmd(host, &cmd, retries);
if (err)
goto out;
@@ -633,7 +613,7 @@ int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
unsigned int timeout_ms)
{
return __mmc_switch(card, set, index, value, timeout_ms, 0,
- true, false);
+ true, false, MMC_CMD_RETRIES);
}
EXPORT_SYMBOL_GPL(mmc_switch);
@@ -988,9 +968,7 @@ int mmc_flush_cache(struct mmc_card *card)
{
int err = 0;
- if (mmc_card_mmc(card) &&
- (card->ext_csd.cache_size > 0) &&
- (card->ext_csd.cache_ctrl & 1)) {
+ if (mmc_cache_enabled(card->host)) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_FLUSH_CACHE, 1,
MMC_CACHE_FLUSH_TIMEOUT_MS);
@@ -1031,7 +1009,7 @@ int mmc_cmdq_disable(struct mmc_card *card)
}
EXPORT_SYMBOL_GPL(mmc_cmdq_disable);
-int mmc_sanitize(struct mmc_card *card)
+int mmc_sanitize(struct mmc_card *card, unsigned int timeout_ms)
{
struct mmc_host *host = card->host;
int err;
@@ -1041,12 +1019,15 @@ int mmc_sanitize(struct mmc_card *card)
return -EOPNOTSUPP;
}
+ if (!timeout_ms)
+ timeout_ms = MMC_SANITIZE_TIMEOUT_MS;
+
pr_debug("%s: Sanitize in progress...\n", mmc_hostname(host));
mmc_retune_hold(host);
- err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_SANITIZE_START,
- 1, MMC_SANITIZE_TIMEOUT_MS);
+ err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_SANITIZE_START,
+ 1, timeout_ms, 0, true, false, 0);
if (err)
pr_err("%s: Sanitize failed err=%d\n", mmc_hostname(host), err);
diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h
index 632009260e51d2a34748658d82cf3791b4d0c3f7..7bc1cfb0654c385902b3948c24432bfa9435b536 100644
--- a/drivers/mmc/core/mmc_ops.h
+++ b/drivers/mmc/core/mmc_ops.h
@@ -39,14 +39,14 @@ int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
enum mmc_busy_cmd busy_cmd);
int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
unsigned int timeout_ms, unsigned char timing,
- bool send_status, bool retry_crc_err);
+ bool send_status, bool retry_crc_err, unsigned int retries);
int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
unsigned int timeout_ms);
void mmc_run_bkops(struct mmc_card *card);
int mmc_flush_cache(struct mmc_card *card);
int mmc_cmdq_enable(struct mmc_card *card);
int mmc_cmdq_disable(struct mmc_card *card);
-int mmc_sanitize(struct mmc_card *card);
+int mmc_sanitize(struct mmc_card *card, unsigned int timeout_ms);
#endif
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 27d2b8ed94846585d12ecd317527e738cf5828d8..d600e0a4a4604fba52b2a8a1a550d0f55ac6c0a0 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -60,7 +60,7 @@ enum mmc_issue_type mmc_issue_type(struct mmc_queue *mq, struct request *req)
{
struct mmc_host *host = mq->card->host;
- if (mq->use_cqe && !host->hsq_enabled)
+ if (host->cqe_enabled && !host->hsq_enabled)
return mmc_cqe_issue_type(host, req);
if (req_op(req) == REQ_OP_READ || req_op(req) == REQ_OP_WRITE)
@@ -127,7 +127,7 @@ static enum blk_eh_timer_return mmc_mq_timed_out(struct request *req,
bool ignore_tout;
spin_lock_irqsave(&mq->lock, flags);
- ignore_tout = mq->recovery_needed || !mq->use_cqe || host->hsq_enabled;
+ ignore_tout = mq->recovery_needed || !host->cqe_enabled || host->hsq_enabled;
spin_unlock_irqrestore(&mq->lock, flags);
return ignore_tout ? BLK_EH_RESET_TIMER : mmc_cqe_timed_out(req);
@@ -144,7 +144,7 @@ static void mmc_mq_recovery_handler(struct work_struct *work)
mq->in_recovery = true;
- if (mq->use_cqe && !host->hsq_enabled)
+ if (host->cqe_enabled && !host->hsq_enabled)
mmc_blk_cqe_recovery(mq);
else
mmc_blk_mq_recovery(mq);
@@ -315,7 +315,7 @@ static blk_status_t mmc_mq_queue_rq(struct blk_mq_hw_ctx *hctx,
if (get_card)
mmc_get_card(card, &mq->ctx);
- if (mq->use_cqe) {
+ if (host->cqe_enabled) {
host->retune_now = host->need_retune && cqe_retune_ok &&
!host->hold_retune;
}
@@ -430,7 +430,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
int ret;
mq->card = card;
- mq->use_cqe = host->cqe_enabled;
spin_lock_init(&mq->lock);
@@ -440,7 +439,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
* The queue depth for CQE must match the hardware because the request
* tag is used to index the hardware queue.
*/
- if (mq->use_cqe && !host->hsq_enabled)
+ if (host->cqe_enabled && !host->hsq_enabled)
mq->tag_set.queue_depth =
min_t(int, card->ext_csd.cmdq_depth, host->cqe_qdepth);
else
diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h
index 57c59b6cb1b933833235fb8f2be81b7b083e3f9b..3319d8ab57d0d47f07ea112382345da0c56b273e 100644
--- a/drivers/mmc/core/queue.h
+++ b/drivers/mmc/core/queue.h
@@ -82,7 +82,6 @@ struct mmc_queue {
unsigned int cqe_busy;
#define MMC_CQE_DCMD_BUSY BIT(0)
bool busy;
- bool use_cqe;
bool recovery_needed;
bool in_recovery;
bool rw_wait;
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 6fa51a6ed0585611957415f2a2e503156c8a16a9..2c48d650410131d9c155b47b284826af05e4bb35 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -135,6 +135,9 @@ static int mmc_decode_csd(struct mmc_card *card)
csd->erase_size = UNSTUFF_BITS(resp, 39, 7) + 1;
csd->erase_size <<= csd->write_blkbits - 9;
}
+
+ if (UNSTUFF_BITS(resp, 13, 1))
+ mmc_card_set_readonly(card);
break;
case 1:
/*
@@ -169,6 +172,9 @@ static int mmc_decode_csd(struct mmc_card *card)
csd->write_blkbits = 9;
csd->write_partial = 0;
csd->erase_size = 1;
+
+ if (UNSTUFF_BITS(resp, 13, 1))
+ mmc_card_set_readonly(card);
break;
default:
pr_err("%s: unrecognised CSD structure version %d\n",
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 0fda7784cab20c6794067a4200c468b66be3da90..3eb94ac2712e7a23990e02d4911f96c252962c44 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -985,21 +985,37 @@ static void mmc_sdio_detect(struct mmc_host *host)
*/
static int mmc_sdio_pre_suspend(struct mmc_host *host)
{
- int i, err = 0;
+ int i;
for (i = 0; i < host->card->sdio_funcs; i++) {
struct sdio_func *func = host->card->sdio_func[i];
if (func && sdio_func_present(func) && func->dev.driver) {
const struct dev_pm_ops *pmops = func->dev.driver->pm;
- if (!pmops || !pmops->suspend || !pmops->resume) {
+ if (!pmops || !pmops->suspend || !pmops->resume)
/* force removal of entire card in that case */
- err = -ENOSYS;
- break;
- }
+ goto remove;
}
}
- return err;
+ return 0;
+
+remove:
+ if (!mmc_card_is_removable(host)) {
+ dev_warn(mmc_dev(host),
+ "missing suspend/resume ops for non-removable SDIO card\n");
+ /* Don't remove a non-removable card - we can't re-detect it. */
+ return 0;
+ }
+
+ /* Remove the SDIO card and let it be re-detected later on. */
+ mmc_sdio_remove(host);
+ mmc_claim_host(host);
+ mmc_detach_bus(host);
+ mmc_power_off(host);
+ mmc_release_host(host);
+ host->pm_flags = 0;
+
+ return 0;
}
/*
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index b236dfe2e8798359b5e87f647374de7486cb8cb5..a4d4c757eea09dee6db88274aa32d84b706b8c11 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -278,6 +278,7 @@ config MMC_SDHCI_ESDHC_IMX
tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller"
depends on ARCH_MXC || COMPILE_TEST
depends on MMC_SDHCI_PLTFM
+ depends on OF
select MMC_SDHCI_IO_ACCESSORS
select MMC_CQHCI
help
@@ -707,6 +708,7 @@ config MMC_SDHI
tristate "Renesas SDHI SD/SDIO controller support"
depends on SUPERH || ARCH_RENESAS || COMPILE_TEST
select MMC_TMIO_CORE
+ select RESET_CONTROLLER if ARCH_RENESAS
help
This provides support for the SDHI SD/SDIO controller found in
Renesas SuperH, ARM and ARM64 based SoCs
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 6df5c4774260c4c1560e57a01808964bff857d89..14004cc09aaad13e95dc61b265334fe84326761a 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -34,9 +34,7 @@ obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o
obj-$(CONFIG_MMC_MVSDIO) += mvsdio.o
obj-$(CONFIG_MMC_DAVINCI) += davinci_mmc.o
obj-$(CONFIG_MMC_SPI) += mmc_spi.o
-ifeq ($(CONFIG_OF),y)
obj-$(CONFIG_MMC_SPI) += of_mmc_spi.o
-endif
obj-$(CONFIG_MMC_S3C) += s3cmci.o
obj-$(CONFIG_MMC_SDRICOH_CS) += sdricoh_cs.o
obj-$(CONFIG_MMC_TMIO) += tmio_mmc.o
diff --git a/drivers/mmc/host/cavium.c b/drivers/mmc/host/cavium.c
index 4bb8f2800a2b1f3c888778d419c64f4697af1c07..95a41983c6c0728026232c14c28a5958675a3bc9 100644
--- a/drivers/mmc/host/cavium.c
+++ b/drivers/mmc/host/cavium.c
@@ -656,8 +656,7 @@ static void cvm_mmc_dma_request(struct mmc_host *mmc,
if (!mrq->data || !mrq->data->sg || !mrq->data->sg_len ||
!mrq->stop || mrq->stop->opcode != MMC_STOP_TRANSMISSION) {
- dev_err(&mmc->card->dev,
- "Error: cmv_mmc_dma_request no data\n");
+ dev_err(&mmc->card->dev, "Error: %s no data\n", __func__);
goto error;
}
diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c
index 29d2494eb27a310ab5b1dddfc257f7042cefa5e6..0311a37dd4abfafdecc5030b992637d550a20b5e 100644
--- a/drivers/mmc/host/dw_mmc-k3.c
+++ b/drivers/mmc/host/dw_mmc-k3.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2013 Linaro Ltd.
- * Copyright (c) 2013 Hisilicon Limited.
+ * Copyright (c) 2013 HiSilicon Limited.
