mmc: sdhci: add quirk for ACMD23 broken
authorScott Branden <sbranden@broadcom.com>
Tue, 10 Feb 2015 00:06:28 +0000 (16:06 -0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 23 Mar 2015 13:13:39 +0000 (14:13 +0100)
commit3bfa6f030a01870a43e2a0652437a20b59bc3412
tree1a528b4df9a087251c8058a5ae9af4ddd3b1fb4e
parenteeed7026b4b2840dcc771c3a23783425b50bd6ef
mmc: sdhci: add quirk for ACMD23 broken

Add quirk to handle broken auto-CMD23.
Some controllers do not respond after the first auto-CMD23 is issued.

This allows CMD23 to still work (mandatory for the faster UHS-I mode)
rather than disabling CMD23 entirely via SDHCI_QUIRK2_HOST_NO_CMD23.

Signed-off by: Corneliu Doban <cdoban@broadcom.com>
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci.c
include/linux/mmc/sdhci.h