mfd: ab8500: Use power_supply_*() API for accessing function attrs

Replace direct calls to power supply function attributes with wrappers.
Wrappers provide safe access in case of unregistering the power
supply (e.g. by removing the driver). Replace:
 - get_property -> power_supply_get_property

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index cfff0b643f1b7352d439f5a1310d3829afd7341e..d4a4b24be7c6620b73a0efb82f862e9875d0ab13 100644 (file)
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -49,7 +49,8 @@ static void ab8500_power_off(void)
                if (!psy)
                        continue;
 
-               ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val);
+               ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_ONLINE,
+                               &val);
 
                if (!ret && val.intval) {
                        charger_present = true;
@@ -63,8 +64,8 @@ static void ab8500_power_off(void)
        /* Check if battery is known */
        psy = power_supply_get_by_name("ab8500_btemp");
        if (psy) {
-               ret = psy->get_property(psy, POWER_SUPPLY_PROP_TECHNOLOGY,
-                                       &val);
+               ret = power_supply_get_property(psy,
+                               POWER_SUPPLY_PROP_TECHNOLOGY, &val);
                if (!ret && val.intval != POWER_SUPPLY_TECHNOLOGY_UNKNOWN) {
                        printk(KERN_INFO
                               "Charger \"%s\" is connected with known battery."