On Wed, 24 Mar 2021 14:55:43 +0200 Alexandru Ardelean <[email protected]> wrote:
> This change converts the registration of the backlight data with the > devm_backlight_device_register() function. > This way, the backlight_device_unregister() call is no longer required, and > the order of deregistration is made to be more symmetrical with the > registration order. > This one looks fine to me. > Signed-off-by: Alexandru Ardelean <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> > --- > drivers/platform/x86/toshiba_acpi.c | 20 ++++++++++---------- > 1 file changed, 10 insertions(+), 10 deletions(-) > > diff --git a/drivers/platform/x86/toshiba_acpi.c > b/drivers/platform/x86/toshiba_acpi.c > index 556f2cc99bad..ada2a2d8c913 100644 > --- a/drivers/platform/x86/toshiba_acpi.c > +++ b/drivers/platform/x86/toshiba_acpi.c > @@ -2876,7 +2876,8 @@ static int toshiba_acpi_setup_keyboard(struct device > *parent, > return error; > } > > -static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev) > +static int toshiba_acpi_setup_backlight(struct device *parent, > + struct toshiba_acpi_dev *dev) > { > struct backlight_properties props; > int brightness; > @@ -2924,11 +2925,12 @@ static int toshiba_acpi_setup_backlight(struct > toshiba_acpi_dev *dev) > if (dev->tr_backlight_supported) > props.max_brightness++; > > - dev->backlight_dev = backlight_device_register("toshiba", > - &dev->acpi_dev->dev, > - dev, > - &toshiba_backlight_data, > - &props); > + dev->backlight_dev = devm_backlight_device_register(parent, > + "toshiba", > + &dev->acpi_dev->dev, > + dev, > + > &toshiba_backlight_data, > + &props); > if (IS_ERR(dev->backlight_dev)) { > ret = PTR_ERR(dev->backlight_dev); > pr_err("Could not register toshiba backlight device\n"); > @@ -2999,8 +3001,6 @@ static int toshiba_acpi_remove(struct acpi_device > *acpi_dev) > sysfs_remove_group(&dev->acpi_dev->dev.kobj, > &toshiba_attr_group); > > - backlight_device_unregister(dev->backlight_dev); > - > led_classdev_unregister(&dev->led_dev); > led_classdev_unregister(&dev->kbd_led); > led_classdev_unregister(&dev->eco_led); > @@ -3104,9 +3104,9 @@ static int toshiba_acpi_add(struct acpi_device > *acpi_dev) > ret = get_tr_backlight_status(dev, &dummy); > dev->tr_backlight_supported = !ret; > > - ret = toshiba_acpi_setup_backlight(dev); > + ret = toshiba_acpi_setup_backlight(parent, dev); > if (ret) > - goto error; > + return ret; > > toshiba_illumination_available(dev); > if (dev->illumination_supported) {
