mmc: increase power up delay

The TI controller on Toshiba Tecra M5 needs more time to power up or
the cards will init incorrectly or not at all.

Signed-off-by: José M. Fernández <josemariafg@gmail.com>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
Signed-off-by: San Mehat <san@google.com>

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index eda54c4..034d615 100644 (file)
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -594,7 +594,7 @@ static void mmc_power_up(struct mmc_host *host)
         * This delay should be sufficient to allow the power supply
         * to reach the minimum voltage.
         */
-       mmc_delay(2);
+       mmc_delay(10);
 
        host->ios.clock = host->f_min;
        host->ios.power_mode = MMC_POWER_ON;
@@ -604,7 +604,7 @@ static void mmc_power_up(struct mmc_host *host)
         * This delay must be at least 74 clock sizes, or 1 ms, or the
         * time required to reach a stable voltage.
         */
-       mmc_delay(2);
+       mmc_delay(10);
 }
 
 static void mmc_power_off(struct mmc_host *host)