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gpu: ipu-v3: default to id 0 on missing OF alias
author
Philipp Zabel
<p.zabel@pengutronix.de>
Thu, 21 Jun 2018 19:13:38 +0000
(21:13 +0200)
committer
Philipp Zabel
<p.zabel@pengutronix.de>
Thu, 2 Aug 2018 10:09:11 +0000
(12:09 +0200)
This is better than storing -ENODEV in the id number. This fixes SoCs
with only one IPU that don't specify an IPU alias in the device tree.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
drivers/gpu/ipu-v3/ipu-common.c
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diff --git
a/drivers/gpu/ipu-v3/ipu-common.c
b/drivers/gpu/ipu-v3/ipu-common.c
index
48685cd
..
c73bd00
100644
(file)
--- a/
drivers/gpu/ipu-v3/ipu-common.c
+++ b/
drivers/gpu/ipu-v3/ipu-common.c
@@
-1401,6
+1401,8
@@
static int ipu_probe(struct platform_device *pdev)
return -ENODEV;
ipu->id = of_alias_get_id(np, "ipu");
+ if (ipu->id < 0)
+ ipu->id = 0;
if (of_device_is_compatible(np, "fsl,imx6qp-ipu") &&
IS_ENABLED(CONFIG_DRM)) {