>-----Original Message----- >From: dri-devel <dri-devel-boun...@lists.freedesktop.org> On Behalf Of >Thomas Zimmermann >Sent: Monday, June 5, 2023 10:48 AM >To: dan...@ffwll.ch; javi...@redhat.com; s...@ravnborg.org; >del...@gmx.de; geert+rene...@glider.be; l...@kernel.org; >daniel.thomp...@linaro.org; jingooh...@gmail.com >Cc: linux-fb...@vger.kernel.org; Rich Felker <dal...@libc.org>; linux- >s...@vger.kernel.org; linux-stag...@lists.linux.dev; dri- >de...@lists.freedesktop.org; Thomas Zimmermann ><tzimmerm...@suse.de>; John Paul Adrian Glaubitz <glaub...@physik.fu- >berlin.de>; linux-o...@vger.kernel.org >Subject: [PATCH 02/30] backlight/gpio_backlight: Compare against struct >fb_info.device > >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.
I only see a rename from fbdev to dev... Is there missing code? Would a fixes: be useful? M >Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de> >Cc: Rich Felker <dal...@libc.org> >Cc: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de> >Cc: Lee Jones <l...@kernel.org> >Cc: Daniel Thompson <daniel.thomp...@linaro.org> >Cc: Jingoo Han <jingooh...@gmail.com> >Cc: linux...@vger.kernel.org >--- > arch/sh/boards/mach-ecovec24/setup.c | 2 +- > drivers/video/backlight/gpio_backlight.c | 6 +++--- > include/linux/platform_data/gpio_backlight.h | 2 +- > 3 files changed, 5 insertions(+), 5 deletions(-) > >diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach- >ecovec24/setup.c >index 674da7ebd8b7..310513646c9b 100644 >--- a/arch/sh/boards/mach-ecovec24/setup.c >+++ b/arch/sh/boards/mach-ecovec24/setup.c >@@ -386,7 +386,7 @@ static struct property_entry gpio_backlight_props[] = { > }; > > static struct gpio_backlight_platform_data gpio_backlight_data = { >- .fbdev = &lcdc_device.dev, >+ .dev = &lcdc_device.dev, > }; > > static const struct platform_device_info gpio_backlight_device_info = { >diff --git a/drivers/video/backlight/gpio_backlight.c >b/drivers/video/backlight/gpio_backlight.c >index 6f78d928f054..d3bea42407f1 100644 >--- a/drivers/video/backlight/gpio_backlight.c >+++ b/drivers/video/backlight/gpio_backlight.c >@@ -17,7 +17,7 @@ > #include <linux/slab.h> > > struct gpio_backlight { >- struct device *fbdev; >+ struct device *dev; > struct gpio_desc *gpiod; > }; > >@@ -35,7 +35,7 @@ static int gpio_backlight_check_fb(struct >backlight_device *bl, > { > struct gpio_backlight *gbl = bl_get_data(bl); > >- return gbl->fbdev == NULL || gbl->fbdev == info->dev; >+ return !gbl->dev || gbl->dev == info->device; > } > > static const struct backlight_ops gpio_backlight_ops = { >@@ -59,7 +59,7 @@ static int gpio_backlight_probe(struct platform_device >*pdev) > return -ENOMEM; > > if (pdata) >- gbl->fbdev = pdata->fbdev; >+ gbl->dev = pdata->dev; > > def_value = device_property_read_bool(dev, "default-on"); > >diff --git a/include/linux/platform_data/gpio_backlight.h >b/include/linux/platform_data/gpio_backlight.h >index 1a8b5b1946fe..323fbf5f7613 100644 >--- a/include/linux/platform_data/gpio_backlight.h >+++ b/include/linux/platform_data/gpio_backlight.h >@@ -8,7 +8,7 @@ > struct device; > > struct gpio_backlight_platform_data { >- struct device *fbdev; >+ struct device *dev; > }; > > #endif >-- >2.40.1