linux-kernel - Re: [PATCH net v2] net: phy: qca807x: fix compilation when CONFIG

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Message-ID: <CAOX2RU6ciO1dTPTxA2E2v3FVH7y=BLM1tR05XN2rj9tKMEvZLw@mail.gmail.com>
Date: Tue, 5 Mar 2024 15:11:33 +0100
From: Robert Marko <robimarko@...il.com>
To: andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk, 
	andersson@...nel.org, konrad.dybcio@...aro.org, davem@...emloft.net, 
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, ansuelsmth@...il.com, 
	netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Cc: kernel test robot <lkp@...el.com>
Subject: Re: [PATCH net v2] net: phy: qca807x: fix compilation when
 CONFIG_GPIOLIB is not set

On Tue, 5 Mar 2024 at 14:59, Robert Marko <robimarko@...il.com> wrote:
>
> Kernel bot has discovered that if CONFIG_GPIOLIB is not set compilation
> will fail.
>
> Upon investigation the issue is that qca807x_gpio() is guarded by a
> preprocessor check but then it is called under
> if (IS_ENABLED(CONFIG_GPIOLIB)) in the probe call so the compiler will
> error out since qca807x_gpio() has not been declared if CONFIG_GPIOLIB has
> not been set.
>
> Fixes: d1cb613efbd3 ("net: phy: qcom: add support for QCA807x PHY Family")
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202403031332.IGAbZzwq-lkp@intel.com/
> Signed-off-by: Robert Marko <robimarko@...il.com>

I will resend this as I sent it targeting net instead of net-next.

Regards,
Robert
> ---
> Changes in v2:
> * Reduce the code indent level
>
>  drivers/net/phy/qcom/qca807x.c | 32 ++++++++++++++++----------------
>  1 file changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/net/phy/qcom/qca807x.c b/drivers/net/phy/qcom/qca807x.c
> index 780c28e2e4aa..672c6929119a 100644
> --- a/drivers/net/phy/qcom/qca807x.c
> +++ b/drivers/net/phy/qcom/qca807x.c
> @@ -732,24 +732,24 @@ static int qca807x_probe(struct phy_device *phydev)
>         priv->dac_disable_bias_current_tweak = of_property_read_bool(node,
>                                                                      "qcom,dac-disable-bias-current-tweak");
>
> -       if (IS_ENABLED(CONFIG_GPIOLIB)) {
> -               /* Make sure we don't have mixed leds node and gpio-controller
> -                * to prevent registering leds and having gpio-controller usage
> -                * conflicting with them.
> -                */
> -               if (of_find_property(node, "leds", NULL) &&
> -                   of_find_property(node, "gpio-controller", NULL)) {
> -                       phydev_err(phydev, "Invalid property detected. LEDs and gpio-controller are mutually exclusive.");
> -                       return -EINVAL;
> -               }
> +#if IS_ENABLED(CONFIG_GPIOLIB)
> +       /* Make sure we don't have mixed leds node and gpio-controller
> +        * to prevent registering leds and having gpio-controller usage
> +        * conflicting with them.
> +        */
> +       if (of_find_property(node, "leds", NULL) &&
> +           of_find_property(node, "gpio-controller", NULL)) {
> +               phydev_err(phydev, "Invalid property detected. LEDs and gpio-controller are mutually exclusive.");
> +               return -EINVAL;
> +       }
>
> -               /* Do not register a GPIO controller unless flagged for it */
> -               if (of_property_read_bool(node, "gpio-controller")) {
> -                       ret = qca807x_gpio(phydev);
> -                       if (ret)
> -                               return ret;
> -               }
> +       /* Do not register a GPIO controller unless flagged for it */
> +       if (of_property_read_bool(node, "gpio-controller")) {
> +               ret = qca807x_gpio(phydev);
> +               if (ret)
> +                       return ret;
>         }
> +#endif
>
>         /* Attach SFP bus on combo port*/
>         if (phy_read(phydev, QCA807X_CHIP_CONFIGURATION)) {
> --
> 2.44.0
>