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media: xilinx-tpg: use new of_graph functions

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Now we can use new port related functions for port parsing. Use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://lore.kernel.org/r/87a5eub5s8.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Kuninori Morimoto 2024-10-24 02:20:39 +00:00 • committed by Rob Herring (Arm)
parent 78cd57bbb4
commit 393194cdf1
1 changed files with 3 additions and 11 deletions
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14
drivers/media/platform/xilinx/xilinx-tpg.c
View file

@ -13,6 +13,7 @@
#include <linux/gpio/consumer.h> #include <linux/gpio/consumer.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_graph.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/xilinx-v4l2-controls.h> #include <linux/xilinx-v4l2-controls.h>
@ -711,22 +712,13 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
{ {
struct device *dev = xtpg->xvip.dev; struct device *dev = xtpg->xvip.dev;
struct device_node *node = xtpg->xvip.dev->of_node; struct device_node *node = xtpg->xvip.dev->of_node;
struct device_node *ports;
struct device_node *port;
unsigned int nports = 0; unsigned int nports = 0;
bool has_endpoint = false; bool has_endpoint = false;
ports = of_get_child_by_name(node, "ports"); for_each_of_graph_port(node, port) {
if (ports == NULL)
ports = node;
for_each_child_of_node(ports, port) {
const struct xvip_video_format *format; const struct xvip_video_format *format;
struct device_node *endpoint; struct device_node *endpoint;
if (!of_node_name_eq(port, "port"))
continue;
format = xvip_of_get_format(port); format = xvip_of_get_format(port);
if (IS_ERR(format)) { if (IS_ERR(format)) {
dev_err(dev, "invalid format in DT"); dev_err(dev, "invalid format in DT");
@ -744,7 +736,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
} }
if (nports == 0) { if (nports == 0) {
endpoint = of_get_next_child(port, NULL); endpoint = of_graph_get_next_port_endpoint(port, NULL);
if (endpoint) if (endpoint)
has_endpoint = true; has_endpoint = true;
of_node_put(endpoint); of_node_put(endpoint);