BF54x LQ043 Framebuffer driver: fix bug NULL for gpio_request label is not allowed

Signed-off-by: Michael Hennerich <[e-mail]>
Signed-off-by: Bryan Wu <[e-mail]>
Cc: "Antonino A. Daplas" <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/video/bf54x-lq043fb.c

···
 	u16 eppi_req_18[] = EPPI0_18;
 	u16 disp = fbi->mach_info->disp;
 
-	if (gpio_request(disp, NULL)) {
+	if (gpio_request(disp, DRIVER_NAME)) {
 		printk(KERN_ERR "Requesting GPIO %d faild\n", disp);
 		return -EFAULT;
 	}