linux-kernel - Re: [PATCH v1] drivers: pinctrl: qcom: fix Kconfig dependency on GPIOLIB

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Date:   Tue, 2 Mar 2021 15:46:04 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Julian Braha <julianbraha@...il.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        MSM <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v1] drivers: pinctrl: qcom: fix Kconfig dependency on GPIOLIB

On Thu, Feb 25, 2021 at 9:33 AM Julian Braha <julianbraha@...il.com> wrote:

> When PINCTRL_MSM is enabled, and GPIOLIB is disabled,
> Kbuild gives the following warning:
>
> WARNING: unmet direct dependencies detected for GPIOLIB_IRQCHIP
>   Depends on [n]: GPIOLIB [=n]
>   Selected by [y]:
>   - PINCTRL_MSM [=y] && PINCTRL [=y] && (ARCH_QCOM || COMPILE_TEST [=y])
>
> This is because PINCTRL_MSM selects GPIOLIB_IRQCHIP,
> without selecting or depending on GPIOLIB, despite
> GPIOLIB_IRQCHIP depending on GPIOLIB. Having PINCTRL_MSM
> select GPIOLIB will cause a recursive dependency error.
>
> Signed-off-by: Julian Braha <julianbraha@...il.com>

Does it work to just:

select GPIOLIB

instead?

The driver needs the library so...

Yours,
Linus Walleij