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authorPhilipp Zabel <p.zabel@pengutronix.de>2018-06-21 21:13:38 +0200
committerPhilipp Zabel <p.zabel@pengutronix.de>2018-08-02 12:09:11 +0200
commit2d87e6c1b99c402360fdfe19ce4f579ab2f96adf (patch)
tree6884e0ca4ddaacc2c17ceb8a5cb3945a95afa9b4 /drivers/gpu/ipu-v3/ipu-common.c
parent9f0ba3d92fe63fa72f88238d9dde47a38a7d8f40 (diff)
gpu: ipu-v3: default to id 0 on missing OF alias
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>
Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-common.c')
-rw-r--r--drivers/gpu/ipu-v3/ipu-common.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 48685cddbad1..c73bd003f845 100644
--- 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)) {