Re: [PATCH] power: supply: core: move psy_has_property()

From: Matthias Kaehlcke
Date: Wed Sep 29 2021 - 12:09:53 EST


Hi Tom,

thanks for the fix!

Geert sent a similar patch earlier:

https://patchwork.kernel.org/project/linux-pm/patch/7b35a74f2c2ad19c8dc1ca60c59e48a14288677f.1632830348.git.geert+renesas@xxxxxxxxx/

On Tue, Sep 28, 2021 at 07:40:46AM -0700, trix@xxxxxxxxxx wrote:
> From: Tom Rix <trix@xxxxxxxxxx>
>
> A ranconfig produces this error
> power_supply_core.c:1137:6: error: implicit declaration
> of function 'psy_has_property'
> 1137 | if (psy_has_property(desc, POWER_SUPPLY_PROP_USB_TYPE) &&
>
> psy_has_property() compiling is conditional on THERMAL. It is used
> in __power_supply_register() to check a non thermal property.
> So move psy_has_property() out of the THERMAL conditional.
>
> Fixes: 9ba533eb99bb ("power: supply: core: Add psy_has_property()")
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> ---
> drivers/power/supply/power_supply_core.c | 32 ++++++++++++------------
> 1 file changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
> index 75575ea45f21dd..fc12a4f407f431 100644
> --- a/drivers/power/supply/power_supply_core.c
> +++ b/drivers/power/supply/power_supply_core.c
> @@ -951,6 +951,22 @@ void power_supply_unreg_notifier(struct notifier_block *nb)
> }
> EXPORT_SYMBOL_GPL(power_supply_unreg_notifier);
>
> +static bool psy_has_property(const struct power_supply_desc *psy_desc,
> + enum power_supply_property psp)
> +{
> + bool found = false;
> + int i;
> +
> + for (i = 0; i < psy_desc->num_properties; i++) {
> + if (psy_desc->properties[i] == psp) {
> + found = true;
> + break;
> + }
> + }
> +
> + return found;
> +}
> +
> #ifdef CONFIG_THERMAL
> static int power_supply_read_temp(struct thermal_zone_device *tzd,
> int *temp)
> @@ -975,22 +991,6 @@ static struct thermal_zone_device_ops psy_tzd_ops = {
> .get_temp = power_supply_read_temp,
> };
>
> -static bool psy_has_property(const struct power_supply_desc *psy_desc,
> - enum power_supply_property psp)
> -{
> - bool found = false;
> - int i;
> -
> - for (i = 0; i < psy_desc->num_properties; i++) {
> - if (psy_desc->properties[i] == psp) {
> - found = true;
> - break;
> - }
> - }
> -
> - return found;
> -}
> -
> static int psy_register_thermal(struct power_supply *psy)
> {
> int ret;
> --
> 2.26.3
>