*/
#include <linux/bitops.h>
diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
index 753502ce3c85865b6135dfdb4b7405e8387f67b5..d36991acd6df4dbc369f9309b317fe2859db9894 100644
--- a/drivers/mmc/host/dw_mmc-rockchip.c
+++ b/drivers/mmc/host/dw_mmc-rockchip.c
@@ -61,7 +61,7 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios)
}
/* Make sure we use phases which we can enumerate with */
- if (!IS_ERR(priv->sample_clk))
+ if (!IS_ERR(priv->sample_clk) && ios->timing <= MMC_TIMING_SD_HS)
clk_set_phase(priv->sample_clk, priv->default_sample_phase);
/*
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 2f4de30f650b2833987d3d49ea95bf53bac0c501..d333130d15315a5efb6be73a2c3c415362bafc2f 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2606,8 +2606,6 @@ static void dw_mci_handle_cd(struct dw_mci *host)
{
struct dw_mci_slot *slot = host->slot;
- if (slot->mmc->ops->card_event)
- slot->mmc->ops->card_event(slot->mmc);
mmc_detect_change(slot->mmc,
msecs_to_jiffies(host->pdata->detect_delay_ms));
}
@@ -3095,10 +3093,8 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
/* find reset controller when exist */
pdata->rstc = devm_reset_control_get_optional_exclusive(dev, "reset");
- if (IS_ERR(pdata->rstc)) {
- if (PTR_ERR(pdata->rstc) == -EPROBE_DEFER)
- return ERR_PTR(-EPROBE_DEFER);
- }
+ if (IS_ERR(pdata->rstc))
+ return ERR_CAST(pdata->rstc);
if (device_property_read_u32(dev, "fifo-depth", &pdata->fifo_depth))
dev_info(dev,
@@ -3204,7 +3200,7 @@ int dw_mci_probe(struct dw_mci *host)
goto err_clk_ciu;
}
- if (!IS_ERR(host->pdata->rstc)) {
+ if (host->pdata->rstc) {
reset_control_assert(host->pdata->rstc);
usleep_range(10, 50);
reset_control_deassert(host->pdata->rstc);
@@ -3344,8 +3340,7 @@ int dw_mci_probe(struct dw_mci *host)
if (host->use_dma && host->dma_ops->exit)
host->dma_ops->exit(host);
- if (!IS_ERR(host->pdata->rstc))
- reset_control_assert(host->pdata->rstc);
+ reset_control_assert(host->pdata->rstc);
err_clk_ciu:
clk_disable_unprepare(host->ciu_clk);
@@ -3373,8 +3368,7 @@ void dw_mci_remove(struct dw_mci *host)
if (host->use_dma && host->dma_ops->exit)
host->dma_ops->exit(host);
- if (!IS_ERR(host->pdata->rstc))
- reset_control_assert(host->pdata->rstc);
+ reset_control_assert(host->pdata->rstc);
clk_disable_unprepare(host->ciu_clk);
clk_disable_unprepare(host->biu_clk);
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 02f4fd26e76a92694ca6475c269a94aea0223889..9776a03a10f5d89abd377f698218d62089bd29ce 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1397,6 +1397,8 @@ static int mmc_spi_probe(struct spi_device *spi)
host->ones = ones;
+ dev_set_drvdata(&spi->dev, mmc);
+
/* Platform data is used to hook up things like card sensing
* and power switching gpios.
*/
@@ -1413,8 +1415,6 @@ static int mmc_spi_probe(struct spi_device *spi)
host->powerup_msecs = 250;
}
- dev_set_drvdata(&spi->dev, mmc);
-
/* preallocate dma buffers */
host->data = kmalloc(sizeof(*host->data), GFP_KERNEL);
if (!host->data)
@@ -1494,8 +1494,8 @@ static int mmc_spi_probe(struct spi_device *spi)
fail_dma:
kfree(host->data);
fail_nobuf1:
- mmc_free_host(mmc);
mmc_spi_put_pdata(spi);
+ mmc_free_host(mmc);
nomem:
kfree(ones);
return status;
@@ -1518,8 +1518,8 @@ static int mmc_spi_remove(struct spi_device *spi)
kfree(host->ones);
spi->max_speed_hz = mmc->f_max;
- mmc_free_host(mmc);
mmc_spi_put_pdata(spi);
+ mmc_free_host(mmc);
return 0;
}
diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index 89bff4e8ec10a5361ce7666cbc1d7886e12ed01b..bde2988875797aecbb74b1208a1fec104f9ffa57 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -257,7 +257,6 @@ static void moxart_dma_complete(void *param)
static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
{
u32 len, dir_slave;
- long dma_time;
struct dma_async_tx_descriptor *desc = NULL;
struct dma_chan *dma_chan;
@@ -294,8 +293,8 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
data->bytes_xfered += host->data_remain;
- dma_time = wait_for_completion_interruptible_timeout(
- &host->dma_complete, host->timeout);
+ wait_for_completion_interruptible_timeout(&host->dma_complete,
+ host->timeout);
dma_unmap_sg(dma_chan->device->dev,
data->sg, data->sg_len,
@@ -395,7 +394,6 @@ static void moxart_prepare_data(struct moxart_host *host)
static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
{
struct moxart_host *host = mmc_priv(mmc);
- long pio_time;
unsigned long flags;
u32 status;
@@ -431,8 +429,8 @@ static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
spin_unlock_irqrestore(&host->lock, flags);
/* PIO transfers start from interrupt. */
- pio_time = wait_for_completion_interruptible_timeout(
- &host->pio_complete, host->timeout);
+ wait_for_completion_interruptible_timeout(&host->pio_complete,
+ host->timeout);
spin_lock_irqsave(&host->lock, flags);
}
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index 3c4d950a4755353236a4a78b3f906e73d796e0ac..9d480a05f6554886bdf1062eb4fde0b1661af831 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -19,11 +19,6 @@
#include <linux/mmc/core.h>
#include <linux/mmc/host.h>
-/* For archs that don't support NO_IRQ (such as mips), provide a dummy value */
-#ifndef NO_IRQ
-#define NO_IRQ 0
-#endif
-
MODULE_LICENSE("GPL");
struct of_mmc_spi {
@@ -54,22 +49,22 @@ static void of_mmc_spi_exit(struct device *dev, void *mmc)
struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
{
+ struct mmc_host *mmc = dev_get_drvdata(&spi->dev);
struct device *dev = &spi->dev;
- struct device_node *np = dev->of_node;
struct of_mmc_spi *oms;
- if (dev->platform_data || !np)
+ if (dev->platform_data || !dev_fwnode(dev))
return dev->platform_data;
oms = kzalloc(sizeof(*oms), GFP_KERNEL);
if (!oms)
return NULL;
- if (mmc_of_parse_voltage(np, &oms->pdata.ocr_mask) <= 0)
+ if (mmc_of_parse_voltage(mmc, &oms->pdata.ocr_mask) < 0)
goto err_ocr;
- oms->detect_irq = irq_of_parse_and_map(np, 0);
- if (oms->detect_irq != 0) {
+ oms->detect_irq = spi->irq;
+ if (oms->detect_irq > 0) {
oms->pdata.init = of_mmc_spi_init;
oms->pdata.exit = of_mmc_spi_exit;
} else {
@@ -87,10 +82,9 @@ EXPORT_SYMBOL(mmc_spi_get_pdata);
void mmc_spi_put_pdata(struct spi_device *spi)
{
struct device *dev = &spi->dev;
- struct device_node *np = dev->of_node;
struct of_mmc_spi *oms = to_of_mmc_spi(dev);
- if (!dev->platform_data || !np)
+ if (!dev->platform_data || !dev_fwnode(dev))
return;
kfree(oms);
diff --git a/drivers/mmc/host/owl-mmc.c b/drivers/mmc/host/owl-mmc.c
index 5490962dc8e53f4036b5293c86157349105d8155..3dc143b0393972bcd4fff3bb77b5e106dc6cd989 100644
--- a/drivers/mmc/host/owl-mmc.c
+++ b/drivers/mmc/host/owl-mmc.c
@@ -581,7 +581,6 @@ static int owl_mmc_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
owl_host->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(owl_host->base)) {
- dev_err(&pdev->dev, "Failed to remap registers\n");
ret = PTR_ERR(owl_host->base);
goto err_free_host;
}
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h
index cb962c7883dcd05a537b129aabca21aa2330c985..53eded81a53ef2d212f0164139bcf51818b2b9ac 100644
--- a/drivers/mmc/host/renesas_sdhi.h
+++ b/drivers/mmc/host/renesas_sdhi.h
@@ -70,6 +70,8 @@ struct renesas_sdhi {
DECLARE_BITMAP(smpcmp, BITS_PER_LONG);
unsigned int tap_num;
unsigned int tap_set;
+
+ struct reset_control *rstc;
};
#define host_to_priv(host) \
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 158c21e5a942fbb4f699ab4478d007c8de183acb..635bf31a67359f102194fc83b08badc645dafc39 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -20,6 +20,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
+#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
@@ -32,6 +33,7 @@
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
#include <linux/sh_dma.h>
#include <linux/slab.h>
#include <linux/sys_soc.h>
@@ -557,24 +559,35 @@ static int renesas_sdhi_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_io
return 0;
}
+static void renesas_sdhi_scc_reset(struct tmio_mmc_host *host, struct renesas_sdhi *priv)
+{
+ renesas_sdhi_disable_scc(host->mmc);
+ renesas_sdhi_reset_hs400_mode(host, priv);
+ priv->needs_adjust_hs400 = false;
+
+ sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_RVSCNTL,
+ ~SH_MOBILE_SDHI_SCC_RVSCNTL_RVSEN &
+ sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_RVSCNTL));
+}
+
/* only populated for TMIO_MMC_MIN_RCAR2 */
static void renesas_sdhi_reset(struct tmio_mmc_host *host)
{
struct renesas_sdhi *priv = host_to_priv(host);
+ int ret;
u16 val;
- if (priv->scc_ctl) {
- renesas_sdhi_disable_scc(host->mmc);
- renesas_sdhi_reset_hs400_mode(host, priv);
+ if (priv->rstc) {
+ reset_control_reset(priv->rstc);
+ /* Unknown why but without polling reset status, it will hang */
+ read_poll_timeout(reset_control_status, ret, ret == 0, 1, 100,
+ false, priv->rstc);
priv->needs_adjust_hs400 = false;
-
- sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_RVSCNTL,
- ~SH_MOBILE_SDHI_SCC_RVSCNTL_RVSEN &
- sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_RVSCNTL));
+ renesas_sdhi_set_clock(host, host->clk_cache);
+ } else if (priv->scc_ctl) {
+ renesas_sdhi_scc_reset(host, priv);
}
- sd_ctrl_write32_as_16_and_16(host, CTL_IRQ_MASK, TMIO_MASK_INIT_RCAR2);
-
if (sd_ctrl_read16(host, CTL_VERSION) >= SDHI_VER_GEN3_SD) {
val = sd_ctrl_read16(host, CTL_SD_MEM_CARD_OPT);
val |= CARD_OPT_EXTOP;
@@ -691,7 +704,7 @@ static int renesas_sdhi_execute_tuning(struct mmc_host *mmc, u32 opcode)
ret = renesas_sdhi_select_tuning(host);
if (ret < 0)
- renesas_sdhi_reset(host);
+ renesas_sdhi_scc_reset(host, priv);
return ret;
}
@@ -1034,6 +1047,7 @@ int renesas_sdhi_probe(struct platform_device *pdev,
host->ops.start_signal_voltage_switch =
renesas_sdhi_start_signal_voltage_switch;
host->sdcard_irq_setbit_mask = TMIO_STAT_ALWAYS_SET_27;
+ host->sdcard_irq_mask_all = TMIO_MASK_ALL_RCAR2;
host->reset = renesas_sdhi_reset;
}
@@ -1076,6 +1090,10 @@ int renesas_sdhi_probe(struct platform_device *pdev,
if (ret)
goto efree;
+ priv->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL);
+ if (IS_ERR(priv->rstc))
+ return PTR_ERR(priv->rstc);
+
ver = sd_ctrl_read16(host, CTL_VERSION);
/* GEN2_SDR104 is first known SDHI to use 32bit block count */
if (ver < SDHI_VER_GEN2_SDR104 && mmc_data->max_blk_count > U16_MAX)
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index ff97f15e317cc1654b94639c29a35f99ff4b39b9..e8f4863d8f1a6e019ec0c05d257813f2c887df95 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -97,7 +97,7 @@ static const struct renesas_sdhi_of_data of_rza2_compatible = {
TMIO_MMC_HAVE_CBSY,
.tmio_ocr_mask = MMC_VDD_32_33,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
- MMC_CAP_CMD23,
+ MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
.bus_shift = 2,
.scc_offset = 0 - 0x1000,
.taps = rcar_gen3_scc_taps,
@@ -111,7 +111,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
- MMC_CAP_CMD23,
+ MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
.capabilities2 = MMC_CAP2_NO_WRITE_PROTECT | MMC_CAP2_MERGE_CAPABLE,
.bus_shift = 2,
.scc_offset = 0x1000,
diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
index c5f7896753028f3d75b77e8006269ce8f3a36764..ffa64211f4deb7605382a36c93f79128a51c4afb 100644
--- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
@@ -33,12 +33,14 @@ static const struct renesas_sdhi_of_data of_rz_compatible = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_32BIT_DATA_PORT |
TMIO_MMC_HAVE_CBSY,
.tmio_ocr_mask = MMC_VDD_32_33,
- .capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
+ .capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
+ MMC_CAP_WAIT_WHILE_BUSY,
};
static const struct renesas_sdhi_of_data of_rcar_gen1_compatible = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL,
- .capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
+ .capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
+ MMC_CAP_WAIT_WHILE_BUSY,
.capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,
};
@@ -58,7 +60,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen2_compatible = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
- MMC_CAP_CMD23,
+ MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
.capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,
.dma_buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES,
.dma_rx_offset = 0x2000,
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index b6574e7fd26bf8591b2075ca67cc3f395fb7ae8d..c3fbf8c825c4f2d84a917c859807c90c901e8304 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -772,6 +772,7 @@ static const struct sdhci_acpi_uid_slot sdhci_acpi_uids[] = {
{ "QCOM8051", NULL, &sdhci_acpi_slot_qcom_sd_3v },
{ "QCOM8052", NULL, &sdhci_acpi_slot_qcom_sd },
{ "AMDI0040", NULL, &sdhci_acpi_slot_amd_emmc },
+ { "AMDI0041", NULL, &sdhci_acpi_slot_amd_emmc },
{ },
};
@@ -789,6 +790,7 @@ static const struct acpi_device_id sdhci_acpi_ids[] = {
{ "QCOM8051" },
{ "QCOM8052" },
{ "AMDI0040" },
+ { "AMDI0041" },
{ },
};
MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids);
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c
index f9780c65ebe98a76d94fe014b3299ccde99ddd23..f24623aac2dbecbad15920242e2417771d4e187c 100644
--- a/drivers/mmc/host/sdhci-brcmstb.c
+++ b/drivers/mmc/host/sdhci-brcmstb.c
@@ -199,7 +199,6 @@ static int sdhci_brcmstb_add_host(struct sdhci_host *host,
if (dma64) {
dev_dbg(mmc_dev(host->mmc), "Using 64 bit DMA\n");
cq_host->caps |= CQHCI_TASK_DESC_SZ_128;
- cq_host->quirks |= CQHCI_QUIRK_SHORT_TXFR_DESC_SZ;
}
ret = cqhci_init(cq_host, host->mmc, dma64);
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index a20459744d213528036a68d6e1ccfe0571251548..b991cf0e60c5b4d39c06bbb11832d18c0c063917 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -434,10 +434,10 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
* Do not advertise faster UHS modes if there are no
* pinctrl states for 100MHz/200MHz.
