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Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/block.c42
-rw-r--r--drivers/mmc/core/core.c1
-rw-r--r--drivers/mmc/core/pwrseq_emmc.c1
-rw-r--r--drivers/mmc/core/pwrseq_sd8787.c1
-rw-r--r--drivers/mmc/core/pwrseq_simple.c1
-rw-r--r--drivers/mmc/core/queue.c20
-rw-r--r--drivers/mmc/core/queue.h3
-rw-r--r--drivers/mmc/core/sdio_bus.c10
-rw-r--r--drivers/mmc/core/sdio_uart.c1
9 files changed, 42 insertions, 38 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 367509b5b646..2c9963248fcb 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2466,8 +2466,7 @@ 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];
- bool cache_enabled = false;
- bool fua_enabled = false;
+ unsigned int features = 0;
devidx = ida_alloc_max(&mmc_blk_ida, max_devices - 1, GFP_KERNEL);
if (devidx < 0) {
@@ -2499,7 +2498,24 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
*/
md->read_only = mmc_blk_readonly(card);
- md->disk = mmc_init_queue(&md->queue, card);
+ if (mmc_host_cmd23(card->host)) {
+ if ((mmc_card_mmc(card) &&
+ card->csd.mmca_vsn >= CSD_SPEC_VER_3) ||
+ (mmc_card_sd(card) &&
+ card->scr.cmds & SD_SCR_CMD23_SUPPORT))
+ md->flags |= MMC_BLK_CMD23;
+ }
+
+ if (md->flags & MMC_BLK_CMD23 &&
+ ((card->ext_csd.rel_param & EXT_CSD_WR_REL_PARAM_EN) ||
+ card->ext_csd.rel_sectors)) {
+ md->flags |= MMC_BLK_REL_WR;
+ features |= (BLK_FEAT_WRITE_CACHE | BLK_FEAT_FUA);
+ } else if (mmc_cache_enabled(card->host)) {
+ features |= BLK_FEAT_WRITE_CACHE;
+ }
+
+ md->disk = mmc_init_queue(&md->queue, card, features);
if (IS_ERR(md->disk)) {
ret = PTR_ERR(md->disk);
goto err_kfree;
@@ -2539,26 +2555,6 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
set_capacity(md->disk, size);
- if (mmc_host_cmd23(card->host)) {
- if ((mmc_card_mmc(card) &&
- card->csd.mmca_vsn >= CSD_SPEC_VER_3) ||
- (mmc_card_sd(card) &&
- card->scr.cmds & SD_SCR_CMD23_SUPPORT))
- md->flags |= MMC_BLK_CMD23;
- }
-
- if (md->flags & MMC_BLK_CMD23 &&
- ((card->ext_csd.rel_param & EXT_CSD_WR_REL_PARAM_EN) ||
- card->ext_csd.rel_sectors)) {
- md->flags |= MMC_BLK_REL_WR;
- fua_enabled = true;
- cache_enabled = true;
- }
- if (mmc_cache_enabled(card->host))
- cache_enabled = true;
-
- blk_queue_write_cache(md->queue.queue, cache_enabled, fua_enabled);
-
string_get_size((u64)size, 512, STRING_UNITS_2,
cap_str, sizeof(cap_str));
pr_info("%s: %s %s %s%s\n",
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index a8c17b4cd737..d6c819dd68ed 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2362,4 +2362,5 @@ static void __exit mmc_exit(void)
subsys_initcall(mmc_init);
module_exit(mmc_exit);
+MODULE_DESCRIPTION("MMC core driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/mmc/core/pwrseq_emmc.c b/drivers/mmc/core/pwrseq_emmc.c
index 3b6d69cefb4e..96fa4c508900 100644
--- a/drivers/mmc/core/pwrseq_emmc.c
+++ b/drivers/mmc/core/pwrseq_emmc.c
@@ -115,4 +115,5 @@ static struct platform_driver mmc_pwrseq_emmc_driver = {
};
module_platform_driver(mmc_pwrseq_emmc_driver);
+MODULE_DESCRIPTION("Hardware reset support for eMMC");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/core/pwrseq_sd8787.c b/drivers/mmc/core/pwrseq_sd8787.c
index 0c5808fc3206..f24bbd68e251 100644
--- a/drivers/mmc/core/pwrseq_sd8787.c
+++ b/drivers/mmc/core/pwrseq_sd8787.c
@@ -130,4 +130,5 @@ static struct platform_driver mmc_pwrseq_sd8787_driver = {
};
module_platform_driver(mmc_pwrseq_sd8787_driver);
+MODULE_DESCRIPTION("Power sequence support for Marvell SD8787 BT + Wifi chip");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/core/pwrseq_simple.c b/drivers/mmc/core/pwrseq_simple.c
index df9588503ad0..154a8921ae75 100644
--- a/drivers/mmc/core/pwrseq_simple.c
+++ b/drivers/mmc/core/pwrseq_simple.c
@@ -159,4 +159,5 @@ static struct platform_driver mmc_pwrseq_simple_driver = {
};
module_platform_driver(mmc_pwrseq_simple_driver);
+MODULE_DESCRIPTION("Simple power sequence management for MMC");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 241cdc2b2a2a..d0b3ca8a11f0 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -344,10 +344,12 @@ static const struct blk_mq_ops mmc_mq_ops = {
