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drm/mxsfb/lcdif: simplify remote pointer management using __free

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Putting the remote device_node reference requires a of_node_put(remote) in
two places. Use a cleanup action to simplify the code.

Reviewed-by: Liu Ying <victor.liu@nxp.com>
Tested-by: Martyn Welch <martyn.welch@collabora.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> # TQMa8MPxL/MBa8MPxL
Link: https://patch.msgid.link/20260407-drm-lcdif-dbanc-v4-1-247a16e61ef9@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli 2026-04-07 14:24:15 +02:00
parent 9022f01097
commit 1bff813f88
1 changed files with 4 additions and 6 deletions
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10
drivers/gpu/drm/mxsfb/lcdif_drv.c
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@ -5,6 +5,7 @@
* This code is based on drivers/gpu/drm/mxsfb/mxsfb*
*/
#include <linux/cleanup.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/io.h>
@ -53,16 +54,13 @@ static int lcdif_attach_bridge(struct lcdif_drm_private *lcdif)
int ret;
for_each_endpoint_of_node(dev->of_node, ep) {
struct device_node *remote;
struct device_node *remote __free(device_node) =
of_graph_get_remote_port_parent(ep);
struct of_endpoint of_ep;
struct drm_encoder *encoder;
remote = of_graph_get_remote_port_parent(ep);
if (!of_device_is_available(remote)) {
of_node_put(remote);
if (!of_device_is_available(remote))
continue;
}
of_node_put(remote);
ret = of_graph_parse_endpoint(ep, &of_ep);
if (ret < 0) {