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.