OMAP3+: voltage: move/rename curr_volt from vdd_info into struct voltagedomain

Track current nominal voltage as part of struct voltagedomain instead
of omap_vdd_info, which will soon be removed.

Also renames field from curr_volt to nominal_volt.

No functional changes.
Signed-off-by: Kevin Hilman <khilman@ti.com>

arch/arm/mach-omap2/vc.c

@@ -128,7 +128,7 @@ int omap_vc_pre_scale(struct voltagedomain *voltdm,
 	}
 
 	*target_vsel = voltdm->pmic->uv_to_vsel(target_volt);
-	*current_vsel = voltdm->pmic->uv_to_vsel(vdd->curr_volt);
+	*current_vsel = voltdm->pmic->uv_to_vsel(voltdm->nominal_volt);
 
 	/* Setting the ON voltage to the new target voltage */
 	vc_cmdval = voltdm->read(vc->cmdval_reg);
@@ -145,7 +145,6 @@ void omap_vc_post_scale(struct voltagedomain *voltdm,
 			unsigned long target_volt,
 			u8 target_vsel, u8 current_vsel)
 {
-	struct omap_vdd_info *vdd = voltdm->vdd;
 	u32 smps_steps = 0, smps_delay = 0;
 
 	smps_steps = abs(target_vsel - current_vsel);
@@ -154,7 +153,7 @@ void omap_vc_post_scale(struct voltagedomain *voltdm,
 			voltdm->pmic->slew_rate) + 2;
 	udelay(smps_delay);
 
-	vdd->curr_volt = target_volt;
+	voltdm->nominal_volt = target_volt;
 }
 
 /* vc_bypass_scale - VC bypass method of voltage scaling */

arch/arm/mach-omap2/voltage.c

@@ -81,16 +81,12 @@ static int __init omap_vdd_data_configure(struct voltagedomain *voltdm)
  */
 unsigned long omap_voltage_get_nom_volt(struct voltagedomain *voltdm)
 {
-	struct omap_vdd_info *vdd;
-
 	if (!voltdm || IS_ERR(voltdm)) {
 		pr_warning("%s: VDD specified does not exist!\n", __func__);
 		return 0;
 	}
 
-	vdd = voltdm->vdd;
-
-	return vdd->curr_volt;
+	return voltdm->nominal_volt;
 }
 
 /**

arch/arm/mach-omap2/voltage.h

@@ -62,6 +62,7 @@ struct omap_vfsm_instance {
  * @sys_clk: system clock name/frequency, used for various timing calculations
  * @vdd: to be removed
  * @scale: function used to scale the voltage of the voltagedomain
+ * @nominal_volt: current nominal voltage for this voltage domain
  */
 struct voltagedomain {
 	char *name;
@@ -85,6 +86,7 @@ struct voltagedomain {
 
 	int (*scale) (struct voltagedomain *voltdm,
 		      unsigned long target_volt);
+	u32 nominal_volt;
 
 	struct omap_vdd_info *vdd;
 };
@@ -148,11 +150,9 @@ struct omap_voltdm_pmic {
  *
  * @volt_data		: voltage table having the distinct voltages supported
  *			  by the domain and other associated per voltage data.
- * @curr_volt		: current voltage for this vdd.
  */
 struct omap_vdd_info {
 	struct omap_volt_data *volt_data;
-	u32 curr_volt;
 };
 
 void omap_voltage_get_volttable(struct voltagedomain *voltdm,