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--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -366,8 +366,7 @@ static void pxamci_set_ios(struct mmc_ho
if (ios->clock) {
unsigned int clk = CLOCKRATE / ios->clock;
- if (CLOCKRATE / clk > ios->clock)
- clk <<= 1;
+ if(clk > (1<<6)) clk = (1<<6);
host->clkrt = fls(clk) - 1;
pxa_set_cken(CKEN12_MMC, 1);
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