charger-manager: Use replacement variable to check state of battery

This patch remove unnecessary variable(cm->fullbatt_vchk_uV) by using
'desc->fullbatt_uV' field directly in fullbatt_handler() function
to check the state of battery.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

drivers/power/charger-manager.c

@@ -415,7 +415,7 @@ static void fullbatt_vchk(struct work_struct *work)
 		return;
 	}
 
-	diff = cm->fullbatt_vchk_uV;
+	diff = desc->fullbatt_uV;
 	diff -= batt_uV;
 
 	dev_dbg(cm->dev, "VBATT dropped %duV after full-batt.\n", diff);

include/linux/power/charger-manager.h

@@ -194,8 +194,6 @@ struct charger_desc {
  * @charger_enabled: the state of charger
  * @fullbatt_vchk_jiffies_at:
  *	jiffies at the time full battery check will occur.
- * @fullbatt_vchk_uV: voltage in microvolt
- *	criteria for full battery
  * @fullbatt_vchk_work: work queue for full battery check
  * @emergency_stop:
  *	When setting true, stop charging
@@ -218,7 +216,6 @@ struct charger_manager {
 	bool charger_enabled;
 
 	unsigned long fullbatt_vchk_jiffies_at;
-	unsigned int fullbatt_vchk_uV;
 	struct delayed_work fullbatt_vchk_work;
 
 	int emergency_stop;