linux-kernel - Re: [PATCH 5/5] gpio: move gpio_ensure

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Message-ID: <CACRpkdaHRRwUR7RBWengsQu7vuZu4e3APMpX=Z=aUJ9LsBncew@mail.gmail.com>
Date:	Wed, 23 Jul 2014 17:48:11 +0200
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>,
	Alexandre Courbot <gnurou@...il.com>
Subject: Re: [PATCH 5/5] gpio: move gpio_ensure_requested() into legacy C file

On Tue, Jul 22, 2014 at 9:17 AM, Alexandre Courbot <acourbot@...dia.com> wrote:

> gpio_ensure_requested() only makes sense when using the integer-based
> GPIO API, so make sure it is called from there instead of the gpiod
> API which we know cannot be called with a non-requested GPIO anyway.
>
> The uses of gpio_ensure_requested() in the gpiod API were kind of
> out-of-place anyway, so putting them in gpio-legacy.c helps clearing the
> code.
>
> Actually, considering the time this ensure_requested mechanism has been
> around, maybe we should just turn this patch into "remove
> gpio_ensure_requested()" if we know for sure that no user depend on it
> anymore?
>
> Signed-off-by: Alexandre Courbot <acourbot@...dia.com>

Patch applied.

Make a separate patch on top to delete this thing since there
are ZERO in-kernel users. The only place it's used in a comment
in arch/arm/mach-ep93xx/vision_ep9307.c ....

Yours,
Linus Walleij
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