diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2017-01-03 17:56:50 -0800 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-01-03 17:56:49 -0800 |
| commit | 3150bfec5cb45bc75631dfb3c27ef90029290d58 (patch) | |
| tree | c26d661de2389ebde81913acdfa34f3f5a4727ec /drivers | |
| parent | c07da5b6025d133520eb4eaadddef97b697b7605 (diff) | |
| parent | 11536b8f2540991f7d580a5edb45f608c79e3e55 (diff) | |
Merge "mmc: block: Add check to mmc_blk_part_switch"
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/card/block.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 9ec0928658cd..5743588aa52b 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -136,6 +136,7 @@ struct mmc_blk_data { #define MMC_BLK_DISCARD BIT(2) #define MMC_BLK_SECDISCARD BIT(3) #define MMC_BLK_FLUSH BIT(4) +#define MMC_BLK_PARTSWITCH BIT(5) /* * Only set in main mmc_blk_data associated @@ -1416,8 +1417,13 @@ static inline int mmc_blk_part_switch(struct mmc_card *card, ret = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONFIG, part_config, card->ext_csd.part_time); - if (ret) + + if (ret) { + pr_err("%s: mmc_blk_part_switch failure, %d -> %d\n", + mmc_hostname(card->host), main_md->part_curr, + md->part_type); return ret; + } card->ext_csd.part_config = part_config; card->part_curr = md->part_type; @@ -3933,6 +3939,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) struct mmc_host *host = card->host; unsigned long flags; unsigned int cmd_flags = req ? req->cmd_flags : 0; + int err; if (req && !mq->mqrq_prev->req) { /* claim host only for the first request */ @@ -3946,7 +3953,17 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) } ret = mmc_blk_part_switch(card, md); + if (ret) { + err = mmc_blk_reset(md, card->host, MMC_BLK_PARTSWITCH); + if (!err) { + pr_err("%s: mmc_blk_reset(MMC_BLK_PARTSWITCH) succeeded.\n", + mmc_hostname(host)); + mmc_blk_reset_success(md, MMC_BLK_PARTSWITCH); + } else + pr_err("%s: mmc_blk_reset(MMC_BLK_PARTSWITCH) failed.\n", + mmc_hostname(host)); + if (req) { blk_end_request_all(req, -EIO); } |