linux-kernel - Re: [PATCH] drm/msm/dp: include linux/io.h

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Message-ID: <aFVk6+4pIMQs2imz@linaro.org>
Date: Fri, 20 Jun 2025 16:40:59 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Rob Clark <robin.clark@....qualcomm.com>,
	Dmitry Baryshkov <lumag@...nel.org>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Stephen Boyd <swboyd@...omium.org>, Arnd Bergmann <arnd@...db.de>,
	Abhinav Kumar <abhinav.kumar@...ux.dev>,
	Jessica Zhang <jessica.zhang@....qualcomm.com>,
	Sean Paul <sean@...rly.run>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	Jani Nikula <jani.nikula@...el.com>,
	Aleksandrs Vinarskis <alex.vinarskis@...il.com>,
	linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm/dp: include linux/io.h

On 25-06-20 14:47:43, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The driver started using readl/writel, which are defined in linux/io.h,
> so this needs to be included here:
> 
> drivers/gpu/drm/msm/dp/dp_panel.c:33:9: error: call to undeclared function 'readl_relaxed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
>    33 |         return readl_relaxed(panel->link_base + offset);
> 
> Fixes: 9d47325ee063 ("drm/msm/dp: drop the msm_dp_catalog module")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Reviewed-by: Abel Vesa <abel.vesa@...aro.org>