linux-kernel - Re: [PATCH v7 1/2] staging: fbtft: Fix build failure when CONFIG_FB

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Message-ID: <aW3f0L_B_UIbaNj_@smile.fi.intel.com>
Date: Mon, 19 Jan 2026 09:40:00 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Chintan Patel <chintanlike@...il.com>
Cc: linux-fbdev@...r.kernel.org, linux-staging@...ts.linux.dev,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, tzimmermann@...e.de,
	andy@...nel.org, deller@....de, gregkh@...uxfoundation.org,
	kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v7 1/2] staging: fbtft: Fix build failure when
 CONFIG_FB_DEVICE=n

On Fri, Jan 16, 2026 at 08:29:30PM -0800, Chintan Patel wrote:
> When CONFIG_FB_DEVICE is disabled, struct fb_info does
> not provide a valid dev pointer. Direct dereferences of
> fb_info->dev therefore result in build failures.
> 
> Fix this by avoiding direct accesses to fb_info->dev and
> switching the affected debug logging to framebuffer helpers
> that do not rely on a device pointer.
> 
> This fixes the following build failure reported by the
> kernel test robot.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@...el.com>

-- 
With Best Regards,
Andy Shevchenko