*/
- if (IS_ERR_OR_NULL(imx_data->pins_100mhz) ||
- IS_ERR_OR_NULL(imx_data->pins_200mhz))
- val &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50
- | SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_HS400);
+ if (IS_ERR_OR_NULL(imx_data->pins_100mhz))
+ val &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50);
+ if (IS_ERR_OR_NULL(imx_data->pins_200mhz))
+ val &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_HS400);
}
}
@@ -1453,7 +1453,6 @@ static const struct cqhci_host_ops esdhc_cqhci_ops = {
.dumpregs = esdhc_sdhci_dumpregs,
};
-#ifdef CONFIG_OF
static int
sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
struct sdhci_host *host,
@@ -1486,9 +1485,9 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
if (of_property_read_u32(np, "fsl,delay-line", &boarddata->delay_line))
boarddata->delay_line = 0;
- mmc_of_parse_voltage(np, &host->ocr_mask);
+ mmc_of_parse_voltage(host->mmc, &host->ocr_mask);
- if (esdhc_is_usdhc(imx_data)) {
+ if (esdhc_is_usdhc(imx_data) && !IS_ERR(imx_data->pinctrl)) {
imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl,
ESDHC_PINCTRL_STATE_100MHZ);
imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl,
@@ -1505,20 +1504,9 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
return 0;
}
-#else
-static inline int
-sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
- struct sdhci_host *host,
- struct pltfm_imx_data *imx_data)
-{
- return -ENODEV;
-}
-#endif
static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
{
- const struct of_device_id *of_id =
- of_match_device(imx_esdhc_dt_ids, &pdev->dev);
struct sdhci_pltfm_host *pltfm_host;
struct sdhci_host *host;
struct cqhci_host *cq_host;
@@ -1534,7 +1522,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
imx_data = sdhci_pltfm_priv(pltfm_host);
- imx_data->socdata = of_id->data;
+ imx_data->socdata = device_get_match_data(&pdev->dev);
if (imx_data->socdata->flags & ESDHC_FLAG_PMQOS)
cpu_latency_qos_add_request(&imx_data->pm_qos_req, 0);
diff --git a/drivers/mmc/host/sdhci-esdhc-mcf.c b/drivers/mmc/host/sdhci-esdhc-mcf.c
index ca7a1690b2a8a66d2c4c8d94ea356541fcfba1ea..05926bf5ecf9587bace94f6821a2463d02445ad5 100644
--- a/drivers/mmc/host/sdhci-esdhc-mcf.c
+++ b/drivers/mmc/host/sdhci-esdhc-mcf.c
@@ -367,14 +367,14 @@ static int esdhc_mcf_plat_init(struct sdhci_host *host,
struct pltfm_mcf_data *mcf_data)
{
struct mcf_esdhc_platform_data *plat_data;
+ struct device *dev = mmc_dev(host->mmc);
- if (!host->mmc->parent->platform_data) {
- dev_err(mmc_dev(host->mmc), "no platform data!\n");
+ if (!dev->platform_data) {
+ dev_err(dev, "no platform data!\n");
return -EINVAL;
}
- plat_data = (struct mcf_esdhc_platform_data *)
- host->mmc->parent->platform_data;
+ plat_data = (struct mcf_esdhc_platform_data *)dev->platform_data;
/* Card_detect */
switch (plat_data->cd_type) {
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index d170c919e6e44ee9012f558c289f3f484ad490ad..e44b7a66b73c55b0364b0f54d7ee3025f5f26d36 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -1863,7 +1863,6 @@ static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
struct mmc_host *mmc = msm_host->mmc;
struct device *dev = mmc_dev(mmc);
struct resource *res;
- int err;
if (!(cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS))
return 0;
@@ -1881,11 +1880,8 @@ static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
}
msm_host->ice_mem = devm_ioremap_resource(dev, res);
- if (IS_ERR(msm_host->ice_mem)) {
- err = PTR_ERR(msm_host->ice_mem);
- dev_err(dev, "Failed to map ICE registers; err=%d\n", err);
- return err;
- }
+ if (IS_ERR(msm_host->ice_mem))
+ return PTR_ERR(msm_host->ice_mem);
if (!sdhci_msm_ice_supported(msm_host))
goto disable;
diff --git a/drivers/mmc/host/sdhci-of-aspeed.c b/drivers/mmc/host/sdhci-of-aspeed.c
index 7d8692e909961557931337f708c7c69f0dea14a3..d001c51074a06d41159adbbff356f8b03b5d49ac 100644
--- a/drivers/mmc/host/sdhci-of-aspeed.c
+++ b/drivers/mmc/host/sdhci-of-aspeed.c
@@ -181,7 +181,7 @@ aspeed_sdhci_configure_phase(struct sdhci_host *host, unsigned long rate)
struct aspeed_sdhci *sdhci;
struct device *dev;
- dev = host->mmc->parent;
+ dev = mmc_dev(host->mmc);
sdhci = sdhci_pltfm_priv(sdhci_priv(host));
if (!sdhci->phase_desc)
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 59d8d96ce206bafa65cb00b8837b9aec420c13cf..bac874ab0b33a3d1b7128b3371094949147430fb 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -7,11 +7,14 @@
* Author: Jisheng Zhang <jszhang@kernel.org>
*/
+#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
+#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/sizes.h>
#include "sdhci-pltfm.h"
@@ -21,11 +24,52 @@
/* DWCMSHC specific Mode Select value */
#define DWCMSHC_CTRL_HS400 0x7
+/* DWC IP vendor area 1 pointer */
+#define DWCMSHC_P_VENDOR_AREA1 0xe8
+#define DWCMSHC_AREA1_MASK GENMASK(11, 0)
+/* Offset inside the vendor area 1 */
+#define DWCMSHC_HOST_CTRL3 0x8
+#define DWCMSHC_EMMC_CONTROL 0x2c
+#define DWCMSHC_ENHANCED_STROBE BIT(8)
+#define DWCMSHC_EMMC_ATCTRL 0x40
+
+/* Rockchip specific Registers */
+#define DWCMSHC_EMMC_DLL_CTRL 0x800
+#define DWCMSHC_EMMC_DLL_RXCLK 0x804
+#define DWCMSHC_EMMC_DLL_TXCLK 0x808
+#define DWCMSHC_EMMC_DLL_STRBIN 0x80c
+#define DLL_STRBIN_TAPNUM_FROM_SW BIT(24)
+#define DWCMSHC_EMMC_DLL_STATUS0 0x840
+#define DWCMSHC_EMMC_DLL_START BIT(0)
+#define DWCMSHC_EMMC_DLL_LOCKED BIT(8)
+#define DWCMSHC_EMMC_DLL_TIMEOUT BIT(9)
+#define DWCMSHC_EMMC_DLL_RXCLK_SRCSEL 29
+#define DWCMSHC_EMMC_DLL_START_POINT 16
+#define DWCMSHC_EMMC_DLL_INC 8
+#define DWCMSHC_EMMC_DLL_DLYENA BIT(27)
+#define DLL_TXCLK_TAPNUM_DEFAULT 0x8
+#define DLL_STRBIN_TAPNUM_DEFAULT 0x8
+#define DLL_TXCLK_TAPNUM_FROM_SW BIT(24)
+#define DLL_RXCLK_NO_INVERTER 1
+#define DLL_RXCLK_INVERTER 0
+#define DLL_LOCK_WO_TMOUT(x) \
+ ((((x) & DWCMSHC_EMMC_DLL_LOCKED) == DWCMSHC_EMMC_DLL_LOCKED) && \
+ (((x) & DWCMSHC_EMMC_DLL_TIMEOUT) == 0))
+#define RK3568_MAX_CLKS 3
+
#define BOUNDARY_OK(addr, len) \
((addr | (SZ_128M - 1)) == ((addr + len - 1) | (SZ_128M - 1)))
+struct rk3568_priv {
+ /* Rockchip specified optional clocks */
+ struct clk_bulk_data rockchip_clks[RK3568_MAX_CLKS];
+ u8 txclk_tapnum;
+};
+
struct dwcmshc_priv {
struct clk *bus_clk;
+ int vendor_specific_area1; /* P_VENDOR_SPECIFIC_AREA reg */
+ void *priv; /* pointer to SoC private stuff */
};
/*
@@ -51,6 +95,16 @@ static void dwcmshc_adma_write_desc(struct sdhci_host *host, void **desc,
sdhci_adma_write_desc(host, desc, addr, len, cmd);
}
+static unsigned int dwcmshc_get_max_clock(struct sdhci_host *host)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+
+ if (pltfm_host->clk)
+ return sdhci_pltfm_clk_get_max_clock(host);
+ else
+ return pltfm_host->clock;
+}
+
static void dwcmshc_check_auto_cmd23(struct mmc_host *mmc,
struct mmc_request *mrq)
{
@@ -100,10 +154,120 @@ static void dwcmshc_set_uhs_signaling(struct sdhci_host *host,
sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
}
+static void dwcmshc_hs400_enhanced_strobe(struct mmc_host *mmc,
+ struct mmc_ios *ios)
+{
+ u32 vendor;
+ struct sdhci_host *host = mmc_priv(mmc);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host);
+ int reg = priv->vendor_specific_area1 + DWCMSHC_EMMC_CONTROL;
+
+ vendor = sdhci_readl(host, reg);
+ if (ios->enhanced_strobe)
+ vendor |= DWCMSHC_ENHANCED_STROBE;
+ else
+ vendor &= ~DWCMSHC_ENHANCED_STROBE;
+
+ sdhci_writel(host, vendor, reg);
+}
+
+static void dwcmshc_rk3568_set_clock(struct sdhci_host *host, unsigned int clock)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct dwcmshc_priv *dwc_priv = sdhci_pltfm_priv(pltfm_host);
+ struct rk3568_priv *priv = dwc_priv->priv;
+ u8 txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT;
+ u32 extra, reg;
+ int err;
+
+ host->mmc->actual_clock = 0;
+
+ /*
+ * DO NOT TOUCH THIS SETTING. RX clk inverter unit is enabled
+ * by default, but it shouldn't be enabled. We should anyway
+ * disable it before issuing any cmds.
