tree b787b429a1bd01f364e752fe5b52e2f95cb46875
parent 44669034815a7ad263542ac605c581a10b22d146
author Per Forlin <per.forlin@linaro.org> 1314624958 +0200
committer Chris Ball <cjb@laptop.org> 1319661124 -0400

mmc: core: clarify how to use post_req in case of errors

The err condition in post_req() is set to undo a call made to pre_req()
that hasn't been started yet.  The err condition is not set if an MMC
request returns an error.

Signed-off-by: Per Forlin <per.forlin@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>