linux-kernel - Re: [PATCH net-next v2 1/1] net: stmmac: use GPIO descriptors in stmmac_mdio

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Message-ID: <CAFBinCAimhth8fDcBZ3vNdy_9dGmHZVAAK0=TUczWWC4Dsa-pA@mail.gmail.com>
Date:   Sat, 15 Jun 2019 11:11:35 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     netdev <netdev@...r.kernel.org>,
        Giuseppe CAVALLARO <peppe.cavallaro@...com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>
Subject: Re: [PATCH net-next v2 1/1] net: stmmac: use GPIO descriptors in stmmac_mdio_reset

Hi Linus,

On Sat, Jun 15, 2019 at 11:08 AM Linus Walleij <linus.walleij@...aro.org> wrote:
>
> Hi Martin!
>
> Thanks for fixing this up!
you're welcome
I think I finally understand why you want to switch everything over to
GPIO descriptors

> A hint for a follow-up:
>
> On Wed, Jun 12, 2019 at 9:31 PM Martin Blumenstingl
> <martin.blumenstingl@...glemail.com> wrote:
>
> > diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
> > index 4335bd771ce5..816edb545592 100644
> > --- a/include/linux/stmmac.h
> > +++ b/include/linux/stmmac.h
> > @@ -97,7 +97,7 @@ struct stmmac_mdio_bus_data {
> >         int *irqs;
> >         int probed_phy_irq;
> >  #ifdef CONFIG_OF
> > -       int reset_gpio, active_low;
> > +       int reset_gpio;
>
> Nothing in the kernel seems to be using this reset_gpio either.
>
> I think it can be deleted with associated code, any new users
> should use machine descriptors if they insist on board files.
good catch, thank you - I'll put that in my cleanup series that I want
to send anyways


Martin