Messages in this thread | | | From | Linus Walleij <> | Date | Fri, 3 Aug 2018 19:18:43 +0200 | Subject | Re: [PATCH v1 1/2] pinctrl: tegra: Move drivers registration to arch_init level |
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On Thu, Aug 2, 2018 at 1:12 PM Dmitry Osipenko <digetx@gmail.com> wrote:
> There is a bug in regards to deferred probing within the drivers core > that causes GPIO-driver to suspend after its users. The bug appears if > GPIO-driver probe is getting deferred, which happens after introducing > dependency on PINCTRL-driver for the GPIO-driver by defining "gpio-ranges" > property in device-tree. The bug in the drivers core is old (more than 4 > years now) and is well known, unfortunately there is no easy fix for it. > The good news is that we can workaround the deferred probe issue by > changing GPIO / PINCTRL drivers registration order and hence by moving > PINCTRL driver registration to the arch_init level and GPIO to the > subsys_init. > > Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Patch applied with Stefan's ACK.
Yours, Linus Walleij
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