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drm/armada: use for_each_endpoint_of_node() to walk crtc endpoints 

Rather than having a nested set of for_each_child_of_node() walkers,
use the graph walker to iterate through the endpoints for CRTCs.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2019-01-24 09:56:46 +00:00
parent f54a5990c3
commit 989b9a7dd4
1 changed files with 4 additions and 7 deletions
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11
drivers/gpu/drm/armada/armada_drv.c
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@ -204,11 +204,11 @@ static int compare_dev_name(struct device *dev, void *data)
}
static void armada_add_endpoints(struct device *dev,
struct component_match **match, struct device_node *port)
struct component_match **match, struct device_node *dev_node)
{
struct device_node *ep, *remote;
for_each_child_of_node(port, ep) {
for_each_endpoint_of_node(dev_node, ep) {
remote = of_graph_get_remote_port_parent(ep);
if (!remote || !of_device_is_available(remote)) {
of_node_put(remote);
@ -242,7 +242,6 @@ static int armada_drm_probe(struct platform_device *pdev)
if (dev->platform_data) {
char **devices = dev->platform_data;
struct device_node *port;
struct device *d;
int i;
@ -258,10 +257,8 @@ static int armada_drm_probe(struct platform_device *pdev)
for (i = 0; devices[i]; i++) {
d = bus_find_device_by_name(&platform_bus_type, NULL,
devices[i]);
if (d && d->of_node) {
for_each_child_of_node(d->of_node, port)
armada_add_endpoints(dev, &match, port);
}
if (d && d->of_node)
armada_add_endpoints(dev, &match, d->of_node);
put_device(d);
}
}