Re: [PATCH v2 03/38] backlight/gpio_backlight: Compare against struct fb_info.device

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On Mon, Jun 12, 2023 at 04:07:41PM +0200, Thomas Zimmermann wrote:
> Struct gpio_backlight_platform_data refers to a platform device within
> the Linux device hierarchy. The test in gpio_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)
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Fixes: 8b770e3c9824 ("backlight: Add GPIO-based backlight driver")
> Cc: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> Cc: Rich Felker <dalias@xxxxxxxx>
> Cc: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx>
> Cc: Lee Jones <lee@xxxxxxxxxx>
> Cc: Daniel Thompson <daniel.thompson@xxxxxxxxxx>
> Cc: Jingoo Han <jingoohan1@xxxxxxxxx>
> Cc: linux-sh@xxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: <stable@xxxxxxxxxxxxxxx> # v3.12+

Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>


Daniel.



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