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

Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
 drivers/staging/imx-drm/imx-drm-core.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/imx-drm/imx-drm-core.c 
b/drivers/staging/imx-drm/imx-drm-core.c
index 9b5222c..460d785 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -438,17 +438,13 @@ int imx_drm_encoder_parse_of(struct drm_device *drm,
        struct drm_encoder *encoder, struct device_node *np)
 {
        struct imx_drm_device *imxdrm = drm->dev_private;
-       struct device_node *ep = NULL;
+       struct device_node *ep;
        uint32_t crtc_mask = 0;
-       int i;
+       int i = 0;
 
-       for (i = 0; ; i++) {
+       for_each_endpoint_of_node(np, ep) {
                u32 mask;
 
-               ep = of_graph_get_next_endpoint(np, ep);
-               if (!ep)
-                       break;
-
                mask = imx_drm_find_crtc_mask(imxdrm, ep);
 
                /*
@@ -457,14 +453,15 @@ int imx_drm_encoder_parse_of(struct drm_device *drm,
                 * not been registered yet.  Defer probing, and hope that
                 * the required CRTC is added later.
                 */
-               if (mask == 0)
+               if (mask == 0) {
+                       of_node_put(ep);
                        return -EPROBE_DEFER;
+               }
 
                crtc_mask |= mask;
+               i++;
        }
 
-       if (ep)
-               of_node_put(ep);
        if (i == 0)
                return -ENOENT;
 
-- 
2.1.0

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