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

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Message-ID: <CACRpkdaaXxXCm9===0zaKW5QJsHFBznnERdFrcbtKLQhxygzhA@mail.gmail.com>
Date:	Mon, 3 Nov 2014 15:11:28 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Alexandre Courbot <acourbot@...dia.com>
Cc:	"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 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.

Yours,
Linus Walleij
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