1 files changed, 10 insertions, 3 deletions

diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 857f7daa3286..66868c5d5a29 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -145,6 +145,7 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
                                  int power_on, int vdd)
 {
         u32 reg;
+        unsigned long timeout;
 
         if (power_on) {
                 reg = omap4_ctrl_pad_readl(control_pbias_offset);
@@ -157,9 +158,15 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot,
                         OMAP4_MMC1_PWRDNZ_MASK |
                         OMAP4_USBC1_ICUSB_PWRDNZ_MASK);
                 omap4_ctrl_pad_writel(reg, control_pbias_offset);
-                /* 4 microsec delay for comparator to generate an error*/
-                udelay(4);
-                reg = omap4_ctrl_pad_readl(control_pbias_offset);
+
+                timeout = jiffies + msecs_to_jiffies(5);
+                do {
+                        reg = omap4_ctrl_pad_readl(control_pbias_offset);
+                        if (!(reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK))
+                                break;
+                        usleep_range(100, 200);
+                } while (!time_after(jiffies, timeout));
+
                 if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) {
                         pr_err("Pbias Voltage is not same as LDO\n");
                         /* Caution : On VMODE_ERROR Power Down MMC IO */