tree 4852eb0280919a3cc29415cf8cd4a0c51e4c96a1
parent fb3148a2302b18860a5141d2d8d500ff7d58c0b8
author Marek Vasut <marex@denx.de> 1541544131 +0100
committer Tom Rini <trini@konsulko.com> 1541855790 -0500

mmc: dw_mmc: Add RCRC handling

This patch adds check for command response CRC failure. The driver
is currently ignoring CRC check failure on command resposes which
have CRC atteched to it, which can be potentially dangerous. Even
more grueling problem happens when the command response is followed
by data transfer though, as in that case, the dwmci_data_transfer()
function will spin until it reaches the 240s timeout.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>