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>

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 451b08a818a9d60e97e1ac8bb1f807ad89f25e30..df05352b6a4aa5bef6c54092078f7bd75acc455a 100644 (file)
--- 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);
 }
 
 /*