From: Philipp Zabel <p.zabel@pengutronix.de>
To: linux-kernel@vger.kernel.org
Cc: linux-media@vger.kernel.org, devel@driverdev.osuosl.org,
Grant Likely <grant.likely@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Mauro Carvalho Chehab <m.chehab@samsung.com>,
Russell King <rmk+kernel@arm.linux.org.uk>,
kernel@pengutronix.de, Philipp Zabel <p.zabel@pengutronix.de>
Subject: [PATCH v3 8/8] imx-drm: use for_each_endpoint_of_node macro in imx_drm_encoder_parse_of
Date: Thu, 11 Sep 2014 17:33:07 +0200 [thread overview]
Message-ID: <1410449587-1677-9-git-send-email-p.zabel@pengutronix.de> (raw)
In-Reply-To: <1410449587-1677-1-git-send-email-p.zabel@pengutronix.de>
Using the for_each_... macro should make the code bit shorter and
easier to read.
Signed-off-by: Philipp Zabel <p.zabel@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
prev parent reply other threads:[~2014-09-11 15:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 15:32 [PATCH v3 0/8] Add of-graph helpers to loop over endpoints and find ports by id Philipp Zabel
2014-09-11 15:33 ` [PATCH v3 1/8] [media] soc_camera: Do not decrement endpoint node refcount in the loop Philipp Zabel
2014-09-20 7:24 ` Guennadi Liakhovetski
2014-09-25 7:40 ` Philipp Zabel
2014-09-11 15:33 ` [PATCH v3 2/8] imx-drm: " Philipp Zabel
2014-09-11 15:33 ` [PATCH v3 3/8] of: Decrement refcount of previous endpoint in of_graph_get_next_endpoint Philipp Zabel
2014-09-11 15:33 ` [PATCH v3 4/8] of: Add for_each_endpoint_of_node helper macro Philipp Zabel
2014-09-11 15:33 ` [PATCH v3 5/8] of: Add of_graph_get_port_by_id function Philipp Zabel
2014-09-11 18:18 ` Laurent Pinchart
2014-09-11 15:33 ` [PATCH v3 6/8] drm: use for_each_endpoint_of_node macro in drm_of_find_possible_crtcs Philipp Zabel
2014-09-11 15:33 ` [PATCH v3 7/8] imx-drm: use for_each_endpoint_of_node macro in imx_drm_encoder_get_mux_id Philipp Zabel
2014-09-11 15:33 ` Philipp Zabel [this message]
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