[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
-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html



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