Re: [PATCH v5 4/9] coresight: refactor with function of_coresight_get_cpu

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On 25/03/17 18:23, Leo Yan wrote:
This is refactor to add function of_coresight_get_cpu(), so it's used to
retrieve CPU id for coresight component. Finally can use it as a common
function for multiple places.

Suggested-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>

Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
-		if (found)
-			break;
-	}
-	of_node_put(dn);
-
-	/* Affinity to CPU0 if no cpu nodes are found */
-	pdata->cpu = found ? cpu : 0;
+	pdata->cpu = of_coresight_get_cpu(node);

 	return pdata;
 }
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 2a5982c..bf96678 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -263,9 +263,11 @@ static inline int coresight_timeout(void __iomem *addr, u32 offset,
 #endif

 #ifdef CONFIG_OF
+extern int of_coresight_get_cpu(struct device_node *node);
 extern struct coresight_platform_data *of_get_coresight_platform_data(
 				struct device *dev, struct device_node *node);
 #else
+static inline int of_coresight_get_cpu(struct device_node *node) { return 0; }
 static inline struct coresight_platform_data *of_get_coresight_platform_data(
 	struct device *dev, struct device_node *node) { return NULL; }
 #endif


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