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

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Message-ID: <12736456.GqETC5XQ6s@ubuntu-mate-laptop>
Date:   Mon, 29 Mar 2021 12:41:50 -0400
From:   Julian Braha <julianbraha@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] drivers: pinctrl: qcom: fix Kconfig dependency on GPIOLIB

On Tuesday, March 2, 2021 9:46:04 AM EDT you wrote:
> 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
> 

Hi Linus,

Looks like I confused this patch with another one when 
I responded last time. This config option cannot select 
GPIOLIB, because it will cause a recursive dependency 
error.

Any other ideas?

- Julian Braha