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path: root/drivers/mmc/dw_mmc.c
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Diffstat (limited to 'drivers/mmc/dw_mmc.c')
-rw-r--r--drivers/mmc/dw_mmc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 5bf36a0309..0df30bc045 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -245,7 +245,10 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
return -EINVAL;
}
- div = DIV_ROUND_UP(sclk, 2 * freq);
+ if (sclk == freq)
+ div = 0; /* bypass mode */
+ else
+ div = DIV_ROUND_UP(sclk, 2 * freq);
dwmci_writel(host, DWMCI_CLKENA, 0);
dwmci_writel(host, DWMCI_CLKSRC, 0);