+ */
+ extra = DWCMSHC_EMMC_DLL_DLYENA |
+ DLL_RXCLK_NO_INVERTER << DWCMSHC_EMMC_DLL_RXCLK_SRCSEL;
+ sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_RXCLK);
+
+ if (clock == 0)
+ return;
+
+ /* Rockchip platform only support 375KHz for identify mode */
+ if (clock <= 400000)
+ clock = 375000;
+
+ err = clk_set_rate(pltfm_host->clk, clock);
+ if (err)
+ dev_err(mmc_dev(host->mmc), "fail to set clock %d", clock);
+
+ sdhci_set_clock(host, clock);
+
+ /* Disable cmd conflict check */
+ reg = dwc_priv->vendor_specific_area1 + DWCMSHC_HOST_CTRL3;
+ extra = sdhci_readl(host, reg);
+ extra &= ~BIT(0);
+ sdhci_writel(host, extra, reg);
+
+ if (clock <= 400000) {
+ /* Disable DLL to reset sample clock */
+ sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_CTRL);
+ return;
+ }
+
+ /* Reset DLL */
+ sdhci_writel(host, BIT(1), DWCMSHC_EMMC_DLL_CTRL);
+ udelay(1);
+ sdhci_writel(host, 0x0, DWCMSHC_EMMC_DLL_CTRL);
+
+ /* Init DLL settings */
+ extra = 0x5 << DWCMSHC_EMMC_DLL_START_POINT |
+ 0x2 << DWCMSHC_EMMC_DLL_INC |
+ DWCMSHC_EMMC_DLL_START;
+ sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_CTRL);
+ err = readl_poll_timeout(host->ioaddr + DWCMSHC_EMMC_DLL_STATUS0,
+ extra, DLL_LOCK_WO_TMOUT(extra), 1,
+ 500 * USEC_PER_MSEC);
+ if (err) {
+ dev_err(mmc_dev(host->mmc), "DLL lock timeout!\n");
+ return;
+ }
+
+ extra = 0x1 << 16 | /* tune clock stop en */
+ 0x2 << 17 | /* pre-change delay */
+ 0x3 << 19; /* post-change delay */
+ sdhci_writel(host, extra, dwc_priv->vendor_specific_area1 + DWCMSHC_EMMC_ATCTRL);
+
+ if (host->mmc->ios.timing == MMC_TIMING_MMC_HS200 ||
+ host->mmc->ios.timing == MMC_TIMING_MMC_HS400)
+ txclk_tapnum = priv->txclk_tapnum;
+
+ extra = DWCMSHC_EMMC_DLL_DLYENA |
+ DLL_TXCLK_TAPNUM_FROM_SW |
+ txclk_tapnum;
+ sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_TXCLK);
+
+ extra = DWCMSHC_EMMC_DLL_DLYENA |
+ DLL_STRBIN_TAPNUM_DEFAULT |
+ DLL_STRBIN_TAPNUM_FROM_SW;
+ sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_STRBIN);
+}
+
static const struct sdhci_ops sdhci_dwcmshc_ops = {
.set_clock = sdhci_set_clock,
.set_bus_width = sdhci_set_bus_width,
.set_uhs_signaling = dwcmshc_set_uhs_signaling,
+ .get_max_clock = dwcmshc_get_max_clock,
+ .reset = sdhci_reset,
+ .adma_write_desc = dwcmshc_adma_write_desc,
+};
+
+static const struct sdhci_ops sdhci_dwcmshc_rk3568_ops = {
+ .set_clock = dwcmshc_rk3568_set_clock,
+ .set_bus_width = sdhci_set_bus_width,
+ .set_uhs_signaling = dwcmshc_set_uhs_signaling,
.get_max_clock = sdhci_pltfm_clk_get_max_clock,
.reset = sdhci_reset,
.adma_write_desc = dwcmshc_adma_write_desc,
@@ -115,15 +279,86 @@ static const struct sdhci_pltfm_data sdhci_dwcmshc_pdata = {
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
+static const struct sdhci_pltfm_data sdhci_dwcmshc_rk3568_pdata = {
+ .ops = &sdhci_dwcmshc_rk3568_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+ SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN,
+};
+
+static int dwcmshc_rk3568_init(struct sdhci_host *host, struct dwcmshc_priv *dwc_priv)
+{
+ int err;
+ struct rk3568_priv *priv = dwc_priv->priv;
+
+ priv->rockchip_clks[0].id = "axi";
+ priv->rockchip_clks[1].id = "block";
+ priv->rockchip_clks[2].id = "timer";
+ err = devm_clk_bulk_get_optional(mmc_dev(host->mmc), RK3568_MAX_CLKS,
+ priv->rockchip_clks);
+ if (err) {
+ dev_err(mmc_dev(host->mmc), "failed to get clocks %d\n", err);
+ return err;
+ }
+
+ err = clk_bulk_prepare_enable(RK3568_MAX_CLKS, priv->rockchip_clks);
+ if (err) {
+ dev_err(mmc_dev(host->mmc), "failed to enable clocks %d\n", err);
+ return err;
+ }
+
+ if (of_property_read_u8(mmc_dev(host->mmc)->of_node, "rockchip,txclk-tapnum",
+ &priv->txclk_tapnum))
+ priv->txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT;
+
+ /* Disable cmd conflict check */
+ sdhci_writel(host, 0x0, dwc_priv->vendor_specific_area1 + DWCMSHC_HOST_CTRL3);
+ /* Reset previous settings */
+ sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_TXCLK);
+ sdhci_writel(host, 0, DWCMSHC_EMMC_DLL_STRBIN);
+
+ return 0;
+}
+
+static const struct of_device_id sdhci_dwcmshc_dt_ids[] = {
+ {
+ .compatible = "rockchip,rk3568-dwcmshc",
+ .data = &sdhci_dwcmshc_rk3568_pdata,
+ },
+ {
+ .compatible = "snps,dwcmshc-sdhci",
+ .data = &sdhci_dwcmshc_pdata,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, sdhci_dwcmshc_dt_ids);
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id sdhci_dwcmshc_acpi_ids[] = {
+ { .id = "MLNXBF30" },
+ {}
+};
+#endif
+
static int dwcmshc_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct sdhci_pltfm_host *pltfm_host;
struct sdhci_host *host;
struct dwcmshc_priv *priv;
+ struct rk3568_priv *rk_priv = NULL;
+ const struct sdhci_pltfm_data *pltfm_data;
int err;
u32 extra;
- host = sdhci_pltfm_init(pdev, &sdhci_dwcmshc_pdata,
+ pltfm_data = of_device_get_match_data(&pdev->dev);
+ if (!pltfm_data) {
+ dev_err(&pdev->dev, "Error: No device match data found\n");
+ return -ENODEV;
+ }
+
+ host = sdhci_pltfm_init(pdev, pltfm_data,
sizeof(struct dwcmshc_priv));
if (IS_ERR(host))
return PTR_ERR(host);
@@ -131,7 +366,7 @@ static int dwcmshc_probe(struct platform_device *pdev)
/*
* extra adma table cnt for cross 128M boundary handling.
*/
- extra = DIV_ROUND_UP_ULL(dma_get_required_mask(&pdev->dev), SZ_128M);
+ extra = DIV_ROUND_UP_ULL(dma_get_required_mask(dev), SZ_128M);
if (extra > SDHCI_MAX_SEGS)
extra = SDHCI_MAX_SEGS;
host->adma_table_cnt += extra;
@@ -139,19 +374,21 @@ static int dwcmshc_probe(struct platform_device *pdev)
pltfm_host = sdhci_priv(host);
priv = sdhci_pltfm_priv(pltfm_host);
- pltfm_host->clk = devm_clk_get(&pdev->dev, "core");
- if (IS_ERR(pltfm_host->clk)) {
- err = PTR_ERR(pltfm_host->clk);
- dev_err(&pdev->dev, "failed to get core clk: %d\n", err);
- goto free_pltfm;
+ if (dev->of_node) {
+ pltfm_host->clk = devm_clk_get(dev, "core");
+ if (IS_ERR(pltfm_host->clk)) {
+ err = PTR_ERR(pltfm_host->clk);
+ dev_err(dev, "failed to get core clk: %d\n", err);
+ goto free_pltfm;
+ }
+ err = clk_prepare_enable(pltfm_host->clk);
+ if (err)
+ goto free_pltfm;
+
+ priv->bus_clk = devm_clk_get(dev, "bus");
+ if (!IS_ERR(priv->bus_clk))
+ clk_prepare_enable(priv->bus_clk);
}
- err = clk_prepare_enable(pltfm_host->clk);
- if (err)
- goto free_pltfm;
-
- priv->bus_clk = devm_clk_get(&pdev->dev, "bus");
- if (!IS_ERR(priv->bus_clk))
- clk_prepare_enable(priv->bus_clk);
err = mmc_of_parse(host->mmc);
if (err)
@@ -159,7 +396,27 @@ static int dwcmshc_probe(struct platform_device *pdev)
sdhci_get_of_property(pdev);
+ priv->vendor_specific_area1 =
+ sdhci_readl(host, DWCMSHC_P_VENDOR_AREA1) & DWCMSHC_AREA1_MASK;
+
host->mmc_host_ops.request = dwcmshc_request;
+ host->mmc_host_ops.hs400_enhanced_strobe = dwcmshc_hs400_enhanced_strobe;
+
+ if (pltfm_data == &sdhci_dwcmshc_rk3568_pdata) {
+ rk_priv = devm_kzalloc(&pdev->dev, sizeof(struct rk3568_priv), GFP_KERNEL);
+ if (!rk_priv) {
+ err = -ENOMEM;
+ goto err_clk;
+ }
+
+ priv->priv = rk_priv;
+
+ err = dwcmshc_rk3568_init(host, priv);
+ if (err)
+ goto err_clk;
+ }
+
+ host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
err = sdhci_add_host(host);
if (err)
@@ -170,6 +427,9 @@ static int dwcmshc_probe(struct platform_device *pdev)
err_clk:
clk_disable_unprepare(pltfm_host->clk);
clk_disable_unprepare(priv->bus_clk);
+ if (rk_priv)
+ clk_bulk_disable_unprepare(RK3568_MAX_CLKS,
+ rk_priv->rockchip_clks);
free_pltfm:
sdhci_pltfm_free(pdev);
return err;
@@ -180,12 +440,15 @@ static int dwcmshc_remove(struct platform_device *pdev)
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host);
+ struct rk3568_priv *rk_priv = priv->priv;
sdhci_remove_host(host, 0);
clk_disable_unprepare(pltfm_host->clk);
clk_disable_unprepare(priv->bus_clk);
-
+ if (rk_priv)
+ clk_bulk_disable_unprepare(RK3568_MAX_CLKS,
+ rk_priv->rockchip_clks);
sdhci_pltfm_free(pdev);
return 0;
@@ -197,6 +460,7 @@ static int dwcmshc_suspend(struct device *dev)
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host);
+ struct rk3568_priv *rk_priv = priv->priv;
int ret;
ret = sdhci_suspend_host(host);
@@ -207,6 +471,10 @@ static int dwcmshc_suspend(struct device *dev)
if (!IS_ERR(priv->bus_clk))
clk_disable_unprepare(priv->bus_clk);
+ if (rk_priv)
+ clk_bulk_disable_unprepare(RK3568_MAX_CLKS,
+ rk_priv->rockchip_clks);
+
return ret;
}
@@ -215,6 +483,7 @@ static int dwcmshc_resume(struct device *dev)
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host);
+ struct rk3568_priv *rk_priv = priv->priv;
int ret;
ret = clk_prepare_enable(pltfm_host->clk);
@@ -227,23 +496,25 @@ static int dwcmshc_resume(struct device *dev)
return ret;
}
+ if (rk_priv) {
+ ret = clk_bulk_prepare_enable(RK3568_MAX_CLKS,
+ rk_priv->rockchip_clks);
+ if (ret)
+ return ret;
+ }
+
return sdhci_resume_host(host);
}
#endif
static SIMPLE_DEV_PM_OPS(dwcmshc_pmops, dwcmshc_suspend, dwcmshc_resume);
-static const struct of_device_id sdhci_dwcmshc_dt_ids[] = {
- { .compatible = "snps,dwcmshc-sdhci" },
- {}
-};
-MODULE_DEVICE_TABLE(of, sdhci_dwcmshc_dt_ids);
-
static struct platform_driver sdhci_dwcmshc_driver = {
.driver = {
.name = "sdhci-dwcmshc",
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
.of_match_table = sdhci_dwcmshc_dt_ids,
+ .acpi_match_table = ACPI_PTR(sdhci_dwcmshc_acpi_ids),
.pm = &dwcmshc_pmops,
},
.probe = dwcmshc_probe,
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index ab5ab969f711deecdbca38e27c758b2f2b416bd4..a593b1fbd69e5523f64fb5ebbcc9487d7a14ad3f 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -1489,7 +1489,7 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
if (ret)
goto err;
- mmc_of_parse_voltage(np, &host->ocr_mask);
+ mmc_of_parse_voltage(host->mmc, &host->ocr_mask);
ret = sdhci_add_host(host);
if (ret)
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 9552708846ca3742918bd352b7bade37b02f6471..be19785227fe49af4882fa8fde1cc64454e86838 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -516,6 +516,7 @@ struct intel_host {
int drv_strength;
bool d3_retune;
bool rpm_retune_ok;
+ bool needs_pwr_off;
u32 glk_rx_ctrl1;
u32 glk_tun_val;
u32 active_ltr;
@@ -643,9 +644,25 @@ static int bxt_get_cd(struct mmc_host *mmc)
static void sdhci_intel_set_power(struct sdhci_host *host, unsigned char mode,
unsigned short vdd)
{
+ struct sdhci_pci_slot *slot = sdhci_priv(host);
+ struct intel_host *intel_host = sdhci_pci_priv(slot);
int cntr;
u8 reg;
+ /*
+ * Bus power may control card power, but a full reset still may not
+ * reset the power, whereas a direct write to SDHCI_POWER_CONTROL can.
