linux/drivers/mmc
Eugen Hristev dbdea70f71 mmc: sdhci-of-at91: fix CALCR register being rewritten
When enabling calibration at reset, the CALCR register was completely
rewritten. This may cause certain bits being deleted unintentedly.
Fix by issuing a read-modify-write operation.

Fixes: 727d836a37 ("mmc: sdhci-of-at91: add DT property to enable calibration on full reset")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/20200527105659.142560-1-eugen.hristev@microchip.com
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-05-29 12:38:00 +02:00
..
core mmc: sdio: Fix macro name for Marvell device with ID 0x9134 2020-05-28 11:26:47 +02:00
host mmc: sdhci-of-at91: fix CALCR register being rewritten 2020-05-29 12:38:00 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00