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mmc: core: report tuning command execution failure reason 

Print the error code when the tuning command fails.  This allows the
reason for the failure to be reported, which aids debugging.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Russell King 2016-01-29 09:44:05 +00:00 committed by Ulf Hansson
parent 09faf61d1c
commit 07d97d8723
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/core/core.c
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@ -1079,7 +1079,8 @@ int mmc_execute_tuning(struct mmc_card *card)
err = host->ops->execute_tuning(host, opcode);
if (err)
pr_err("%s: tuning execution failed\n", mmc_hostname(host));
pr_err("%s: tuning execution failed: %d\n",
mmc_hostname(host), err);
else
mmc_retune_enable(host);