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authorSowjanya Komatineni <skomatineni@nvidia.com>2018-12-13 23:34:06 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2018-12-17 10:31:19 +0300
commit97207c12780d749770825f62c292c3140e57d79c (patch)
tree2a8608d0a919ef79a6d6b043f6cbc9817c27cbe2 /drivers/mmc
parent7566ec393f4161572ba6f11ad5171fd5d59b0fbd (diff)
downloadlinux-97207c12780d749770825f62c292c3140e57d79c.tar.xz
mmc: sdhci: Fix sdhci_do_enable_v4_mode
V4_MODE is Bit-15 of SDHCI_HOST_CONTROL2 register. Need to perform word access to this register. Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> Fixes: b3f80b434f72 ("mmc: sdhci: Add sd host v4 mode") Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 451b08a818a9..df05352b6a4a 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -127,12 +127,12 @@ static void sdhci_do_enable_v4_mode(struct sdhci_host *host)
{
u16 ctrl2;
- ctrl2 = sdhci_readb(host, SDHCI_HOST_CONTROL2);
+ ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
if (ctrl2 & SDHCI_CTRL_V4_MODE)
return;
ctrl2 |= SDHCI_CTRL_V4_MODE;
- sdhci_writeb(host, ctrl2, SDHCI_HOST_CONTROL);
+ sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
}
/*