};
static struct gendisk *mmc_alloc_disk(struct mmc_queue *mq,
- struct mmc_card *card)
+ struct mmc_card *card, unsigned int features)
{
struct mmc_host *host = card->host;
- struct queue_limits lim = { };
+ struct queue_limits lim = {
+ .features = features,
+ };
struct gendisk *disk;
if (mmc_can_erase(card))
@@ -376,18 +378,16 @@ static struct gendisk *mmc_alloc_disk(struct mmc_queue *mq,
lim.max_segments = host->max_segs;
}
+ if (mmc_host_is_spi(host) && host->use_spi_crc)
+ lim.features |= BLK_FEAT_STABLE_WRITES;
+
disk = blk_mq_alloc_disk(&mq->tag_set, &lim, mq);
if (IS_ERR(disk))
return disk;
mq->queue = disk->queue;
- if (mmc_host_is_spi(host) && host->use_spi_crc)
- blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, mq->queue);
blk_queue_rq_timeout(mq->queue, 60 * HZ);
- blk_queue_flag_set(QUEUE_FLAG_NONROT, mq->queue);
- blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, mq->queue);
-
dma_set_max_seg_size(mmc_dev(host), queue_max_segment_size(mq->queue));
INIT_WORK(&mq->recovery_work, mmc_mq_recovery_handler);
@@ -413,10 +413,12 @@ static inline bool mmc_merge_capable(struct mmc_host *host)
* mmc_init_queue - initialise a queue structure.
* @mq: mmc queue
* @card: mmc card to attach this queue
+ * @features: block layer features (BLK_FEAT_*)
*
* Initialise a MMC card request queue.
*/
-struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
+struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
+ unsigned int features)
{
struct mmc_host *host = card->host;
struct gendisk *disk;
@@ -460,7 +462,7 @@ struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
return ERR_PTR(ret);
- disk = mmc_alloc_disk(mq, card);
+ disk = mmc_alloc_disk(mq, card, features);
if (IS_ERR(disk))
blk_mq_free_tag_set(&mq->tag_set);
return disk;
diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h
index 9ade3bcbb714..1498840a4ea0 100644
--- a/drivers/mmc/core/queue.h
+++ b/drivers/mmc/core/queue.h
@@ -94,7 +94,8 @@ struct mmc_queue {
struct work_struct complete_work;
};
-struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card);
+struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
+ unsigned int features);
extern void mmc_cleanup_queue(struct mmc_queue *);
extern void mmc_queue_suspend(struct mmc_queue *);
extern void mmc_queue_resume(struct mmc_queue *);
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index c5fdfe2325f8..b66b637e2d57 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -26,7 +26,7 @@
#include "sdio_cis.h"
#include "sdio_bus.h"
-#define to_sdio_driver(d) container_of(d, struct sdio_driver, drv)
+#define to_sdio_driver(d) container_of_const(d, struct sdio_driver, drv)
/* show configuration fields */
#define sdio_config_attr(field, format_string, args...) \
@@ -91,7 +91,7 @@ static const struct sdio_device_id *sdio_match_one(struct sdio_func *func,
}
static const struct sdio_device_id *sdio_match_device(struct sdio_func *func,
- struct sdio_driver *sdrv)
+ const struct sdio_driver *sdrv)
{
const struct sdio_device_id *ids;
@@ -108,10 +108,10 @@ static const struct sdio_device_id *sdio_match_device(struct sdio_func *func,
return NULL;
}
-static int sdio_bus_match(struct device *dev, struct device_driver *drv)
+static int sdio_bus_match(struct device *dev, const struct device_driver *drv)
{
struct sdio_func *func = dev_to_sdio_func(dev);
- struct sdio_driver *sdrv = to_sdio_driver(drv);
+ const struct sdio_driver *sdrv = to_sdio_driver(drv);
if (sdio_match_device(func, sdrv))
return 1;
@@ -129,7 +129,7 @@ sdio_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
"SDIO_CLASS=%02X", func->class))
return -ENOMEM;
- if (add_uevent_var(env,
+ if (add_uevent_var(env,
"SDIO_ID=%04X:%04X", func->vendor, func->device))
return -ENOMEM;
diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c
index 575ebbce378e..6b7471dba3bf 100644
--- a/drivers/mmc/core/sdio_uart.c
+++ b/drivers/mmc/core/sdio_uart.c
@@ -1162,4 +1162,5 @@ module_init(sdio_uart_init);
module_exit(sdio_uart_exit);
MODULE_AUTHOR("Nicolas Pitre");
+MODULE_DESCRIPTION("SDIO UART/GPS driver");
MODULE_LICENSE("GPL");
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