linux-kernel - Re: [PATCH 08/26] drm: atmel-hlcdc: Remove #ifdef guards for PM related functions

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Message-ID: <Y2lGFZi+VHZCRvGN@ravnborg.org>
Date:   Mon, 7 Nov 2022 18:53:25 +0100
From:   Sam Ravnborg <sam@...nborg.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Boris Brezillon <bbrezillon@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 08/26] drm: atmel-hlcdc: Remove #ifdef guards for PM
 related functions

On Mon, Nov 07, 2022 at 05:50:48PM +0000, Paul Cercueil wrote:
> Use the DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros to handle
> the .suspend/.resume callbacks.
> 
> These macros allow the suspend and resume functions to be automatically
> dropped by the compiler when CONFIG_SUSPEND is disabled, without having
> to use #ifdef guards.
> 
> This has the advantage of always compiling these functions in,
> independently of any Kconfig option. Thanks to that, bugs and other
> regressions are subsequently easier to catch.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
> Cc: Sam Ravnborg <sam@...nborg.org>
> Cc: Boris Brezillon <bbrezillon@...nel.org>
> Cc: Nicolas Ferre <nicolas.ferre@...rochip.com>
> Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Cc: Claudiu Beznea <claudiu.beznea@...rochip.com>
> Cc: linux-arm-kernel@...ts.infradead.org
Acked-by: Sam Ravnborg <sam@...nborg.org>

Thanks for taking care of this.

	Sam