Re: [RFC] gpio: remove gpio_descs global array

From: Linus Walleij
Date: Tue Nov 11 2014 - 05:31:42 EST


On Tue, Nov 4, 2014 at 10:10 AM, Alexandre Courbot <gnurou@xxxxxxxxx> wrote:
> On Mon, Nov 3, 2014 at 11:11 PM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
>> On Sat, Nov 1, 2014 at 8:03 AM, Alexandre Courbot <acourbot@xxxxxxxxxx> wrote:
>>
>>> The issue with this patch is its use of kzalloc() in gpiochip_add(), a
>>> function potentially called during early boot, before kzalloc() becomes
>>> usable. Hence its [RFC] status until we can find a solution for this or
>>> agree that this issue is actually never ran into (from which point can
>>> one use kzalloc()?)
>>
>> So which driver requires that the gpiochip be statically defined...
>> I heard about early call but not *that* early.
>
> Let me know if you feel adventurous - in that case I will submit a
> proper version of this patch to put in -next, and we'll see if people
> complain... :)

ÐÐÑ ÑÑÐÑÑ â ÑÐÐÐÐ ÐÐÑÑÑ as the russians say.

Let us have the patch.

Yours,
Linus Walleij
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