linux-kernel - [PATCH v4 6/8] drm: use for_each_endpoint_of_node macro in drm_of_find_possible

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Message-Id: <1411978551-30480-7-git-send-email-p.zabel@pengutronix.de>
Date:	Mon, 29 Sep 2014 10:15:49 +0200
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Grant Likely <grant.likely@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	devel@...verdev.osuosl.org,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	kernel@...gutronix.de, Philipp Zabel <p.zabel@...gutronix.de>
Subject: [PATCH v4 6/8] drm: use for_each_endpoint_of_node macro in drm_of_find_possible_crtcs

Using the for_each_... macro should make the code a bit shorter and
easier to read.

Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
Acked-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
---
 drivers/gpu/drm/drm_of.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index 16150a0..024fa77 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -46,11 +46,7 @@ uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
 	struct device_node *remote_port, *ep = NULL;
 	uint32_t possible_crtcs = 0;
 
-	do {
-		ep = of_graph_get_next_endpoint(port, ep);
-		if (!ep)
-			break;
-
+	for_each_endpoint_of_node(port, ep) {
 		remote_port = of_graph_get_remote_port(ep);
 		if (!remote_port) {
 			of_node_put(ep);
@@ -60,7 +56,7 @@ uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
 		possible_crtcs |= drm_crtc_port_mask(dev, remote_port);
 
 		of_node_put(remote_port);
-	} while (1);
+	}
 
 	return possible_crtcs;
 }
-- 
2.1.0

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