ARM: OMAP4: MMC: no regulator off during probe for eMMC

eMMC does not handle power off when not in sleep state,
Skip regulator disable during probe when eMMC is
not in known state - state left by bootloader.

Resolves eMMC failure on OMAP4
mmc0: error -110 whilst initialising MMC card

Signed-off-by: Balaji T K <balajitk@ti.com>
Tested-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Acked-by: Kishore Kadiyala <kishore.kadiyala@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index f38fef9f1310..c7b874186c27 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -101,6 +101,9 @@ struct omap_mmc_platform_data {
                 /* If using power_saving and the MMC power is not to go off */
                 unsigned no_off:1;
 
+                /* eMMC does not handle power off when not in sleep state */
+                unsigned no_regulator_off_init:1;
+
                 /* Regulator off remapped to sleep */
                 unsigned vcc_aux_disable_is_sleep:1;