[PATCH v2 3/5] coresight: cti: Use of_cpu_phandle_to_id for grabbing CPU id

Alireza Sanaee alireza.sanaee at huawei.com
Tue Jul 8 08:15:00 PDT 2025


Use the newly created API to grab CPU id.

Signed-off-by: Alireza Sanaee <alireza.sanaee at huawei.com>
---
 .../hwtracing/coresight/coresight-cti-platform.c   | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-cti-platform.c b/drivers/hwtracing/coresight/coresight-cti-platform.c
index d0ae10bf6128..e1dc559d54aa 100644
--- a/drivers/hwtracing/coresight/coresight-cti-platform.c
+++ b/drivers/hwtracing/coresight/coresight-cti-platform.c
@@ -41,20 +41,8 @@
  */
 static int of_cti_get_cpu_at_node(const struct device_node *node)
 {
-	int cpu;
-	struct device_node *dn;
+	int cpu = of_cpu_phandle_to_id(node, NULL, 0);
 
-	if (node == NULL)
-		return -1;
-
-	dn = of_parse_phandle(node, "cpu", 0);
-	/* CTI affinity defaults to no cpu */
-	if (!dn)
-		return -1;
-	cpu = of_cpu_node_to_id(dn);
-	of_node_put(dn);
-
-	/* No Affinity  if no cpu nodes are found */
 	return (cpu < 0) ? -1 : cpu;
 }
 
-- 
2.43.0




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