+ * That might be needed to initialize correctly, if the card was left
+ * powered on previously.
+ */
+ if (intel_host->needs_pwr_off) {
+ intel_host->needs_pwr_off = false;
+ if (mode != MMC_POWER_OFF) {
+ sdhci_writeb(host, 0, SDHCI_POWER_CONTROL);
+ usleep_range(10000, 12500);
+ }
+ }
+
sdhci_set_power(host, mode, vdd);
if (mode == MMC_POWER_OFF)
@@ -958,7 +975,7 @@ static int glk_emmc_probe_slot(struct sdhci_pci_slot *slot)
slot->host->mmc->caps2 |= MMC_CAP2_CQE;
if (slot->chip->pdev->device != PCI_DEVICE_ID_INTEL_GLK_EMMC) {
- slot->host->mmc->caps2 |= MMC_CAP2_HS400_ES,
+ slot->host->mmc->caps2 |= MMC_CAP2_HS400_ES;
slot->host->mmc_host_ops.hs400_enhanced_strobe =
intel_hs400_enhanced_strobe;
slot->host->mmc->caps2 |= MMC_CAP2_CQE_DCMD;
@@ -1135,6 +1152,14 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
return 0;
}
+static void byt_needs_pwr_off(struct sdhci_pci_slot *slot)
+{
+ struct intel_host *intel_host = sdhci_pci_priv(slot);
+ u8 reg = sdhci_readb(slot->host, SDHCI_POWER_CONTROL);
+
+ intel_host->needs_pwr_off = reg & SDHCI_POWER_ON;
+}
+
static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
{
byt_probe_slot(slot);
@@ -1152,6 +1177,8 @@ static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
slot->chip->pdev->subsystem_device == PCI_SUBDEVICE_ID_NI_78E3)
slot->host->mmc->caps2 |= MMC_CAP2_AVOID_3_3V;
+ byt_needs_pwr_off(slot);
+
return 0;
}
@@ -1903,6 +1930,8 @@ static const struct pci_device_id pci_ids[] = {
SDHCI_PCI_DEVICE(INTEL, CMLH_SD, intel_byt_sd),
SDHCI_PCI_DEVICE(INTEL, JSL_EMMC, intel_glk_emmc),
SDHCI_PCI_DEVICE(INTEL, JSL_SD, intel_byt_sd),
+ SDHCI_PCI_DEVICE(INTEL, LKF_EMMC, intel_glk_emmc),
+ SDHCI_PCI_DEVICE(INTEL, LKF_SD, intel_byt_sd),
SDHCI_PCI_DEVICE(O2, 8120, o2),
SDHCI_PCI_DEVICE(O2, 8220, o2),
SDHCI_PCI_DEVICE(O2, 8221, o2),
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index 4a0f69b97a78f86bd302430d46c014d25986b166..592d79082f58cd71767095b96fe774ebf60ad1a6 100644
--- a/drivers/mmc/host/sdhci-pci-gli.c
+++ b/drivers/mmc/host/sdhci-pci-gli.c
@@ -22,6 +22,10 @@
#define GLI_9750_WT_EN_ON 0x1
#define GLI_9750_WT_EN_OFF 0x0
+#define SDHCI_GLI_9750_CFG2 0x848
+#define SDHCI_GLI_9750_CFG2_L1DLY GENMASK(28, 24)
+#define GLI_9750_CFG2_L1DLY_VALUE 0x1F
+
#define SDHCI_GLI_9750_DRIVING 0x860
#define SDHCI_GLI_9750_DRIVING_1 GENMASK(11, 0)
#define SDHCI_GLI_9750_DRIVING_2 GENMASK(27, 26)
@@ -90,7 +94,7 @@
#define PCIE_GLI_9763E_CFG2 0x8A4
#define GLI_9763E_CFG2_L1DLY GENMASK(28, 19)
-#define GLI_9763E_CFG2_L1DLY_MAX 0x3FF
+#define GLI_9763E_CFG2_L1DLY_MID 0x50
#define PCIE_GLI_9763E_MMC_CTRL 0x960
#define GLI_9763E_HS400_SLOW BIT(3)
@@ -113,6 +117,10 @@
#define PCI_GLI_9755_LFCLK GENMASK(14, 12)
#define PCI_GLI_9755_DMACLK BIT(29)
+#define PCI_GLI_9755_CFG2 0x48
+#define PCI_GLI_9755_CFG2_L1DLY GENMASK(28, 24)
+#define GLI_9755_CFG2_L1DLY_VALUE 0x1F
+
#define PCI_GLI_9755_PLL 0x64
#define PCI_GLI_9755_PLL_LDIV GENMASK(9, 0)
#define PCI_GLI_9755_PLL_PDIV GENMASK(14, 12)
@@ -123,6 +131,9 @@
#define PCI_GLI_9755_PLLSSC 0x68
#define PCI_GLI_9755_PLLSSC_PPM GENMASK(15, 0)
+#define PCI_GLI_9755_SerDes 0x70
+#define PCI_GLI_9755_SCP_DIS BIT(19)
+
#define GLI_MAX_TUNING_LOOP 40
/* Genesys Logic chipset */
@@ -405,6 +416,22 @@ static void sdhci_gl9750_set_clock(struct sdhci_host *host, unsigned int clock)
sdhci_enable_clk(host, clk);
}
+static void gl9750_hw_setting(struct sdhci_host *host)
+{
+ u32 value;
+
+ gl9750_wt_on(host);
+
+ value = sdhci_readl(host, SDHCI_GLI_9750_CFG2);
+ value &= ~SDHCI_GLI_9750_CFG2_L1DLY;
+ /* set ASPM L1 entry delay to 7.9us */
+ value |= FIELD_PREP(SDHCI_GLI_9750_CFG2_L1DLY,
+ GLI_9750_CFG2_L1DLY_VALUE);
+ sdhci_writel(host, value, SDHCI_GLI_9750_CFG2);
+
+ gl9750_wt_off(host);
+}
+
static void gli_pcie_enable_msi(struct sdhci_pci_slot *slot)
{
int ret;
@@ -547,6 +574,18 @@ static void gl9755_hw_setting(struct sdhci_pci_slot *slot)
value &= ~PCI_GLI_9755_DMACLK;
pci_write_config_dword(pdev, PCI_GLI_9755_PECONF, value);
+ /* enable short circuit protection */
+ pci_read_config_dword(pdev, PCI_GLI_9755_SerDes, &value);
+ value &= ~PCI_GLI_9755_SCP_DIS;
+ pci_write_config_dword(pdev, PCI_GLI_9755_SerDes, value);
+
+ pci_read_config_dword(pdev, PCI_GLI_9755_CFG2, &value);
+ value &= ~PCI_GLI_9755_CFG2_L1DLY;
+ /* set ASPM L1 entry delay to 7.9us */
+ value |= FIELD_PREP(PCI_GLI_9755_CFG2_L1DLY,
+ GLI_9755_CFG2_L1DLY_VALUE);
+ pci_write_config_dword(pdev, PCI_GLI_9755_CFG2, value);
+
gl9755_wt_off(pdev);
}
@@ -554,6 +593,7 @@ static int gli_probe_slot_gl9750(struct sdhci_pci_slot *slot)
{
struct sdhci_host *host = slot->host;
+ gl9750_hw_setting(host);
gli_pcie_enable_msi(slot);
slot->host->mmc->caps2 |= MMC_CAP2_NO_SDIO;
sdhci_enable_v4_mode(host);
@@ -802,8 +842,8 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
pci_read_config_dword(pdev, PCIE_GLI_9763E_CFG2, &value);
value &= ~GLI_9763E_CFG2_L1DLY;
- /* set ASPM L1 entry delay to 260us */
- value |= FIELD_PREP(GLI_9763E_CFG2_L1DLY, GLI_9763E_CFG2_L1DLY_MAX);
+ /* set ASPM L1 entry delay to 20us */
+ value |= FIELD_PREP(GLI_9763E_CFG2_L1DLY, GLI_9763E_CFG2_L1DLY_MID);
pci_write_config_dword(pdev, PCIE_GLI_9763E_CFG2, value);
pci_read_config_dword(pdev, PCIE_GLI_9763E_CLKRXDLY, &value);
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index 94e3f72f6405d40f0445f068a6f864934340b5d3..51d55a87aebeff42a192c6b446b81ea8a1786e2f 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -706,6 +706,8 @@ static int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
ret = pci_read_config_dword(chip->pdev,
O2_SD_FUNC_REG0,
&scratch_32);
+ if (ret)
+ return ret;
scratch_32 = ((scratch_32 & 0xFF000000) >> 24);
/* Check Whether subId is 0x11 or 0x12 */
@@ -716,6 +718,8 @@ static int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
ret = pci_read_config_dword(chip->pdev,
O2_SD_FUNC_REG4,
&scratch_32);
+ if (ret)
+ return ret;
/* Enable Base Clk setting change */
scratch_32 |= O2_SD_FREG4_ENABLE_CLK_SET;
@@ -795,6 +799,8 @@ static int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
ret = pci_read_config_dword(chip->pdev,
O2_SD_PLL_SETTING, &scratch_32);
+ if (ret)
+ return ret;
if ((scratch_32 & 0xff000000) == 0x01000000) {
scratch_32 &= 0x0000FFFF;
@@ -812,6 +818,8 @@ static int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
ret = pci_read_config_dword(chip->pdev,
O2_SD_FUNC_REG4,
&scratch_32);
+ if (ret)
+ return ret;
scratch_32 |= (1 << 22);
pci_write_config_dword(chip->pdev,
O2_SD_FUNC_REG4, scratch_32);
diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h
index d0ed232af0eb84f2a4295780af47c1ceb01e7b89..8f90c4163bb5c7a1faf5705af925cc09da193181 100644
--- a/drivers/mmc/host/sdhci-pci.h
+++ b/drivers/mmc/host/sdhci-pci.h
@@ -57,6 +57,8 @@
#define PCI_DEVICE_ID_INTEL_CMLH_SD 0x06f5
#define PCI_DEVICE_ID_INTEL_JSL_EMMC 0x4dc4
#define PCI_DEVICE_ID_INTEL_JSL_SD 0x4df8
+#define PCI_DEVICE_ID_INTEL_LKF_EMMC 0x98c4
+#define PCI_DEVICE_ID_INTEL_LKF_SD 0x98f8
#define PCI_DEVICE_ID_SYSKONNECT_8000 0x8000
#define PCI_DEVICE_ID_VIA_95D0 0x95d0
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index f48a788a9d3df6453df0990f65f0a84eb83c2ca3..862f033d235d6876170520d7d3b1efcdddcdcd84 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -20,6 +20,7 @@
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
@@ -129,7 +130,7 @@ struct sdhci_s3c {
};
/**
- * struct sdhci_s3c_driver_data - S3C SDHCI platform specific driver data
+ * struct sdhci_s3c_drv_data - S3C SDHCI platform specific driver data
* @sdhci_quirks: sdhci host specific quirks.
