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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>
hifive-unleashed-5.1
Laurent Pinchart 2015-05-26 15:07:56 +03:00
parent 64549cdf85
commit 898a2f387d
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/rcar-du/rcar_du_kms.c
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@ -573,7 +573,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
if (!entity) {
dev_dbg(rcdu->dev, "unconnected endpoint %s, skipping\n",
ep->local_node->full_name);
return 0;
return -ENODEV;
}
entity_ep_node = of_parse_phandle(ep->local_node, "remote-endpoint", 0);
@ -596,7 +596,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
encoder->full_name);
of_node_put(entity_ep_node);
of_node_put(encoder);
return 0;
return -ENODEV;
}
break;
@ -625,7 +625,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
encoder->full_name);
of_node_put(encoder);
of_node_put(connector);
return 0;
return -EINVAL;
}
} else {
/*
@ -644,7 +644,7 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
"failed to initialize encoder %s (%d), skipping\n",
encoder->full_name, ret);
return ret < 0 ? ret : 1;
return ret;
}
static int rcar_du_encoders_init(struct rcar_du_device *rcdu)
@ -696,7 +696,7 @@ static int rcar_du_encoders_init(struct rcar_du_device *rcdu)
continue;
}
num_encoders += ret;
num_encoders++;
}
return num_encoders;