arm: mach-pxa: Decrement the power supply's device reference counter

Use power_supply_put() to decrement the power supply's device reference
counter.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

arch/arm/mach-pxa/raumfeld.c

@@ -758,8 +758,10 @@ static void raumfeld_power_signal_charged(void)
 	struct power_supply *psy =
 		power_supply_get_by_name(raumfeld_power_supplicants[0]);
 
-	if (psy)
+	if (psy) {
 		power_supply_set_battery_charged(psy);
+		power_supply_put(psy);
+	}
 }
 
 static int raumfeld_power_resume(void)