linux-kernel - Re: [PATCH v3 01/38] backlight/bd6107: Compare against struct fb

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Date:   Wed, 14 Jun 2023 16:13:11 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Lee Jones <lee@...nel.org>
Cc:     daniel@...ll.ch, javierm@...hat.com, sam@...nborg.org,
        deller@....de, geert+renesas@...der.be, daniel.thompson@...aro.org,
        jingoohan1@...il.com, dan.carpenter@...aro.org,
        michael.j.ruhl@...el.com, linux-fbdev@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-sh@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH v3 01/38] backlight/bd6107: Compare against struct
 fb_info.device

Hi

Am 14.06.23 um 15:51 schrieb Lee Jones:
> On Tue, 13 Jun 2023, Thomas Zimmermann wrote:
> 
>> Struct bd6107_platform_data refers to a platform device within
>> the Linux device hierarchy. The test in bd6107_backlight_check_fb()
>> compares it against the fbdev device in struct fb_info.dev, which
>> is different. Fix the test by comparing to struct fb_info.device.
>>
>> Fixes a bug in the backlight driver and prepares fbdev for making
>> struct fb_info.dev optional.
>>
>> v2:
>> 	* move renames into separate patch (Javier, Sam, Michael)
>>
>> Fixes: 67b43e590415 ("backlight: Add ROHM BD6107 backlight driver")
>> Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
>> Cc: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
>> Cc: Lee Jones <lee@...nel.org>
>> Cc: Daniel Thompson <daniel.thompson@...aro.org>
>> Cc: Jingoo Han <jingoohan1@...il.com>
>> Cc: dri-devel@...ts.freedesktop.org
>> Cc: <stable@...r.kernel.org> # v3.12+
>> Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>
>> Reviewed-by: Sam Ravnborg <sam@...nborg.org>
>> Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>
>> ---
>>   drivers/video/backlight/bd6107.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Can the Backlight patches be applied without the others and visa versa?

Unfortunately not. The rest of the series requires the backlight patches.

Best regards
Thomas

> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)

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