linux-kernel - Re: [RFC] gpio: remove gpio

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Date:	Tue, 4 Nov 2014 18:10:16 +0900
From:	Alexandre Courbot <gnurou@...il.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Alexandre Courbot <acourbot@...dia.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] gpio: remove gpio_descs global array

On Mon, Nov 3, 2014 at 11:11 PM, Linus Walleij <linus.walleij@...aro.org> wrote:
> On Sat, Nov 1, 2014 at 8:03 AM, Alexandre Courbot <acourbot@...dia.com> 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... :)
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