pm2301-charger: Support for over voltage protection on the ab9540

Added support for main charger over voltage protection.

Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Tested-by: Michel JAOUEN <michel.jaouen@stericsson.com>
diff --git a/drivers/power/pm2301_charger.h b/drivers/power/pm2301_charger.h
index e6319cd..fad1f38 100644
--- a/drivers/power/pm2301_charger.h
+++ b/drivers/power/pm2301_charger.h
@@ -506,6 +506,7 @@
 	struct delayed_work check_vbat_work;
 	struct work_struct ac_work;
 	struct work_struct check_main_thermal_prot_work;
+	struct delayed_work check_hw_failure_work;
 	struct ux500_charger ac_chg;
 	struct pm2xxx_charger_event_flags flags;
 };