2 files changed, 18 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
index 3c04c2f1b23f..30d028627c5b 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ b/arch/arm/mach-omap2/mmc-twl4030.c
@@ -198,6 +198,18 @@ static int twl_mmc_resume(struct device *dev, int slot)
 #define twl_mmc_resume  NULL
 #endif
 
+#if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
+
+static int twl4030_mmc_get_context_loss(struct device *dev)
+{
+        /* FIXME: PM DPS not implemented yet */
+        return 0;
+}
+
+#else
+#define twl4030_mmc_get_context_loss NULL
+#endif
+
 static int twl_mmc1_set_power(struct device *dev, int slot, int power_on,
                                 int vdd)
 {
@@ -390,6 +402,9 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
                 } else
                         mmc->slots[0].switch_pin = -EINVAL;
 
+                mmc->get_context_loss_count =
+                                twl4030_mmc_get_context_loss;
+
                 /* write protect normally uses an OMAP gpio */
                 if (gpio_is_valid(c->gpio_wp)) {
                         gpio_request(c->gpio_wp, "mmc_wp");
diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
index 81d5b36534b3..2f7cf31f9cd6 100644
--- a/arch/arm/plat-omap/include/mach/mmc.h
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -59,6 +59,9 @@ struct omap_mmc_platform_data {
         int (*suspend)(struct device *dev, int slot);
         int (*resume)(struct device *dev, int slot);
 
+        /* Return context loss count due to PM states changing */
+        int (*get_context_loss_count)(struct device *dev);
+
         u64 dma_mask;
 
         struct omap_mmc_slot_data {