mmc: sdhci: don't clobber adjacent registers

SDHCI_HOST_CONTROL is a byte-sized register, so don't write to it
as if it were a long, as that would result in clobbering the three
registers following.

Signed-off-by: Matt Reimer <mreimer@sdgsystems.com>

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 82d7984..1f8917b 100644 (file)
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -412,7 +412,7 @@ static int sdhci_init(struct mmc *mmc)
        if (host->quirks & SDHCI_QUIRK_NO_CD) {
                unsigned int status;
 
-               sdhci_writel(host, SDHCI_CTRL_CD_TEST_INS | SDHCI_CTRL_CD_TEST,
+               sdhci_writeb(host, SDHCI_CTRL_CD_TEST_INS | SDHCI_CTRL_CD_TEST,
                        SDHCI_HOST_CONTROL);
 
                status = sdhci_readl(host, SDHCI_PRESENT_STATE);