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video: ARM CLCD: fix Vexpress regression 

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>
This commit is contained in:
Linus Walleij 2016-10-20 08:46:32 +02:00 committed by Tomi Valkeinen
parent a909d3e636
commit cfbd950d5e
1 changed files with 2 additions and 2 deletions
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4
drivers/video/fbdev/amba-clcd-versatile.c
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@ -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;