Subject: [PATCH 2/8] power_supply: sysfs: Use power_supply_*() API for accessing function attrs

From: [email-masked] (Pavel Machek)
Date: Wed, 15 Oct 2014 12:32:17 +0200

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 <[email-masked]>

Acked-by: Pavel Machek <[email-masked]>

> @@ -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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