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authorLinus Torvalds <torvalds@linux-foundation.org>2022-02-16 21:09:22 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2022-02-16 21:09:22 +0100
commitf71077a4d84bbe8c7b91b7db7c4ef815755ac5e3 (patch)
treea1e0e73bb04d546522c7edd72f4ee626ced30f4a
parenttty: n_tty: do not look ahead for EOL character past the end of the buffer (diff)
parentmmc: block: fix read single on recovery logic (diff)
downloadlinux-f71077a4d84bbe8c7b91b7db7c4ef815755ac5e3.tar.xz
linux-f71077a4d84bbe8c7b91b7db7c4ef815755ac5e3.zip
Merge tag 'mmc-v5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fix from Ulf Hansson: "Fix recovery logic for multi block I/O reads (MMC_READ_MULTIPLE_BLOCK)" * tag 'mmc-v5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: block: fix read single on recovery logic
-rw-r--r--drivers/mmc/core/block.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 4e61b28a002f..8d718aa56d33 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1682,31 +1682,31 @@ static void mmc_blk_read_single(struct mmc_queue *mq, struct request *req)
struct mmc_card *card = mq->card;
struct mmc_host *host = card->host;
blk_status_t error = BLK_STS_OK;
- int retries = 0;
do {
u32 status;
int err;
+ int retries = 0;
- mmc_blk_rw_rq_prep(mqrq, card, 1, mq);
+ while (retries++ <= MMC_READ_SINGLE_RETRIES) {
+ mmc_blk_rw_rq_prep(mqrq, card, 1, mq);
- mmc_wait_for_req(host, mrq);
+ mmc_wait_for_req(host, mrq);
- err = mmc_send_status(card, &status);
- if (err)
- goto error_exit;
-
- if (!mmc_host_is_spi(host) &&
- !mmc_ready_for_data(status)) {
- err = mmc_blk_fix_state(card, req);
+ err = mmc_send_status(card, &status);
if (err)
goto error_exit;
- }
- if (mrq->cmd->error && retries++ < MMC_READ_SINGLE_RETRIES)
- continue;
+ if (!mmc_host_is_spi(host) &&
+ !mmc_ready_for_data(status)) {
+ err = mmc_blk_fix_state(card, req);
+ if (err)
+ goto error_exit;
+ }
- retries = 0;
+ if (!mrq->cmd->error)
+ break;
+ }
if (mrq->cmd->error ||
mrq->data->error ||