linux-kernel - Re: [PATCH] pinctrl: msm: Add check for pinctrl group is valid

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Message-ID: <20200602122600.GA10584@codeaurora.org>
Date:   Tue, 2 Jun 2020 17:56:00 +0530
From:   Mayank Grover <groverm@...eaurora.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Neeraj Upadhyay <neeraju@...eaurora.org>
Subject: Re: [PATCH] pinctrl: msm: Add check for pinctrl group is valid

On Mon, May 25, 2020 at 11:02:14AM +0200, Linus Walleij wrote:
> On Tue, May 19, 2020 at 3:39 AM Bjorn Andersson
> <bjorn.andersson@...aro.org> wrote:
> 
> > @Linus, we started off with something similar for GPIOs and ended up
> > with the logic in the core code. Should we somehow try to do the same
> > for pinctrl?
> 
> msm_pingroup_is_valid() looks very reusable but I'm afraid I do not
> understand the implicit assumptions around it, but I guess yes,
> if it can be properly documented etc.
> 
> Yours,
> Linus Walleij

Hi Bjorn,

Can you please help guide further on this ?
we can validate group using request calls similar to pinmux_ops here.

-Mayank