Commit 97207c12 authored Dec 13, 2018 by Sowjanya Komatineni Committed by Ulf Hansson Dec 17, 2018

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: b3f80b43 ("mmc: sdhci: Add sd host v4 mode")
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent 7566ec39

drivers/mmc/host/sdhci.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);
		}

		/*

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