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mmc: sdhci: Fix sdhci_do_enable_v4_mode

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V4_MODE is Bit-15 of SDHCI_HOST_CONTROL2 register.
Need to perform word access to this register.

Signed-off-by: Sowjanya Komatineni <[email protected]>
Fixes: b3f80b434f ("mmc: sdhci: Add sd host v4 mode")
Acked-by: Adrian Hunter <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
This commit is contained in:
Sowjanya Komatineni 2018-12-13 12:34:06 -08:00 • committed by Ulf Hansson
commit 97207c1278
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/host/sdhci.c
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@ -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);
}
/*