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Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when freeing GPIO

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when freeing GPIO
Date 2016-09-30 04:20 +0200
Message-ID <smVAB-49a-1@gated-at.bofh.it> (permalink)
References (4 earlier) <sm6y5-5bY-7@gated-at.bofh.it> <smctP-CI-7@gated-at.bofh.it> <sme2C-1zP-3@gated-at.bofh.it> <smevD-1YL-1@gated-at.bofh.it> <smMxl-6vr-61@gated-at.bofh.it>
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On 29-09-16, 09:33, Stefan Agner wrote:
> You need to differentiate between Vybrid and i.MX:
> 
> Vybrid muxes a pin to GPIO on gpio_request_one (via .gpio_request_enable
> callback)
> i.MX does not mux a pin as GPIO on its own, but needs to be muxed
> explicitly. That has been always the case...
> 
> I don't know what behavior is right, it is just "different"...

Hmm, I think What Vybrid and Tegra have done is better, but it would be better
to get inputs from Linus, which you already asked for :)

-- 
viresh

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Thread

[PATCH] pinctrl: freescale: avoid overwriting pin config when freeing GPIO Stefan Agner <stefan@agner.ch> - 2016-09-27 02:30 +0200
  Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> - 2016-09-27 14:20 +0200
    Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Stefan Agner <stefan@agner.ch> - 2016-09-27 18:50 +0200
      Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> - 2016-09-27 20:20 +0200
        Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Stefan Agner <stefan@agner.ch> - 2016-09-27 21:50 +0200
          Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> - 2016-09-27 22:30 +0200
          Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Viresh Kumar <viresh.kumar@linaro.org> - 2016-09-28 04:10 +0200
            Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Stefan Agner <stefan@agner.ch> - 2016-09-28 05:50 +0200
              Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Viresh Kumar <viresh.kumar@linaro.org> - 2016-09-28 06:20 +0200
                Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Stefan Agner <stefan@agner.ch> - 2016-09-29 18:40 +0200
                Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Viresh Kumar <viresh.kumar@linaro.org> - 2016-09-30 04:20 +0200
                Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Linus Walleij <linus.walleij@linaro.org> - 2016-10-10 10:40 +0200
              Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> - 2016-09-28 14:10 +0200
                Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Viresh Kumar <viresh.kumar@linaro.org> - 2016-09-29 08:50 +0200
                Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> - 2016-09-29 14:20 +0200
                Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Viresh Kumar <viresh.kumar@linaro.org> - 2016-09-30 04:30 +0200
  Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when  freeing GPIO Linus Walleij <linus.walleij@linaro.org> - 2016-10-10 10:50 +0200

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