[PATCH 2/8] power_supply: sysfs: Use power_supply_*() API for accessing function attrs
Pavel Machek
pavel at ucw.cz
Wed Oct 15 03:32:17 PDT 2014
On Tue 2014-10-14 14:20:40, Krzysztof Kozlowski wrote:
> Replace direct calls to power supply function attributes with wrappers.
> Wrappers provide safe access access in case of unregistering the power
> supply (.e.g by removing the driver). Replace:
> - get_property -> power_supply_get_property
> - set_property -> power_supply_set_property
> - property_is_writeable -> power_supply_property_is_writeable
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
Acked-by: Pavel Machek <pavel at ucw.cz>
> @@ -76,7 +76,7 @@ static ssize_t power_supply_show_property(struct device *dev,
> if (off == POWER_SUPPLY_PROP_TYPE) {
> value.intval = psy->type;
> } else {
> - ret = psy->get_property(psy, off, &value);
> + ret = power_supply_get_property(psy, off, &value);
>
One thing.. Your power_supply_get_property (and friends) check for psy
== NULL. Is it neccessary / good idea? As far as I can tell, it should
not really be NULL...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
More information about the linux-arm-kernel
mailing list