fbdev: ssd1307fb: constify the device_info pointer

of_match_device return const data, so instead of casting its return value
this patch constify the device_info pointer.

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 1feda0c..6a18bdc 100644 (file)
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -64,7 +64,7 @@ struct ssd1307fb_par {
        u32 contrast;
        u32 dclk_div;
        u32 dclk_frq;
-       struct ssd1307fb_deviceinfo *device_info;
+       const struct ssd1307fb_deviceinfo *device_info;
        struct i2c_client *client;
        u32 height;
        struct fb_info *info;
@@ -559,8 +559,8 @@ static int ssd1307fb_probe(struct i2c_client *client,
        par->info = info;
        par->client = client;
 
-       par->device_info = (struct ssd1307fb_deviceinfo *)of_match_device(
-                       ssd1307fb_of_match, &client->dev)->data;
+       par->device_info = of_match_device(ssd1307fb_of_match,
+                                          &client->dev)->data;
 
        par->reset = of_get_named_gpio(client->dev.of_node,
                                         "reset-gpios", 0);