linux-kernel - Re: [PATCH] ARM: pxa: mark ezx structures as __maybe

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Message-ID: <8737vbl595.fsf@belgarion.home>
Date:	Wed, 09 Dec 2015 21:46:30 +0100
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>
Subject: Re: [PATCH] ARM: pxa: mark ezx structures as __maybe_unused

Arnd Bergmann <arnd@...db.de> writes:

> The ezx platform contains multiple machine descriptors, but not all
> of them use all of the data structures, and it's possible to disable
> all of the machines, which produces some harmless warnings:
>
> mach-pxa/ezx.c:53:26: warning: 'ezx_pwm_lookup' defined but not used [-Wunused-variable]
> mach-pxa/ezx.c:86:31: warning: 'ezx_fb_info_1' defined but not used [-Wunused-variable]
> mach-pxa/ezx.c:107:31: warning: 'ezx_fb_info_2' defined but not used [-Wunused-variable]
> mach-pxa/ezx.c:113:32: warning: 'ezx_devices' defined but not used [-Wunused-variable]
> mach-pxa/ezx.c:117:22: warning: 'ezx_pin_config' defined but not used [-Wunused-variable]
>
> This marks all those structures as __maybe_unused to avoid the warnings.
> Obviously a configuration that contains the ezx platform but no specific
> model is a bit silly, but it should not cause compile-time warnings.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
Acked-by: Robert Jarzmik <robert.jarzmik@...e.fr>

I think you'll take that through your tree, as I'm passing the v4.5 pull. If you
want me to take them, just tell me, but I think v4.5 is already prepared on your
side as I've seen a mail from Boris talking about pxa patches going through mtd
tree for v4.5.

Cheers.

--
Robert
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