Messages in this thread |  | | From | Dmitry Osipenko <> | Subject | Re: [PATCH v1 1/2] pinctrl: tegra: Move drivers registration to arch_init level | Date | Thu, 02 Aug 2018 16:01:24 +0300 |
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On Thursday, 2 August 2018 14:11:43 MSK Dmitry Osipenko 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
I meant "before its users", of course. If the rest of the patches is fine, please let me know if re-sending is needed or you'll correct the comment in place while applying.
> 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>
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