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Groups > linux.kernel > #1492236
| From | Viresh Kumar <viresh.kumar@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] pinctrl: freescale: avoid overwriting pin config when freeing GPIO |
| Date | 2016-09-28 04:10 +0200 |
| Message-ID | <smctP-CI-7@gated-at.bofh.it> (permalink) |
| References | <slOrv-2mC-9@gated-at.bofh.it> <slZwB-YB-9@gated-at.bofh.it> <sm3JU-3si-15@gated-at.bofh.it> <sm58Z-4tU-9@gated-at.bofh.it> <sm6y5-5bY-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 27-09-16, 12:34, Stefan Agner wrote:
> Added Viresh Kumar to the discussion, he implemented the I2C recovery
> functions.
>
> Yes, reordering the pinctrl/gpio_free calls would fix the problem too.
>
> However, I guess there is no explicit rule to that ("request/free GPIOs
> only when they are muxed as GPIO"), so I think of it that the issue is
> actually in the pinctrl driver.
>
> On top of that it is not entirely trivial to reorder the calls the way
> i2c_generic_gpio_recovery and i2c_generic_recovery are set up right now.
AFAICT, these routines don't touch the muxing part at all. Perhaps it is done
internally by the GPIO calls. Can you please elaborate the exact change you are
hinting towards here ?
--
viresh
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[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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