* @no_divider: no or non-standard internal clock divider.
*
@@ -461,28 +462,21 @@ static int sdhci_s3c_parse_dt(struct device *dev,
}
#endif
-#ifdef CONFIG_OF
-static const struct of_device_id sdhci_s3c_dt_match[];
-#endif
-
-static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data(
+static inline const struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data(
struct platform_device *pdev)
{
#ifdef CONFIG_OF
- if (pdev->dev.of_node) {
- const struct of_device_id *match;
- match = of_match_node(sdhci_s3c_dt_match, pdev->dev.of_node);
- return (struct sdhci_s3c_drv_data *)match->data;
- }
+ if (pdev->dev.of_node)
+ return of_device_get_match_data(&pdev->dev);
#endif
- return (struct sdhci_s3c_drv_data *)
+ return (const struct sdhci_s3c_drv_data *)
platform_get_device_id(pdev)->driver_data;
}
static int sdhci_s3c_probe(struct platform_device *pdev)
{
struct s3c_sdhci_platdata *pdata;
- struct sdhci_s3c_drv_data *drv_data;
+ const struct sdhci_s3c_drv_data *drv_data;
struct device *dev = &pdev->dev;
struct sdhci_host *host;
struct sdhci_s3c *sc;
@@ -767,7 +761,7 @@ static const struct platform_device_id sdhci_s3c_driver_ids[] = {
MODULE_DEVICE_TABLE(platform, sdhci_s3c_driver_ids);
#ifdef CONFIG_OF
-static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = {
+static const struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = {
.no_divider = true,
};
diff --git a/drivers/mmc/host/sdhci-st.c b/drivers/mmc/host/sdhci-st.c
index 962872aec1648a2bf39b041ed2471bdf08e2e6a1..d41582c21aa3f584c8b531d21a7f8a2487fadcc1 100644
--- a/drivers/mmc/host/sdhci-st.c
+++ b/drivers/mmc/host/sdhci-st.c
@@ -362,11 +362,10 @@ static int sdhci_st_probe(struct platform_device *pdev)
if (IS_ERR(icnclk))
icnclk = NULL;
- rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+ rstc = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL);
if (IS_ERR(rstc))
- rstc = NULL;
- else
- reset_control_deassert(rstc);
+ return PTR_ERR(rstc);
+ reset_control_deassert(rstc);
host = sdhci_pltfm_init(pdev, &sdhci_st_pdata, sizeof(*pdata));
if (IS_ERR(host)) {
@@ -401,10 +400,8 @@ static int sdhci_st_probe(struct platform_device *pdev)
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"top-mmc-delay");
pdata->top_ioaddr = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(pdata->top_ioaddr)) {
- dev_warn(&pdev->dev, "FlashSS Top Dly registers not available");
+ if (IS_ERR(pdata->top_ioaddr))
pdata->top_ioaddr = NULL;
- }
pltfm_host->clk = clk;
pdata->icnclk = icnclk;
@@ -432,8 +429,7 @@ static int sdhci_st_probe(struct platform_device *pdev)
err_of:
sdhci_pltfm_free(pdev);
err_pltfm_init:
- if (rstc)
- reset_control_assert(rstc);
+ reset_control_assert(rstc);
return ret;
}
@@ -450,8 +446,7 @@ static int sdhci_st_remove(struct platform_device *pdev)
clk_disable_unprepare(pdata->icnclk);
- if (rstc)
- reset_control_assert(rstc);
+ reset_control_assert(rstc);
return ret;
}
@@ -471,8 +466,7 @@ static int sdhci_st_suspend(struct device *dev)
if (ret)
goto out;
- if (pdata->rstc)
- reset_control_assert(pdata->rstc);
+ reset_control_assert(pdata->rstc);
clk_disable_unprepare(pdata->icnclk);
clk_disable_unprepare(pltfm_host->clk);
@@ -498,8 +492,7 @@ static int sdhci_st_resume(struct device *dev)
return ret;
}
- if (pdata->rstc)
- reset_control_deassert(pdata->rstc);
+ reset_control_deassert(pdata->rstc);
st_mmcss_cconfig(np, host);
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 41d193fa77bbfec9e2d34dce9725ebfd0ce506fc..387ce9cdbd7ccb9404c0bf516423f27a2a8a61b5 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -119,6 +119,10 @@
/* SDMMC CQE Base Address for Tegra Host Ver 4.1 and Higher */
#define SDHCI_TEGRA_CQE_BASE_ADDR 0xF000
+#define SDHCI_TEGRA_CQE_TRNS_MODE (SDHCI_TRNS_MULTI | \
+ SDHCI_TRNS_BLK_CNT_EN | \
+ SDHCI_TRNS_DMA)
+
struct sdhci_tegra_soc_data {
const struct sdhci_pltfm_data *pdata;
u64 dma_mask;
@@ -596,49 +600,49 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)
&tegra_host->autocal_offsets;
int err;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-up-offset-3v3",
&autocal->pull_up_3v3);
if (err)
autocal->pull_up_3v3 = 0;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-down-offset-3v3",
&autocal->pull_down_3v3);
if (err)
autocal->pull_down_3v3 = 0;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-up-offset-1v8",
&autocal->pull_up_1v8);
if (err)
autocal->pull_up_1v8 = 0;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-down-offset-1v8",
&autocal->pull_down_1v8);
if (err)
autocal->pull_down_1v8 = 0;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-up-offset-sdr104",
&autocal->pull_up_sdr104);
if (err)
autocal->pull_up_sdr104 = autocal->pull_up_1v8;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-down-offset-sdr104",
&autocal->pull_down_sdr104);
if (err)
autocal->pull_down_sdr104 = autocal->pull_down_1v8;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-up-offset-hs400",
&autocal->pull_up_hs400);
if (err)
autocal->pull_up_hs400 = autocal->pull_up_1v8;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-down-offset-hs400",
&autocal->pull_down_hs400);
if (err)
@@ -653,7 +657,7 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)
if (!(tegra_host->soc_data->nvquirks & NVQUIRK_NEEDS_PAD_CONTROL))
return;
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-up-offset-3v3-timeout",
&autocal->pull_up_3v3_timeout);
if (err) {
@@ -664,7 +668,7 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)
autocal->pull_up_3v3_timeout = 0;
}
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-down-offset-3v3-timeout",
&autocal->pull_down_3v3_timeout);
if (err) {
@@ -675,7 +679,7 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)
autocal->pull_down_3v3_timeout = 0;
}
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-up-offset-1v8-timeout",
&autocal->pull_up_1v8_timeout);
if (err) {
@@ -686,7 +690,7 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)
autocal->pull_up_1v8_timeout = 0;
}
- err = device_property_read_u32(host->mmc->parent,
+ err = device_property_read_u32(mmc_dev(host->mmc),
"nvidia,pad-autocal-pull-down-offset-1v8-timeout",
&autocal->pull_down_1v8_timeout);
if (err) {
@@ -720,17 +724,17 @@ static void tegra_sdhci_parse_tap_and_trim(struct sdhci_host *host)
struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host);
int err;
- err = device_property_read_u32(host->mmc->parent, "nvidia,default-tap",
+ err = device_property_read_u32(mmc_dev(host->mmc), "nvidia,default-tap",
&tegra_host->default_tap);
if (err)
tegra_host->default_tap = 0;
- err = device_property_read_u32(host->mmc->parent, "nvidia,default-trim",
+ err = device_property_read_u32(mmc_dev(host->mmc), "nvidia,default-trim",
&tegra_host->default_trim);
if (err)
tegra_host->default_trim = 0;
- err = device_property_read_u32(host->mmc->parent, "nvidia,dqs-trim",
+ err = device_property_read_u32(mmc_dev(host->mmc), "nvidia,dqs-trim",
&tegra_host->dqs_trim);
if (err)
tegra_host->dqs_trim = 0x11;
@@ -741,7 +745,7 @@ static void tegra_sdhci_parse_dt(struct sdhci_host *host)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host);
- if (device_property_read_bool(host->mmc->parent, "supports-cqe"))
+ if (device_property_read_bool(mmc_dev(host->mmc), "supports-cqe"))
tegra_host->enable_hwcq = true;
else
tegra_host->enable_hwcq = false;
@@ -1156,6 +1160,7 @@ static void tegra_sdhci_voltage_switch(struct sdhci_host *host)
static void tegra_cqhci_writel(struct cqhci_host *cq_host, u32 val, int reg)
{
struct mmc_host *mmc = cq_host->mmc;
+ struct sdhci_host *host = mmc_priv(mmc);
u8 ctrl;
ktime_t timeout;
bool timed_out;
@@ -1170,6 +1175,7 @@ static void tegra_cqhci_writel(struct cqhci_host *cq_host, u32 val, int reg)
*/
if (reg == CQHCI_CTL && !(val & CQHCI_HALT) &&
cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT) {
+ sdhci_writew(host, SDHCI_TEGRA_CQE_TRNS_MODE, SDHCI_TRANSFER_MODE);
sdhci_cqe_enable(mmc);
writel(val, cq_host->mmio + reg);
timeout = ktime_add_us(ktime_get(), 50);
@@ -1205,6 +1211,7 @@ static void sdhci_tegra_update_dcmd_desc(struct mmc_host *mmc,
static void sdhci_tegra_cqe_enable(struct mmc_host *mmc)
{
struct cqhci_host *cq_host = mmc->cqe_private;
+ struct sdhci_host *host = mmc_priv(mmc);
u32 val;
/*
@@ -1218,6 +1225,7 @@ static void sdhci_tegra_cqe_enable(struct mmc_host *mmc)
if (val & CQHCI_ENABLE)
cqhci_writel(cq_host, (val & ~CQHCI_ENABLE),
CQHCI_CFG);
+ sdhci_writew(host, SDHCI_TEGRA_CQE_TRNS_MODE, SDHCI_TRANSFER_MODE);
sdhci_cqe_enable(mmc);
if (val & CQHCI_ENABLE)
cqhci_writel(cq_host, val, CQHCI_CFG);
@@ -1281,12 +1289,36 @@ static void tegra_sdhci_set_timeout(struct sdhci_host *host,
__sdhci_set_timeout(host, cmd);
}
+static void sdhci_tegra_cqe_pre_enable(struct mmc_host *mmc)
+{
+ struct cqhci_host *cq_host = mmc->cqe_private;
+ u32 reg;
+
+ reg = cqhci_readl(cq_host, CQHCI_CFG);
+ reg |= CQHCI_ENABLE;
+ cqhci_writel(cq_host, reg, CQHCI_CFG);
+}
+
+static void sdhci_tegra_cqe_post_disable(struct mmc_host *mmc)
+{
+ struct cqhci_host *cq_host = mmc->cqe_private;
+ struct sdhci_host *host = mmc_priv(mmc);
+ u32 reg;
+
+ reg = cqhci_readl(cq_host, CQHCI_CFG);
+ reg &= ~CQHCI_ENABLE;
+ cqhci_writel(cq_host, reg, CQHCI_CFG);
+ sdhci_writew(host, 0x0, SDHCI_TRANSFER_MODE);
+}
+
static const struct cqhci_host_ops sdhci_tegra_cqhci_ops = {
.write_l = tegra_cqhci_writel,
.enable = sdhci_tegra_cqe_enable,
.disable = sdhci_cqe_disable,
.dumpregs = sdhci_tegra_dumpregs,
.update_dcmd_desc = sdhci_tegra_update_dcmd_desc,
+ .pre_enable = sdhci_tegra_cqe_pre_enable,
+ .post_disable = sdhci_tegra_cqe_post_disable,
};
static int tegra_sdhci_set_dma_mask(struct sdhci_host *host)
@@ -1529,7 +1561,7 @@ static int sdhci_tegra_add_host(struct sdhci_host *host)
host->mmc->caps2 |= MMC_CAP2_CQE | MMC_CAP2_CQE_DCMD;
- cq_host = devm_kzalloc(host->mmc->parent,
+ cq_host = devm_kzalloc(mmc_dev(host->mmc),
sizeof(*cq_host), GFP_KERNEL);
if (!cq_host) {
ret = -ENOMEM;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 2d73407ee52ec7188e73eaf399549d4c7743df24..bf238ade16021af649fae623cccec74dd633ad24 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -188,7 +188,7 @@ static void sdhci_runtime_pm_bus_on(struct sdhci_host *host)
if (host->bus_on)
return;
host->bus_on = true;
- pm_runtime_get_noresume(host->mmc->parent);
+ pm_runtime_get_noresume(mmc_dev(host->mmc));
}
static void sdhci_runtime_pm_bus_off(struct sdhci_host *host)
@@ -196,7 +196,7 @@ static void sdhci_runtime_pm_bus_off(struct sdhci_host *host)
if (!host->bus_on)
return;
host->bus_on = false;
- pm_runtime_put_noidle(host->mmc->parent);
+ pm_runtime_put_noidle(mmc_dev(host->mmc));
}
void sdhci_reset(struct sdhci_host *host, u8 mask)
@@ -648,7 +648,7 @@ static int sdhci_pre_dma_transfer(struct sdhci_host *host,
}
}
/* Switch ownership to the DMA */
- dma_sync_single_for_device(host->mmc->parent,
+ dma_sync_single_for_device(mmc_dev(host->mmc),
host->bounce_addr,
host->bounce_buffer_size,
mmc_get_dma_dir(data));
@@ -907,7 +907,7 @@ static void sdhci_calc_sw_timeout(struct sdhci_host *host,
if (data) {
blksz = data->blksz;
- freq = host->mmc->actual_clock ? : host->clock;
+ freq = mmc->actual_clock ? : host->clock;
transfer_time = (u64)blksz * NSEC_PER_SEC * (8 / bus_width);
do_div(transfer_time, freq);
/* multiply by '2' to account for any unknowns */
@@ -1176,7 +1176,7 @@ static int sdhci_external_dma_init(struct sdhci_host *host)
int ret = 0;
struct mmc_host *mmc = host->mmc;
- host->tx_chan = dma_request_chan(mmc->parent, "tx");
+ host->tx_chan = dma_request_chan(mmc_dev(mmc), "tx");
if (IS_ERR(host->tx_chan)) {
ret = PTR_ERR(host->tx_chan);
if (ret != -EPROBE_DEFER)
@@ -1185,7 +1185,7 @@ static int sdhci_external_dma_init(struct sdhci_host *host)
return ret;
}
- host->rx_chan = dma_request_chan(mmc->parent, "rx");
+ host->rx_chan = dma_request_chan(mmc_dev(mmc), "rx");
if (IS_ERR(host->rx_chan)) {
if (host->tx_chan) {
dma_release_channel(host->tx_chan);
@@ -2269,14 +2269,14 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK &&
host->clock) {
- host->timeout_clk = host->mmc->actual_clock ?
