drm: rcar-du: Convert rcar_du_encoders_init_one() return value to 0/<0
The function returns 1 on success, and either 0 or a negative error code on failure. As the 0 and negative values don't need to be differentiated by the caller, convert it to the usual scheme of returning 0 on success and a negative error code on failure. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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@ -573,7 +573,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
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if (!entity) {
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dev_dbg(rcdu->dev, "unconnected endpoint %s, skipping\n",
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ep->local_node->full_name);
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return 0;
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return -ENODEV;
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}
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entity_ep_node = of_parse_phandle(ep->local_node, "remote-endpoint", 0);
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@ -596,7 +596,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
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encoder->full_name);
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of_node_put(entity_ep_node);
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of_node_put(encoder);
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return 0;
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return -ENODEV;
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}
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break;
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@ -625,7 +625,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
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encoder->full_name);
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of_node_put(encoder);
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of_node_put(connector);
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return 0;
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return -EINVAL;
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}
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} else {
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/*
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@ -644,7 +644,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
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"failed to initialize encoder %s (%d), skipping\n",
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encoder->full_name, ret);
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return ret < 0 ? ret : 1;
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return ret;
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}
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static int rcar_du_encoders_init(struct rcar_du_device *rcdu)
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@ -696,7 +696,7 @@ static int rcar_du_encoders_init(struct rcar_du_device *rcdu)
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continue;
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}
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num_encoders += ret;
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num_encoders++;
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}
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return num_encoders;
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