Merge tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here's the huge drivers/staging/ update for 3.15-rc1.

  Loads of cleanup fixes, a few drivers removed, and some new ones
  added.

  All have been in linux-next for a while"

* tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1375 commits)
  staging: xillybus: XILLYBUS_PCIE depends on PCI_MSI
  staging: xillybus: Added "select CRC32" for XILLYBUS in Kconfig
  staging: comedi: poc: remove obsolete driver
  staging: unisys: replace kzalloc/kfree with UISMALLOC/UISFREE
  staging: octeon-usb: prevent memory corruption
  staging: usbip: fix line over 80 characters
  staging: usbip: fix quoted string split across lines
  Staging: unisys: Remove RETINT macro
  Staging: unisys: Remove FAIL macro
  Staging: unisys: Remove RETVOID macro
  Staging: unisys: Remove RETPTR macro
  Staging: unisys: Remove RETBOOL macro
  Staging: unisys: Remove FAIL_WPOSTCODE_1 macro
  Staging: unisys: Cleanup macros to get rid of goto statements
  Staging: unisys: include: Remove unused macros from timskmod.h
  staging: dgap: fix the rest of the checkpatch warnings in dgap.c
  Staging: bcm: Remove unnecessary parentheses
  staging: wlags49_h2: Delete unnecessary braces
  staging: wlags49_h2: Do not use assignment in if condition
  staging: wlags49_h2: Enclose macro in a do-while loop
  ...

1 files changed, 3 insertions, 130 deletions

diff --git a/drivers/media/v4l2-core/v4l2-of.c b/drivers/media/v4l2-core/v4l2-of.c
index 42e3e8a5e36..b4ed9a955fb 100644
--- a/drivers/media/v4l2-core/v4l2-of.c
+++ b/drivers/media/v4l2-core/v4l2-of.c
@@ -127,17 +127,9 @@ static void v4l2_of_parse_parallel_bus(const struct device_node *node,
 int v4l2_of_parse_endpoint(const struct device_node *node,
 			   struct v4l2_of_endpoint *endpoint)
 {
-	struct device_node *port_node = of_get_parent(node);
-
-	memset(endpoint, 0, offsetof(struct v4l2_of_endpoint, head));
-
-	endpoint->local_node = node;
-	/*
-	 * It doesn't matter whether the two calls below succeed.
-	 * If they don't then the default value 0 is used.
-	 */
-	of_property_read_u32(port_node, "reg", &endpoint->port);
-	of_property_read_u32(node, "reg", &endpoint->id);
+	of_graph_parse_endpoint(node, &endpoint->base);
+	endpoint->bus_type = 0;
+	memset(&endpoint->bus, 0, sizeof(endpoint->bus));
 
 	v4l2_of_parse_csi_bus(node, endpoint);
 	/*
@@ -147,125 +139,6 @@ int v4l2_of_parse_endpoint(const struct device_node *node,
 	if (endpoint->bus.mipi_csi2.flags == 0)
 		v4l2_of_parse_parallel_bus(node, endpoint);
 
-	of_node_put(port_node);
-
 	return 0;
 }
 EXPORT_SYMBOL(v4l2_of_parse_endpoint);
-
-/**
- * v4l2_of_get_next_endpoint() - get next endpoint node
- * @parent: pointer to the parent device node
- * @prev: previous endpoint node, or NULL to get first
- *
- * Return: An 'endpoint' node pointer with refcount incremented. Refcount
- * of the passed @prev node is not decremented, the caller have to use
- * of_node_put() on it when done.
- */
-struct device_node *v4l2_of_get_next_endpoint(const struct device_node *parent,
-					struct device_node *prev)
-{
-	struct device_node *endpoint;
-	struct device_node *port = NULL;
-
-	if (!parent)
-		return NULL;
-
-	if (!prev) {
-		struct device_node *node;
-		/*
-		 * It's the first call, we have to find a port subnode
-		 * within this node or within an optional 'ports' node.
-		 */
-		node = of_get_child_by_name(parent, "ports");
-		if (node)
-			parent = node;
-
-		port = of_get_child_by_name(parent, "port");
-
-		if (port) {
-			/* Found a port, get an endpoint. */
-			endpoint = of_get_next_child(port, NULL);
-			of_node_put(port);
-		} else {
-			endpoint = NULL;
-		}
-
-		if (!endpoint)
-			pr_err("%s(): no endpoint nodes specified for %s\n",
-			       __func__, parent->full_name);
-		of_node_put(node);
-	} else {
-		port = of_get_parent(prev);
-		if (!port)
-			/* Hm, has someone given us the root node ?... */
-			return NULL;
-
-		/* Avoid dropping prev node refcount to 0. */
-		of_node_get(prev);
-		endpoint = of_get_next_child(port, prev);
-		if (endpoint) {
-			of_node_put(port);
-			return endpoint;
-		}
-
-		/* No more endpoints under this port, try the next one. */
-		do {
-			port = of_get_next_child(parent, port);
-			if (!port)
-				return NULL;
-		} while (of_node_cmp(port->name, "port"));
-
-		/* Pick up the first endpoint in this port. */
-		endpoint = of_get_next_child(port, NULL);
-		of_node_put(port);
-	}
-
-	return endpoint;
-}
-EXPORT_SYMBOL(v4l2_of_get_next_endpoint);
-
-/**
- * v4l2_of_get_remote_port_parent() - get remote port's parent node
- * @node: pointer to a local endpoint device_node
- *
- * Return: Remote device node associated with remote endpoint node linked
- *	   to @node. Use of_node_put() on it when done.
- */
-struct device_node *v4l2_of_get_remote_port_parent(
-			       const struct device_node *node)
-{
-	struct device_node *np;
-	unsigned int depth;
-
-	/* Get remote endpoint node. */
-	np = of_parse_phandle(node, "remote-endpoint", 0);
-
-	/* Walk 3 levels up only if there is 'ports' node. */
-	for (depth = 3; depth && np; depth--) {
-		np = of_get_next_parent(np);
-		if (depth == 2 && of_node_cmp(np->name, "ports"))
-			break;
-	}
-	return np;
-}
-EXPORT_SYMBOL(v4l2_of_get_remote_port_parent);
-
-/**
- * v4l2_of_get_remote_port() - get remote port node
- * @node: pointer to a local endpoint device_node
- *
- * Return: Remote port node associated with remote endpoint node linked
- *	   to @node. Use of_node_put() on it when done.
- */
-struct device_node *v4l2_of_get_remote_port(const struct device_node *node)
-{
-	struct device_node *np;
-
-	/* Get remote endpoint node. */
-	np = of_parse_phandle(node, "remote-endpoint", 0);
-	if (!np)
-		return NULL;
-	return of_get_next_parent(np);
-}
-EXPORT_SYMBOL(v4l2_of_get_remote_port);