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SubjectMMC: 2/2 Fix MMC_POWER_UP on some OMAP boards

MMC spec says that we must not enable clock prior to the power
stabilizing. But at least omap16xx needs clock divisor configured
during MMC_POWER_UP.

Signed-off-by: Tony Lindgren <tony@atomide.com>

--- a/drivers/mmc/omap.c
+++ b/drivers/mmc/omap.c
@@ -899,9 +899,16 @@ static void mmc_omap_set_ios(struct mmc_
int dsor;
int realclock, i;

- realclock = ios->clock;
+ /* According to the MMC spec we must not enable clock prior to
+ * power stabilizing. But at least omap16xx needs clock dsor
+ * configured during MMC_POWER_UP.
+ */
+ if ((ios->power_mode == MMC_POWER_UP) && (ios->clock == 0))
+ realclock = mmc->f_min;
+ else
+ realclock = ios->clock;

- if (ios->clock == 0)
+ if (realclock == 0)
dsor = 0;
else {
int func_clk_rate = clk_get_rate(host->fclk);
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