video: ARM CLCD: fix Vexpress regression
authorLinus Walleij <linus.walleij@linaro.org>
Thu, 20 Oct 2016 06:46:32 +0000 (08:46 +0200)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Thu, 3 Nov 2016 10:20:14 +0000 (12:20 +0200)
The CLCD does not come up on Versatile Express as it does not
(currently) have a syscon node for controlling the block apart
from the CLCD itself. Make sure the .init() function can bail
out without an error making it probe again.

Reported-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Tested-by: Nicolae Rosia <nicolae_rosia@mentor.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
drivers/video/fbdev/amba-clcd-versatile.c

index 19ad864..e5d9bfc 100644 (file)
@@ -526,8 +526,8 @@ int versatile_clcd_init_panel(struct clcd_fb *fb,
        np = of_find_matching_node_and_match(NULL, versatile_clcd_of_match,
                                             &clcd_id);
        if (!np) {
-               dev_err(dev, "no Versatile syscon node\n");
-               return -ENODEV;
+               /* Vexpress does not have this */
+               return 0;
        }
        versatile_clcd_type = (enum versatile_clcd)clcd_id->data;