linux-kernel - Re: [PATCH] pinctrl: ralink: mt76x8: fix pinmux function

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Message-ID: <CAMhs-H-3yM3sLvgtOn1KWPF-Ch52hqZZXbFPe2YP=xgFjZLDug@mail.gmail.com>
Date: Tue, 28 May 2024 16:19:53 +0200
From: Sergio Paracuellos <sergio.paracuellos@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: liweihao <cn.liweihao@...il.com>, arinc.unal@...nc9.com, sean.wang@...nel.org, 
	matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com, 
	linux-mips@...r.kernel.org, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: ralink: mt76x8: fix pinmux function

On Tue, May 28, 2024 at 3:54 PM Linus Walleij <linus.walleij@...aroorg> wrote:
>
> On Mon, May 27, 2024 at 4:21 AM liweihao <cn.liweihao@...il.com> wrote:
>
> > From: Weihao Li <cn.liweihao@...il.com>
> >
> > The current version of the pinctrl driver has some issues:
> >
> > 1. Duplicated "gpio" pmx function
> >
> > The common code will add a "gpio" pmx functon to every pin group, so
> > it's not necessary to define a separate "gpio" pmx function in pin
> > groups.
> >
> > 2. Duplicated pmx function name
> >
> > There are some same function name in different pin groups, which will
> > cause some problems. For example, when we want to use PAD_GPIO0 as
> > refclk output function, the common clk framework code will search the
> > entire pin function lists, then return the first one matched, in this
> > case the matched function list only include the PAD_CO_CLKO pin group
> > because there are three "refclk" pin function, which is added by
> > refclk_grp, spi_cs1_grp and gpio_grp.
> >
> > To solve this problem, a simple way is just add a pingrp refix to
> > function name like mt7620 pinctrl driver does.
> >
> > 3. Useless "-" or "rsvd" functon
> >
> > It's really unnecessary to add a reserved pin mux function to the
> > function lists, because we never use it.
> >
> > Signed-off-by: Weihao Li <cn.liweihao@...il.com>
>
> The patch looks good to me and Sergio: patch applied so
> it gets some testing in linux-next.
>
> If Arinc has issues with it or something else occurs I can
> always drop it again.

Thanks, Linus :)

Best regards,
    Sergio Paracuellos