change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c
..
..
@@ -81,9 +81,5 @@
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 gk20a_ibus_new(struct nvkm_device *device, int index,
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 	       struct nvkm_subdev **pibus)
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 {
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-	struct nvkm_subdev *ibus;
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-	if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
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-		return -ENOMEM;
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-	nvkm_subdev_ctor(&gk20a_ibus, device, index, ibus);
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-	return 0;
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+	return nvkm_subdev_new_(&gk20a_ibus, device, index, pibus);
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 }