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Date:   Wed, 29 Sep 2021 09:02:17 -0700
From:   Matthias Kaehlcke <mka@chromium.org>
To:     Geert Uytterhoeven <geert+renesas@glider.be>
Cc:     Sebastian Reichel <sre@kernel.org>, linux-pm@vger.kernel.org,
        linux-kernel@vger.kernel.org, Tom Rix <trix@redhat.com>,
        SeongJae Park <sj@kernel.org>
Subject: Re: [PATCH] power: supply: core: Move psy_has_property() to fix build
Message-ID: <YVSOCZZiSjMX5Ul7@google.com>
References: <7b35a74f2c2ad19c8dc1ca60c59e48a14288677f.1632830348.git.geert+renesas@glider.be>
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On Tue, Sep 28, 2021 at 02:00:19PM +0200, Geert Uytterhoeven wrote:
> If CONFIG_THERMAL=n:
> 
>     drivers/power/supply/power_supply_core.c: In function ‘__power_supply_register’:
>     drivers/power/supply/power_supply_core.c:1137:6: error: implicit declaration of function ‘psy_has_property’ [-Werror=implicit-function-declaration]
>      1137 |  if (psy_has_property(desc, POWER_SUPPLY_PROP_USB_TYPE) &&
> 	  |      ^~~~~~~~~~~~~~~~
> 
> Fix this by moving psy_has_property() outside the section protected by
> CONFIG_THERMAL.
> 
> Fixes: 9ba533eb99bb2acf ("power: supply: core: Add psy_has_property()")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
>  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 75575ea45f21ddc7..fc12a4f407f431a6 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;

Thanks for the fix!

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>