[v2,6/7] backlight: gpio: remove def_value from struct gpio_backlight

Commit Message

Bartosz Golaszewski July 22, 2019, 3:03 p.m. UTC

From: Bartosz Golaszewski <[e-mail]>

This field is unused outside of probe(). There's no need to store it.
We can make it into a local variable.

Signed-off-by: Bartosz Golaszewski <[e-mail]>
---
 drivers/video/backlight/gpio_backlight.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

Patch

diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
index 70882556f047..cd6a75bca9cc 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -21,7 +21,6 @@ 
 struct gpio_backlight {
 	struct device *fbdev;
 	struct gpio_desc *gpiod;
-	int def_value;
 };
 
 static int gpio_backlight_update_status(struct backlight_device *bl)
@@ -61,7 +60,7 @@  static int gpio_backlight_probe(struct platform_device *pdev)
 	struct backlight_device *bl;
 	struct gpio_backlight *gbl;
 	enum gpiod_flags flags;
-	int ret;
+	int ret, def_value;
 
 	gbl = devm_kzalloc(&pdev->dev, sizeof(*gbl), GFP_KERNEL);
 	if (gbl == NULL)
@@ -70,8 +69,8 @@  static int gpio_backlight_probe(struct platform_device *pdev)
 	if (pdata)
 		gbl->fbdev = pdata->fbdev;
 
-	gbl->def_value = device_property_read_bool(&pdev->dev, "default-on");
-	flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
+	def_value = device_property_read_bool(&pdev->dev, "default-on");
+	flags = def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
 
 	gbl->gpiod = devm_gpiod_get(&pdev->dev, NULL, flags);
 	if (IS_ERR(gbl->gpiod)) {
@@ -94,7 +93,7 @@  static int gpio_backlight_probe(struct platform_device *pdev)
 		return PTR_ERR(bl);
 	}
 
-	bl->props.brightness = gbl->def_value;
+	bl->props.brightness = def_value;
 	backlight_update_status(bl);
 
 	platform_set_drvdata(pdev, bl);