linux-kernel - Re: [PATCH] pinctrl: renesas: rzn1: enable PINMUX

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Message-ID: <20231005002420.7d03bbd8@xps-13>
Date:   Thu, 5 Oct 2023 00:24:20 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Ralph Siemsen <ralph.siemsen@...aro.org>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-renesas-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: renesas: rzn1: enable PINMUX

Hi Ralph,

ralph.siemsen@...aro.org wrote on Wed,  4 Oct 2023 16:00:08 -0400:

> Enable pin muxing (eg. programmable function), so that the RZN1 GPIO
> pins will be configured as specified by the pinmux in the DTS.
> 
> This used to be enabled implicitly via CONFIG_GENERIC_PINMUX_FUNCTIONS,
> however that was removed in 308fb4e4eae14e6189dece3b7cf5b5f453c5d02
> since the rzn1 driver does not call any of the generic pinmux functions.
> 
> Signed-off-by: Ralph Siemsen <ralph.siemsen@...aro.org>

You probably need to point at this commit with a Fixes and possibly Cc
this to stable. Also you should use proper formatting for the commit
(12 digits sha then the text inside ("...")).

With this added:

Reviewed-by: Miquel Raynal <miquel.raynal@...tlin.com>

> ---
>  drivers/pinctrl/renesas/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pinctrl/renesas/Kconfig b/drivers/pinctrl/renesas/Kconfig
> index 77730dc548ed..0ad8e14ccc52 100644
> --- a/drivers/pinctrl/renesas/Kconfig
> +++ b/drivers/pinctrl/renesas/Kconfig
> @@ -234,6 +234,7 @@ config PINCTRL_RZN1
>  	bool "pin control support for RZ/N1"
>  	depends on OF
>  	depends on ARCH_RZN1 || COMPILE_TEST
> +	select PINMUX
>  	select GENERIC_PINCONF
>  	help
>  	  This selects pinctrl driver for Renesas RZ/N1 devices.


Thanks,
Miquèl