- host->mmc->actual_clock / 1000 :
+ host->timeout_clk = mmc->actual_clock ?
+ mmc->actual_clock / 1000 :
host->clock / 1000;
- host->mmc->max_busy_timeout =
+ mmc->max_busy_timeout =
host->ops->get_max_timeout_count ?
host->ops->get_max_timeout_count(host) :
1 << 27;
- host->mmc->max_busy_timeout /= host->timeout_clk;
+ mmc->max_busy_timeout /= host->timeout_clk;
}
}
@@ -2399,7 +2399,7 @@ static int sdhci_get_cd(struct mmc_host *mmc)
return 0;
/* If nonremovable, assume that the card is always present. */
- if (!mmc_card_is_removable(host->mmc))
+ if (!mmc_card_is_removable(mmc))
return 1;
/*
@@ -2489,14 +2489,14 @@ void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
unsigned long flags;
if (enable)
- pm_runtime_get_noresume(host->mmc->parent);
+ pm_runtime_get_noresume(mmc_dev(mmc));
spin_lock_irqsave(&host->lock, flags);
sdhci_enable_sdio_irq_nolock(host, enable);
spin_unlock_irqrestore(&host->lock, flags);
if (!enable)
- pm_runtime_put_noidle(host->mmc->parent);
+ pm_runtime_put_noidle(mmc_dev(mmc));
}
EXPORT_SYMBOL_GPL(sdhci_enable_sdio_irq);
@@ -2837,7 +2837,7 @@ int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
goto out;
}
- host->mmc->retune_period = tuning_count;
+ mmc->retune_period = tuning_count;
if (host->tuning_delay < 0)
host->tuning_delay = opcode == MMC_SEND_TUNING_BLOCK;
@@ -2886,11 +2886,10 @@ static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable)
static void sdhci_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
int err)
{
- struct sdhci_host *host = mmc_priv(mmc);
struct mmc_data *data = mrq->data;
if (data->host_cookie != COOKIE_UNMAPPED)
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
+ dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len,
mmc_get_dma_dir(data));
data->host_cookie = COOKIE_UNMAPPED;
@@ -2941,9 +2940,9 @@ static void sdhci_card_event(struct mmc_host *mmc)
/* Check sdhci_has_requests() first in case we are runtime suspended */
if (sdhci_has_requests(host) && !present) {
pr_err("%s: Card removed during transfer!\n",
- mmc_hostname(host->mmc));
+ mmc_hostname(mmc));
pr_err("%s: Resetting controller.\n",
- mmc_hostname(host->mmc));
+ mmc_hostname(mmc));
sdhci_do_reset(host, SDHCI_RESET_CMD);
sdhci_do_reset(host, SDHCI_RESET_DATA);
@@ -2996,6 +2995,37 @@ static bool sdhci_request_done(struct sdhci_host *host)
return true;
}
+ /*
+ * The controller needs a reset of internal state machines
+ * upon error conditions.
+ */
+ if (sdhci_needs_reset(host, mrq)) {
+ /*
+ * Do not finish until command and data lines are available for
+ * reset. Note there can only be one other mrq, so it cannot
+ * also be in mrqs_done, otherwise host->cmd and host->data_cmd
+ * would both be null.
+ */
+ if (host->cmd || host->data_cmd) {
+ spin_unlock_irqrestore(&host->lock, flags);
+ return true;
+ }
+
+ /* Some controllers need this kick or reset won't work here */
+ if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET)
+ /* This is to force an update */
+ host->ops->set_clock(host, host->clock);
+
+ /*
+ * Spec says we should do both at the same time, but Ricoh
+ * controllers do not like that.
+ */
+ sdhci_do_reset(host, SDHCI_RESET_CMD);
+ sdhci_do_reset(host, SDHCI_RESET_DATA);
+
+ host->pending_reset = false;
+ }
+
/*
* Always unmap the data buffers if they were mapped by
* sdhci_prepare_data() whenever we finish with a request.
@@ -3033,7 +3063,7 @@ static bool sdhci_request_done(struct sdhci_host *host)
length = host->bounce_buffer_size;
}
dma_sync_single_for_cpu(
- host->mmc->parent,
+ mmc_dev(host->mmc),
host->bounce_addr,
host->bounce_buffer_size,
DMA_FROM_DEVICE);
@@ -3044,7 +3074,7 @@ static bool sdhci_request_done(struct sdhci_host *host)
} else {
/* No copying, just switch ownership */
dma_sync_single_for_cpu(
- host->mmc->parent,
+ mmc_dev(host->mmc),
host->bounce_addr,
host->bounce_buffer_size,
mmc_get_dma_dir(data));
@@ -3059,35 +3089,6 @@ static bool sdhci_request_done(struct sdhci_host *host)
}
}
- /*
- * The controller needs a reset of internal state machines
- * upon error conditions.
- */
- if (sdhci_needs_reset(host, mrq)) {
- /*
- * Do not finish until command and data lines are available for
- * reset. Note there can only be one other mrq, so it cannot
- * also be in mrqs_done, otherwise host->cmd and host->data_cmd
- * would both be null.
- */
- if (host->cmd || host->data_cmd) {
- spin_unlock_irqrestore(&host->lock, flags);
- return true;
- }
-
- /* Some controllers need this kick or reset won't work here */
- if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET)
- /* This is to force an update */
- host->ops->set_clock(host, host->clock);
-
- /* Spec says we should do both at the same time, but Ricoh
- controllers do not like that. */
- sdhci_do_reset(host, SDHCI_RESET_CMD);
- sdhci_do_reset(host, SDHCI_RESET_DATA);
-
- host->pending_reset = false;
- }
-
host->mrqs_done[i] = NULL;
spin_unlock_irqrestore(&host->lock, flags);
@@ -3675,7 +3676,7 @@ int sdhci_resume_host(struct sdhci_host *host)
host->ops->enable_dma(host);
}
- if ((host->mmc->pm_flags & MMC_PM_KEEP_POWER) &&
+ if ((mmc->pm_flags & MMC_PM_KEEP_POWER) &&
(host->quirks2 & SDHCI_QUIRK2_HOST_OFF_CARD_ON)) {
/* Card keeps power but host controller does not */
sdhci_init(host, 0);
@@ -3683,7 +3684,7 @@ int sdhci_resume_host(struct sdhci_host *host)
host->clock = 0;
mmc->ops->set_ios(mmc, &mmc->ios);
} else {
- sdhci_init(host, (host->mmc->pm_flags & MMC_PM_KEEP_POWER));
+ sdhci_init(host, (mmc->pm_flags & MMC_PM_KEEP_POWER));
}
if (host->irq_wake_enabled) {
@@ -3691,7 +3692,7 @@ int sdhci_resume_host(struct sdhci_host *host)
} else {
ret = request_threaded_irq(host->irq, sdhci_irq,
sdhci_thread_irq, IRQF_SHARED,
- mmc_hostname(host->mmc), host);
+ mmc_hostname(mmc), host);
if (ret)
return ret;
}
@@ -4052,7 +4053,7 @@ static void sdhci_allocate_bounce_buffer(struct sdhci_host *host)
* speedups by the help of a bounce buffer to group scattered
* reads/writes together.
