drm/ssd130x: Make ssd130x_remove() return void

This function returns zero unconditionally, so there isn't any benefit
of returning a value. Make it return void to be able to see at a glance
that the return value of ssd130x_i2c_remove() is always zero.

This patch is a preparation for making i2c remove callbacks return void.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220425192306.59800-1-u.kleine-koenig@pengutronix.de

diff --git a/drivers/gpu/drm/solomon/ssd130x-i2c.c b/drivers/gpu/drm/solomon/ssd130x-i2c.c
index d6835ec..1e0fcec 100644 (file)
--- a/drivers/gpu/drm/solomon/ssd130x-i2c.c
+++ b/drivers/gpu/drm/solomon/ssd130x-i2c.c
@@ -43,7 +43,9 @@ static int ssd130x_i2c_remove(struct i2c_client *client)
 {
        struct ssd130x_device *ssd130x = i2c_get_clientdata(client);
 
-       return ssd130x_remove(ssd130x);
+       ssd130x_remove(ssd130x);
+
+       return 0;
 }
 
 static void ssd130x_i2c_shutdown(struct i2c_client *client)

diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c
index ba2de93..0839444 100644 (file)
--- a/drivers/gpu/drm/solomon/ssd130x.c
+++ b/drivers/gpu/drm/solomon/ssd130x.c
@@ -924,11 +924,9 @@ struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap)
 }
 EXPORT_SYMBOL_GPL(ssd130x_probe);
 
-int ssd130x_remove(struct ssd130x_device *ssd130x)
+void ssd130x_remove(struct ssd130x_device *ssd130x)
 {
        drm_dev_unplug(&ssd130x->drm);
-
-       return 0;
 }
 EXPORT_SYMBOL_GPL(ssd130x_remove);
 

diff --git a/drivers/gpu/drm/solomon/ssd130x.h b/drivers/gpu/drm/solomon/ssd130x.h
index d14f78c..4c4a84e 100644 (file)
--- a/drivers/gpu/drm/solomon/ssd130x.h
+++ b/drivers/gpu/drm/solomon/ssd130x.h
@@ -86,7 +86,7 @@ struct ssd130x_device {
 extern const struct ssd130x_deviceinfo ssd130x_variants[];
 
 struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap);
-int ssd130x_remove(struct ssd130x_device *ssd130x);
+void ssd130x_remove(struct ssd130x_device *ssd130x);
 void ssd130x_shutdown(struct ssd130x_device *ssd130x);
 
 #endif /* __SSD1307X_H__ */