[PATCH v3 5/6] coresight: Use of_cpu_phandle_to_id for grabbing CPU ID

Alireza Sanaee
2025-07-18T10:12:12Z

Use the newly created API (of_cpu_phandle_to_id) to grab CPU ID.

Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Alireza Sanaee <alireza.sanaee@huawei.com>
---
drivers/hwtracing/coresight/coresight-platform.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c
index 0db64c5f4995..95d46ea08936 100644
--- a/drivers/hwtracing/coresight/coresight-platform.c
+++ b/drivers/hwtracing/coresight/coresight-platform.c
@@ -167,20 +167,7 @@ of_coresight_get_output_ports_node(const struct device_node *node)

static int of_coresight_get_cpu(struct device *dev)
{
- int cpu;
- struct device_node *dn;
-
- if (!dev->of_node)
- return -ENODEV;
-
- dn = of_parse_phandle(dev->of_node, "cpu", 0);
- if (!dn)
- return -ENODEV;
-
- cpu = of_cpu_node_to_id(dn);
- of_node_put(dn);
-
- return cpu;
+ return of_cpu_phandle_to_id(dev->of_node, NULL, 0);
}

/*
--
2.43.0