diff options
| author | Ken Sumrall <ksumrall@android.com> | 2016-05-10 14:53:13 +0530 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-05-16 11:31:26 +0200 |
| commit | cc4d04be94e34fc6d53307b534f830c6854c8721 (patch) | |
| tree | bd5e870f8ec5e19e0330c4a8f59bbde1e3070517 /drivers/mmc/card | |
| parent | ded97e0b165076556714d4a5708c87f5bcf03783 (diff) | |
| download | blackbird-op-linux-cc4d04be94e34fc6d53307b534f830c6854c8721.tar.gz blackbird-op-linux-cc4d04be94e34fc6d53307b534f830c6854c8721.zip | |
mmc: block: improve logging of handling emmc timeouts
Add some logging to make it clear just how the emmc timeout
was handled.
Signed-off-by: Ken Sumrall <ksumrall@android.com>
[AmitP: cherry-picked this Android patch from aosp
common kernel android-4.4]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/card')
| -rw-r--r-- | drivers/mmc/card/block.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 9ce679255775..5f2a3d69344f 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -948,16 +948,22 @@ static int mmc_blk_cmd_error(struct request *req, const char *name, int error, req->rq_disk->disk_name, "timed out", name, status); /* If the status cmd initially failed, retry the r/w cmd */ - if (!status_valid) + if (!status_valid) { + pr_err("%s: status not valid, retrying timeout\n", + req->rq_disk->disk_name); return ERR_RETRY; + } /* * If it was a r/w cmd crc error, or illegal command * (eg, issued in wrong state) then retry - we should * have corrected the state problem above. */ - if (status & (R1_COM_CRC_ERROR | R1_ILLEGAL_COMMAND)) + if (status & (R1_COM_CRC_ERROR | R1_ILLEGAL_COMMAND)) { + pr_err("%s: command error, retrying timeout\n", + req->rq_disk->disk_name); return ERR_RETRY; + } /* Otherwise abort the command */ return ERR_ABORT; |
