linux-kernel - [RFC PATCH 10/57] drivers: coresight: Use bus_find_device_by_of

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Message-Id: <1559577023-558-11-git-send-email-suzuki.poulose@arm.com>
Date:   Mon,  3 Jun 2019 16:49:36 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, rafael@...nel.org,
        suzuki.poulose@....com,
        Mathieu Poirier <mathieu.poirier@...aro.org>
Subject: [RFC PATCH 10/57] drivers: coresight: Use bus_find_device_by_of_node helper

Switch to using the bus_find_device_by_of_node helper

Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
 drivers/hwtracing/coresight/of_coresight.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/hwtracing/coresight/of_coresight.c b/drivers/hwtracing/coresight/of_coresight.c
index 7045930..9b7a0c0 100644
--- a/drivers/hwtracing/coresight/of_coresight.c
+++ b/drivers/hwtracing/coresight/of_coresight.c
@@ -18,11 +18,6 @@
 #include <asm/smp_plat.h>
 
 
-static int of_dev_node_match(struct device *dev, void *data)
-{
-	return dev->of_node == data;
-}
-
 static struct device *
 of_coresight_get_endpoint_device(struct device_node *endpoint)
 {
@@ -32,8 +27,7 @@ of_coresight_get_endpoint_device(struct device_node *endpoint)
 	 * If we have a non-configurable replicator, it will be found on the
 	 * platform bus.
 	 */
-	dev = bus_find_device(&platform_bus_type, NULL,
-			      endpoint, of_dev_node_match);
+	dev = bus_find_device_by_of_node(&platform_bus_type, NULL, endpoint);
 	if (dev)
 		return dev;
 
@@ -41,8 +35,7 @@ of_coresight_get_endpoint_device(struct device_node *endpoint)
 	 * We have a configurable component - circle through the AMBA bus
 	 * looking for the device that matches the endpoint node.
 	 */
-	return bus_find_device(&amba_bustype, NULL,
-			       endpoint, of_dev_node_match);
+	return bus_find_device_by_of_node(&amba_bustype, NULL, endpoint);
 }
 
 static inline bool of_coresight_legacy_ep_is_input(struct device_node *ep)
-- 
2.7.4