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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /drivers/mmc/core
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/debugfs.c51
-rw-r--r--drivers/mmc/core/mmc.c7
-rw-r--r--drivers/mmc/core/queue.c6
-rw-r--r--drivers/mmc/core/slot-gpio.c6
4 files changed, 61 insertions, 9 deletions
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index 2c97b94aab..1642ea72d2 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -12,9 +12,12 @@
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/fault-inject.h>
+#include <linux/time.h>
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/sd.h>
#include "core.h"
#include "card.h"
@@ -298,6 +301,49 @@ static const struct file_operations mmc_err_stats_fops = {
.release = single_release,
};
+static int mmc_caps_get(void *data, u64 *val)
+{
+ *val = *(u32 *)data;
+ return 0;
+}
+
+static int mmc_caps_set(void *data, u64 val)
+{
+ u32 *caps = data;
+ u32 diff = *caps ^ val;
+ u32 allowed = MMC_CAP_AGGRESSIVE_PM |
+ MMC_CAP_SD_HIGHSPEED |
+ MMC_CAP_MMC_HIGHSPEED |
+ MMC_CAP_UHS |
+ MMC_CAP_DDR;
+
+ if (diff & ~allowed)
+ return -EINVAL;
+
+ *caps = val;
+
+ return 0;
+}
+
+static int mmc_caps2_set(void *data, u64 val)
+{
+ u32 allowed = MMC_CAP2_HSX00_1_8V | MMC_CAP2_HSX00_1_2V;
+ u32 *caps = data;
+ u32 diff = *caps ^ val;
+
+ if (diff & ~allowed)
+ return -EINVAL;
+
+ *caps = val;
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(mmc_caps_fops, mmc_caps_get, mmc_caps_set,
+ "0x%08llx\n");
+DEFINE_DEBUGFS_ATTRIBUTE(mmc_caps2_fops, mmc_caps_get, mmc_caps2_set,
+ "0x%08llx\n");
+
void mmc_add_host_debugfs(struct mmc_host *host)
{
struct dentry *root;
@@ -306,8 +352,9 @@ void mmc_add_host_debugfs(struct mmc_host *host)
host->debugfs_root = root;
debugfs_create_file("ios", S_IRUSR, root, host, &mmc_ios_fops);
- debugfs_create_x32("caps", S_IRUSR, root, &host->caps);
- debugfs_create_x32("caps2", S_IRUSR, root, &host->caps2);
+ debugfs_create_file("caps", 0600, root, &host->caps, &mmc_caps_fops);
+ debugfs_create_file("caps2", 0600, root, &host->caps2,
+ &mmc_caps2_fops);
debugfs_create_file_unsafe("clock", S_IRUSR | S_IWUSR, root, host,
&mmc_clock_fops);
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index a46ce0868f..705942edac 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -419,7 +419,6 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
card->ext_csd.strobe_support = ext_csd[EXT_CSD_STROBE_SUPPORT];
card->ext_csd.raw_card_type = ext_csd[EXT_CSD_CARD_TYPE];
- mmc_select_card_type(card);
card->ext_csd.raw_s_a_timeout = ext_csd[EXT_CSD_S_A_TIMEOUT];
card->ext_csd.raw_erase_timeout_mult =
@@ -1732,6 +1731,12 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
mmc_set_erase_size(card);
}
+ /*
+ * Reselect the card type since host caps could have been changed when
+ * debugging even if the card is not new.
+ */
+ mmc_select_card_type(card);
+
/* Enable ERASE_GRP_DEF. This bit is lost after a reset or power off. */
if (card->ext_csd.rev >= 3) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index b396e39007..a0a2412f62 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -260,11 +260,7 @@ static blk_status_t mmc_mq_queue_rq(struct blk_mq_hw_ctx *hctx,
}
break;
case MMC_ISSUE_ASYNC:
- /*
- * For MMC host software queue, we only allow 2 requests in
- * flight to avoid a long latency.
- */
- if (host->hsq_enabled && mq->in_flight[issue_type] > 2) {
+ if (host->hsq_enabled && mq->in_flight[issue_type] > host->hsq_depth) {
spin_unlock_irq(&mq->lock);
return BLK_STS_RESOURCE;
}
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 2a2d949a93..39f45c2b6d 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -75,11 +75,15 @@ EXPORT_SYMBOL(mmc_gpio_set_cd_irq);
int mmc_gpio_get_ro(struct mmc_host *host)
{
struct mmc_gpio *ctx = host->slot.handler_priv;
+ int cansleep;
if (!ctx || !ctx->ro_gpio)
return -ENOSYS;
- return gpiod_get_value_cansleep(ctx->ro_gpio);
+ cansleep = gpiod_cansleep(ctx->ro_gpio);
+ return cansleep ?
+ gpiod_get_value_cansleep(ctx->ro_gpio) :
+ gpiod_get_value(ctx->ro_gpio);
}
EXPORT_SYMBOL(mmc_gpio_get_ro);