linux-kernel - Re: [PATCH] pinctrl: qcom: fix GPIOLIB dependencies

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Date:   Fri, 23 Jul 2021 11:51:27 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Julian Braha <julianbraha@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: qcom: fix GPIOLIB dependencies

On Fri, Jul 23, 2021 at 11:14 AM Arnd Bergmann <arnd@...nel.org> wrote:

> From: Arnd Bergmann <arnd@...db.de>
>
> Enabling the PINCTRL_SM8350 symbol without GPIOLIB or SCM causes a build
> failure:
>
> WARNING: unmet direct dependencies detected for PINCTRL_MSM
>   Depends on [m]: PINCTRL [=y] && (ARCH_QCOM [=y] || COMPILE_TEST [=y]) && GPIOLIB [=y] && (QCOM_SCM [=m] || !QCOM_SCM [=m])
>   Selected by [y]:
>   - PINCTRL_SM8350 [=y] && PINCTRL [=y] && (ARCH_QCOM [=y] || COMPILE_TEST [=y]) && GPIOLIB [=y] && OF [=y]
> aarch64-linux-ld: drivers/pinctrl/qcom/pinctrl-msm.o: in function `msm_gpio_irq_set_type':
> pinctrl-msm.c:(.text.msm_gpio_irq_set_type+0x1c8): undefined reference to `qcom_scm_io_readl'
>
> The main problem here is the 'select PINCTRL_MSM', which needs to be a
> 'depends on' as it is for all the other front-ends. As the GPIOLIB
> dependency is now implied by that, symbol, remove the duplicate
> dependencies in the process.
>
> Fixes: d5d348a3271f ("pinctrl: qcom: Add SM8350 pinctrl driver")
> Fixes: 376f9e34c10f ("drivers: pinctrl: qcom: fix Kconfig dependency on GPIOLIB")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Nice catch!

Applied for fixes.

Yours,
Linus Walleij