*/
- host->bounce_buffer = devm_kmalloc(mmc->parent,
+ host->bounce_buffer = devm_kmalloc(mmc_dev(mmc),
bounce_size,
GFP_KERNEL);
if (!host->bounce_buffer) {
@@ -4066,11 +4067,11 @@ static void sdhci_allocate_bounce_buffer(struct sdhci_host *host)
return;
}
- host->bounce_addr = dma_map_single(mmc->parent,
+ host->bounce_addr = dma_map_single(mmc_dev(mmc),
host->bounce_buffer,
bounce_size,
DMA_BIDIRECTIONAL);
- ret = dma_mapping_error(mmc->parent, host->bounce_addr);
+ ret = dma_mapping_error(mmc_dev(mmc), host->bounce_addr);
if (ret)
/* Again fall back to max_segs == 1 */
return;
@@ -4378,7 +4379,7 @@ int sdhci_setup_host(struct sdhci_host *host)
if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) &&
mmc_card_is_removable(mmc) &&
- mmc_gpio_get_cd(host->mmc) < 0)
+ mmc_gpio_get_cd(mmc) < 0)
mmc->caps |= MMC_CAP_NEEDS_POLL;
if (!IS_ERR(mmc->supply.vqmmc)) {
diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index 7a34649b0754782c871fd4df15eed292b95d5df0..1fad6e442688fc466570a90f28cdd54ffd39a980 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -558,7 +558,7 @@ static int sdhci_am654_cqe_add_host(struct sdhci_host *host)
struct cqhci_host *cq_host;
int ret;
- cq_host = devm_kzalloc(host->mmc->parent, sizeof(struct cqhci_host),
+ cq_host = devm_kzalloc(mmc_dev(host->mmc), sizeof(struct cqhci_host),
GFP_KERNEL);
if (!cq_host)
return -ENOMEM;
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 2d1db9396d4a52a9740d057f9bf3fa5e096740ab..f936aad945ce3ea0382628fb6bd29af4e51f487f 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -100,8 +100,8 @@
/* Define some IRQ masks */
/* This is the mask used at reset by the chip */
-#define TMIO_MASK_INIT_RCAR2 0x8b7f031d /* Initial value for R-Car Gen2+ */
#define TMIO_MASK_ALL 0x837f031d
+#define TMIO_MASK_ALL_RCAR2 0x8b7f031d
#define TMIO_MASK_READOP (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND)
#define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND)
#define TMIO_MASK_CMD (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT | \
@@ -164,6 +164,7 @@ struct tmio_mmc_host {
u32 sdio_irq_mask;
unsigned int clk_cache;
u32 sdcard_irq_setbit_mask;
+ u32 sdcard_irq_mask_all;
spinlock_t lock; /* protect host private data */
unsigned long last_req_ts;
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 49c2d406c48efedfb9e7b628053b0d2fc222de6f..7dfc26f48c18f0c236308bff87705eff0c91c2db 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -164,6 +164,21 @@ static void tmio_mmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
}
}
+static void tmio_mmc_set_bus_width(struct tmio_mmc_host *host,
+ unsigned char bus_width)
+{
+ u16 reg = sd_ctrl_read16(host, CTL_SD_MEM_CARD_OPT)
+ & ~(CARD_OPT_WIDTH | CARD_OPT_WIDTH8);
+
+ /* reg now applies to MMC_BUS_WIDTH_4 */
+ if (bus_width == MMC_BUS_WIDTH_1)
+ reg |= CARD_OPT_WIDTH;
+ else if (bus_width == MMC_BUS_WIDTH_8)
+ reg |= CARD_OPT_WIDTH8;
+
+ sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, reg);
+}
+
static void tmio_mmc_reset(struct tmio_mmc_host *host)
{
/* FIXME - should we set stop clock reg here */
@@ -172,15 +187,23 @@ static void tmio_mmc_reset(struct tmio_mmc_host *host)
sd_ctrl_write16(host, CTL_RESET_SD, 0x0001);
usleep_range(10000, 11000);
+ tmio_mmc_abort_dma(host);
+
if (host->reset)
host->reset(host);
- tmio_mmc_abort_dma(host);
+ sd_ctrl_write32_as_16_and_16(host, CTL_IRQ_MASK, host->sdcard_irq_mask_all);
+ host->sdcard_irq_mask = host->sdcard_irq_mask_all;
+
+ tmio_mmc_set_bus_width(host, host->mmc->ios.bus_width);
if (host->pdata->flags & TMIO_MMC_SDIO_IRQ) {
sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK, host->sdio_irq_mask);
sd_ctrl_write16(host, CTL_TRANSACTION_CTL, 0x0001);
}
+
+ if (host->mmc->card)
+ mmc_retune_needed(host->mmc);
}
static void tmio_mmc_reset_work(struct work_struct *work)
@@ -874,21 +897,6 @@ static void tmio_mmc_power_off(struct tmio_mmc_host *host)
host->set_pwr(host->pdev, 0);
}
-static void tmio_mmc_set_bus_width(struct tmio_mmc_host *host,
- unsigned char bus_width)
-{
- u16 reg = sd_ctrl_read16(host, CTL_SD_MEM_CARD_OPT)
- & ~(CARD_OPT_WIDTH | CARD_OPT_WIDTH8);
-
- /* reg now applies to MMC_BUS_WIDTH_4 */
- if (bus_width == MMC_BUS_WIDTH_1)
- reg |= CARD_OPT_WIDTH;
- else if (bus_width == MMC_BUS_WIDTH_8)
- reg |= CARD_OPT_WIDTH8;
-
- sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, reg);
-}
-
static unsigned int tmio_mmc_get_timeout_cycles(struct tmio_mmc_host *host)
{
u16 val = sd_ctrl_read16(host, CTL_SD_MEM_CARD_OPT);
@@ -1160,15 +1168,6 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
mmc->caps & MMC_CAP_NEEDS_POLL ||
!mmc_card_is_removable(mmc));
- /*
- * On Gen2+, eMMC with NONREMOVABLE currently fails because native
- * hotplug gets disabled. It seems RuntimePM related yet we need further
- * research. Since we are planning a PM overhaul anyway, let's enforce
- * for now the device being active by enabling native hotplug always.
- */
- if (pdata->flags & TMIO_MMC_MIN_RCAR2)
- _host->native_hotplug = true;
-
/*
* While using internal tmio hardware logic for card detection, we need
* to ensure it stays powered for it to work.
@@ -1180,12 +1179,12 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
if (pdata->flags & TMIO_MMC_SDIO_IRQ)
_host->sdio_irq_mask = TMIO_SDIO_MASK_ALL;
+ if (!_host->sdcard_irq_mask_all)
+ _host->sdcard_irq_mask_all = TMIO_MASK_ALL;
+
_host->set_clock(_host, 0);
tmio_mmc_reset(_host);
- _host->sdcard_irq_mask = sd_ctrl_read16_and_16_as_32(_host, CTL_IRQ_MASK);
- tmio_mmc_disable_mmc_irqs(_host, TMIO_MASK_ALL);
-
if (_host->native_hotplug)
tmio_mmc_enable_mmc_irqs(_host,
TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT);
@@ -1238,7 +1237,7 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host)
cancel_work_sync(&host->done);
cancel_delayed_work_sync(&host->delayed_reset_work);
tmio_mmc_release_dma(host);
- tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_ALL);
+ tmio_mmc_disable_mmc_irqs(host, host->sdcard_irq_mask_all);
if (host->native_hotplug)
pm_runtime_put_noidle(&pdev->dev);
@@ -1268,7 +1267,7 @@ int tmio_mmc_host_runtime_suspend(struct device *dev)
{
struct tmio_mmc_host *host = dev_get_drvdata(dev);
- tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_ALL);
+ tmio_mmc_disable_mmc_irqs(host, host->sdcard_irq_mask_all);
if (host->clk_cache)
host->set_clock(host, 0);
@@ -1295,8 +1294,6 @@ int tmio_mmc_host_runtime_resume(struct device *dev)
tmio_mmc_enable_dma(host, true);
- mmc_retune_needed(host->mmc);
-
return 0;
}
EXPORT_SYMBOL_GPL(tmio_mmc_host_runtime_resume);
diff --git a/drivers/mmc/host/uniphier-sd.c b/drivers/mmc/host/uniphier-sd.c
index 2413b6750cec3c79ca6c9bbdd716446a0d8a7f83..ccbf9885a52bec98f3cc6f5615b7b1b43220888f 100644
--- a/drivers/mmc/host/uniphier-sd.c
+++ b/drivers/mmc/host/uniphier-sd.c
@@ -635,7 +635,7 @@ static int uniphier_sd_probe(struct platform_device *pdev)
ret = tmio_mmc_host_probe(host);
if (ret)
- goto free_host;
+ goto disable_clk;
ret = devm_request_irq(dev, irq, tmio_mmc_irq, IRQF_SHARED,
dev_name(dev), host);
@@ -646,6 +646,8 @@ static int uniphier_sd_probe(struct platform_device *pdev)
remove_host:
tmio_mmc_host_remove(host);
+disable_clk:
+ uniphier_sd_clk_disable(host);
free_host:
tmio_mmc_host_free(host);
@@ -658,6 +660,7 @@ static int uniphier_sd_remove(struct platform_device *pdev)
tmio_mmc_host_remove(host);
uniphier_sd_clk_disable(host);
+ tmio_mmc_host_free(host);
return 0;
}
diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index 4f4c0813f9fdccb9241da0f7352f033d308760a5..a1d09856009901f81afc6d0f40e7446f07e760d4 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -1271,7 +1271,6 @@ static int __maybe_unused via_sd_suspend(struct device *dev)
static int __maybe_unused via_sd_resume(struct device *dev)
{
struct via_crdr_mmc_host *sdhost;
- int ret = 0;
u8 gatt;
sdhost = dev_get_drvdata(dev);
@@ -1292,7 +1291,7 @@ static int __maybe_unused via_sd_resume(struct device *dev)
via_restore_pcictrlreg(sdhost);
via_init_sdc_pm(sdhost);
- return ret;
+ return 0;
}
static SIMPLE_DEV_PM_OPS(via_sd_pm_ops, via_sd_suspend, via_sd_resume);
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 26a3c7bc29ae57374e79836fb98ca4a451620062..c7e7b43600e9d38641ff1dd2101b9ccbf3f9f31e 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -302,9 +302,6 @@ struct mmc_host {
u32 ocr_avail_sdio; /* SDIO-specific OCR */
u32 ocr_avail_sd; /* SD-specific OCR */
u32 ocr_avail_mmc; /* MMC-specific OCR */
-#ifdef CONFIG_PM_SLEEP
- struct notifier_block pm_notify;
-#endif
struct wakeup_source *ws; /* Enable consume of uevents */
u32 max_current_330;
u32 max_current_300;
@@ -423,7 +420,6 @@ struct mmc_host {
/* group bitfields together to minimize padding */
unsigned int use_spi_crc:1;
unsigned int claimed:1; /* host exclusively claimed */
- unsigned int bus_dead:1; /* bus has been released */
unsigned int doing_init_tune:1; /* initial tuning in progress */
unsigned int can_retune:1; /* re-tuning can be used */
unsigned int doing_retune:1; /* re-tuning in progress */
@@ -454,7 +450,6 @@ struct mmc_host {
struct mmc_slot slot;
const struct mmc_bus_ops *bus_ops; /* current bus driver */
- unsigned int bus_refs; /* reference counter */
unsigned int sdio_irqs;
struct task_struct *sdio_irq_thread;
@@ -514,7 +509,7 @@ void mmc_free_host(struct mmc_host *);
void mmc_of_parse_clk_phase(struct mmc_host *host,
struct mmc_clk_phase_map *map);
int mmc_of_parse(struct mmc_host *host);
-int mmc_of_parse_voltage(struct device_node *np, u32 *mask);
+int mmc_of_parse_voltage(struct mmc_host *host, u32 *mask);
static inline void *mmc_priv(struct mmc_host *host)
{
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
index e28769991e8264e31a28482da14bbfb0165660a5..2a05d1ac4f0ed7c64c1a2173cde85fbffab576b5 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -82,7 +82,7 @@
#define SDIO_SD_REV_1_01 0 /* SD Physical Spec Version 1.01 */
#define SDIO_SD_REV_1_10 1 /* SD Physical Spec Version 1.10 */
#define SDIO_SD_REV_2_00 2 /* SD Physical Spec Version 2.00 */
-#define SDIO_SD_REV_3_00 3 /* SD Physical Spev Version 3.00 */
+#define SDIO_SD_REV_3_00 3 /* SD Physical Spec Version 3.00 */
#define SDIO_CCCR_IOEx 0x02
#define SDIO_CCCR_IORx 0x03
diff --git a/include/linux/spi/mmc_spi.h b/include/linux/spi/mmc_spi.h
index 778ae8eb1f3e859d6aea678c15f2f4b24713ec03..9ad9a06e488d42130ab56bea1525d88b60d86bbf 100644
--- a/include/linux/spi/mmc_spi.h
+++ b/include/linux/spi/mmc_spi.h
@@ -35,16 +35,7 @@ struct mmc_spi_platform_data {
void (*setpower)(struct device *, unsigned int maskval);
};
-#ifdef CONFIG_OF
extern struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi);
extern void mmc_spi_put_pdata(struct spi_device *spi);
-#else
-static inline struct mmc_spi_platform_data *
-mmc_spi_get_pdata(struct spi_device *spi)
-{
- return spi->dev.platform_data;
-}
-static inline void mmc_spi_put_pdata(struct spi_device *spi) {}
-#endif /* CONFIG_OF */
#endif /* __LINUX_SPI_MMC_SPI_H */