Index: linux-2.6.21.7/drivers/mmc/pxamci.c =================================================================== --- linux-2.6.21.7.orig/drivers/mmc/pxamci.c +++ linux-2.6.21.7/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);