linux-kernel - Re: [PATCH 2/3] gpio: davinci: restore a way to manually specify the GPIO base

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Date:   Mon, 19 Nov 2018 15:20:07 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Sekhar Nori <nsekhar@...com>
Cc:     Kevin Hilman <khilman@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Keerthy <j-keerthy@...com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH 2/3] gpio: davinci: restore a way to manually specify the
 GPIO base

pon., 19 lis 2018 o 14:19 Linus Walleij <linus.walleij@...aro.org> napisał(a):
>
> On Tue, Nov 13, 2018 at 2:51 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> > From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> >
> > Commit 587f7a694f01 ("gpio: davinci: Use dev name for label and
> > automatic base selection") broke the network support in legacy boot
> > mode for da850-evm since we can no longer request the MDIO clock GPIO.
> >
> > Other boards may be broken too, which I haven't tested.
> >
> > The problem is in the fact that most board files still use the legacy
> > GPIO API where lines are requested by numbers rather than descriptors.
> >
> > While this should be fixed eventually, in order to unbreak the board
> > for now - provide a way to manually specify the GPIO base in platform
> > data.
> >
> > Fixes: 587f7a694f01 ("gpio: davinci: Use dev name for label and automatic base selection")
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
>
> I guess this will be merged throug ARM SoC?
>

Yes, if Sekhar's fine with that.

Bart