mmc: sdhci-pci-o2micro: Bug fix for SDR104 HW tuning failure
authorShirley Her <shirley.her@bayhubtech.com>
Sat, 6 Feb 2021 01:40:51 +0000 (17:40 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 4 Mar 2021 10:38:39 +0000 (11:38 +0100)
commite793c06f0c0d604d601bb0119b17e37733e6c173
tree96820ceca3394ea411a0081a2fcbbc433af0b131
parenta8997b99e8bc6bedf3be8cfb4472273d472fcde2
mmc: sdhci-pci-o2micro: Bug fix for SDR104 HW tuning failure

commit 1ad9f88014ae1d5abccb6fe930bc4c5c311bdc05 upstream.

Force chip enter L0 power state during SDR104 HW tuning to avoid tuning failure

Signed-off-by: Shirley Her <shirley.her@bayhubtech.com>
Link: https://lore.kernel.org/r/20210206014051.3418-1-shirley.her@bayhubtech.com
Fixes: 7b7d897e8898 ("mmc: sdhci-pci-o2micro: Add HW tuning for SDR104 mode")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/mmc/host/sdhci-pci-o2micro.c