tree 61e31de25238df4f3139315920e6592fa9877ffe
parent bcc3e1726d827c2d6f62f0e0e7bbc99eed7ad925
author Ulf Hansson <ulf.hansson@linaro.org> 1390989715 +0100
committer Chris Ball <chris@printf.net> 1393170058 -0500

mmc: block: Implement card_busy_detect() for busy detection

To complete a data write request we poll for the card's status register
by sending CMD13. The are other scenarios when this polling method are
needed, which is why we here moves this code to it's own function. No
functional change.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>