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authorBalaji T K <balajitk@ti.com>2011-05-30 19:55:34 +0530
committerTony Lindgren <tony@atomide.com>2011-06-01 02:25:04 -0700
commitb1c1df7a7d50bf94de89704e963467bc94b1fef9 (patch)
treebe95cd2ed5cc248ac22cb31f3e6da382b135f41f /arch/arm/plat-omap
parente68273baf30390e9c907831b47384085c7f664d5 (diff)
downloadlinux-b1c1df7a7d50bf94de89704e963467bc94b1fef9.tar.bz2
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>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/include/plat/mmc.h3
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;