1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index dc95756fd95c..4693e62145a6 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -364,6 +364,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
 {
         struct regulator *reg;
         int ret = 0;
+        int ocr_value = 0;
 
         switch (host->id) {
         case OMAP_MMC1_DEVID:
@@ -396,6 +397,17 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
                 }
         } else {
                 host->vcc = reg;
+                ocr_value = mmc_regulator_get_ocrmask(reg);
+                if (!mmc_slot(host).ocr_mask) {
+                        mmc_slot(host).ocr_mask = ocr_value;
+                } else {
+                        if (!(mmc_slot(host).ocr_mask & ocr_value)) {
+                                pr_err("MMC%d ocrmask %x is not supported\n",
+                                        host->id, mmc_slot(host).ocr_mask);
+                                mmc_slot(host).ocr_mask = 0;
+                                return -EINVAL;
+                        }
+                }
                 mmc_slot(host).ocr_mask = mmc_regulator_get_ocrmask(reg);
 
                 /* Allow an aux regulator */