In sdhci_init() a writel() is used on a byte-sized register, which would
clobber the adjacent registers. Below is my suggested fix. If it looks correct,
I can submit a proper patch.
Matt
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 82d7984..1f8917b 100644
--- 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);
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