diff --git a/drivers/video/fbdev/msm/mdss_io_util.c b/drivers/video/fbdev/msm/mdss_io_util.c
index 0baa3af79fa6..778b48591b86 100644
--- a/drivers/video/fbdev/msm/mdss_io_util.c
+++ b/drivers/video/fbdev/msm/mdss_io_util.c
@@ -224,7 +224,8 @@ int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg, int enable)
 			}
 			need_sleep = !regulator_is_enabled(in_vreg[i].vreg);
 			if (in_vreg[i].pre_on_sleep && need_sleep)
-				msleep(in_vreg[i].pre_on_sleep);
+				usleep_range(in_vreg[i].pre_on_sleep,
+					in_vreg[i].pre_on_sleep);
 			rc = regulator_set_load(in_vreg[i].vreg,
 				in_vreg[i].enable_load);
 			if (rc < 0) {
@@ -235,7 +236,8 @@ int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg, int enable)
 			}
 			rc = regulator_enable(in_vreg[i].vreg);
 			if (in_vreg[i].post_on_sleep && need_sleep)
-				msleep(in_vreg[i].post_on_sleep);
+				usleep_range(in_vreg[i].post_on_sleep,
+					in_vreg[i].post_on_sleep);
 			if (rc < 0) {
 				DEV_ERR("%pS->%s: %s enable failed\n",
 					__builtin_return_address(0), __func__,
@@ -246,12 +248,14 @@ int msm_dss_enable_vreg(struct dss_vreg *in_vreg, int num_vreg, int enable)
 	} else {
 		for (i = num_vreg-1; i >= 0; i--) {
 			if (in_vreg[i].pre_off_sleep)
-				msleep(in_vreg[i].pre_off_sleep);
+				usleep_range(in_vreg[i].pre_off_sleep,
+					in_vreg[i].pre_off_sleep);
 			regulator_set_load(in_vreg[i].vreg,
 				in_vreg[i].disable_load);
 			regulator_disable(in_vreg[i].vreg);
 			if (in_vreg[i].post_off_sleep)
-				msleep(in_vreg[i].post_off_sleep);
+				usleep_range(in_vreg[i].post_off_sleep,
+					in_vreg[i].post_off_sleep);
 		}
 	}
 	return rc;
@@ -262,12 +266,14 @@ disable_vreg:
 vreg_set_opt_mode_fail:
 	for (i--; i >= 0; i--) {
 		if (in_vreg[i].pre_off_sleep)
-			msleep(in_vreg[i].pre_off_sleep);
+			usleep_range(in_vreg[i].pre_off_sleep,
+				in_vreg[i].pre_off_sleep);
 		regulator_set_load(in_vreg[i].vreg,
 			in_vreg[i].disable_load);
 		regulator_disable(in_vreg[i].vreg);
 		if (in_vreg[i].post_off_sleep)
-			msleep(in_vreg[i].post_off_sleep);
+			usleep_range(in_vreg[i].post_off_sleep,
+				in_vreg[i].post_off_sleep);
 	}
 
 	return rc;