Re: [RFC PATCH] pinctrl: pinctrl-single.c: init pinctrl single at arch_initcall time

[He YunLei]

On 2014/10/9 2:10, Tony Lindgren wrote:
> * He YunLei <heyunlei@xxxxxxxxxx> [141007 18:43]:
> > Thanks for your review and I am really appreciated it, but in our arm
> > platform, we haven't custom initcall levels for other drivers. Although
> > deferred probe helps other drivers to register well, we are also confused
> > for the issues of lots of pin request errors debug output while booting the
> > kernel. Besides, if the number is bigger than the limited number, whether
> > deferred probe can solve this problem.
>
> OK. Care to provide some examples where this happens on your
> platform?
>
> Note that we already have pinctrl very early in drivers/Makefile.
> What are the early users for pinctrl-single in your setup?
>
> Regards,
>
> Tony
>
> .
In our platform we use subsys_initcall in I2C, and fs_initcall in PMIC, 
Both of them are early than pinctrl-single. Although they register well
with the aid of deferred probe, it's really confused us that pins 
request deferred. Why can't we setup pinctrl-single earlier to reduce 
these messages.

Regards

YunLei

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