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path: root/drivers/mmc/core/block.c
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Diffstat (limited to 'drivers/mmc/core/block.c')
-rw-r--r--drivers/mmc/core/block.c76
1 files changed, 47 insertions, 29 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index d666e24fbe0e..689eb9afeeed 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);
@@ -573,6 +573,18 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
}
/*
+ * 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 @@ out_post_req:
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)
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-30 11:37:14 +0300