1 files changed, 24 insertions, 9 deletions

diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c
index 8a36342e60d..3ac8fe1d821 100644
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -73,7 +73,8 @@ unsigned long voltdm_get_voltage(struct voltagedomain *voltdm)
 int voltdm_scale(struct voltagedomain *voltdm,
 		 unsigned long target_volt)
 {
-	int ret;
+	int ret, i;
+	unsigned long volt = 0;
 
 	if (!voltdm || IS_ERR(voltdm)) {
 		pr_warning("%s: VDD specified does not exist!\n", __func__);
@@ -86,9 +87,23 @@ int voltdm_scale(struct voltagedomain *voltdm,
 		return -ENODATA;
 	}
 
-	ret = voltdm->scale(voltdm, target_volt);
+	/* Adjust voltage to the exact voltage from the OPP table */
+	for (i = 0; voltdm->volt_data[i].volt_nominal != 0; i++) {
+		if (voltdm->volt_data[i].volt_nominal >= target_volt) {
+			volt = voltdm->volt_data[i].volt_nominal;
+			break;
+		}
+	}
+
+	if (!volt) {
+		pr_warning("%s: not scaling. OPP voltage for %lu, not found.\n",
+			   __func__, target_volt);
+		return -EINVAL;
+	}
+
+	ret = voltdm->scale(voltdm, volt);
 	if (!ret)
-		voltdm->nominal_volt = target_volt;
+		voltdm->nominal_volt = volt;
 
 	return ret;
 }
@@ -180,8 +195,8 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
 			return &voltdm->volt_data[i];
 	}
 
-	pr_notice("%s: Unable to match the current voltage with the voltage"
-		"table for vdd_%s\n", __func__, voltdm->name);
+	pr_notice("%s: Unable to match the current voltage with the voltage table for vdd_%s\n",
+		  __func__, voltdm->name);
 
 	return ERR_PTR(-ENODATA);
 }
@@ -234,8 +249,8 @@ void omap_change_voltscale_method(struct voltagedomain *voltdm,
 		voltdm->scale = omap_vc_bypass_scale;
 		return;
 	default:
-		pr_warning("%s: Trying to change the method of voltage scaling"
-			"to an unsupported one!\n", __func__);
+		pr_warn("%s: Trying to change the method of voltage scaling to an unsupported one!\n",
+			__func__);
 	}
 }
 
@@ -316,8 +331,8 @@ int voltdm_add_pwrdm(struct voltagedomain *voltdm, struct powerdomain *pwrdm)
 	if (!voltdm || !pwrdm)
 		return -EINVAL;
 
-	pr_debug("voltagedomain: associating powerdomain %s with voltagedomain "
-		 "%s\n", pwrdm->name, voltdm->name);
+	pr_debug("voltagedomain: %s: associating powerdomain %s\n",
+		 voltdm->name, pwrdm->name);
 
 	list_add(&pwrdm->voltdm_node, &voltdm->pwrdm_list);