linux-kernel - [RFC PATCH 40/57] drivers: spi: Use class_find_device_by_of

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Date:   Mon,  3 Jun 2019 16:50:06 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, rafael@...nel.org,
        suzuki.poulose@....com
Subject: [RFC PATCH 40/57] drivers: spi: Use class_find_device_by_of_node helper

Use the generic helper to find a device matching the of_node.

Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
 drivers/spi/spi.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 5224ded..e1295e9 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -3549,21 +3549,14 @@ EXPORT_SYMBOL_GPL(of_find_spi_device_by_node);
 #endif /* IS_ENABLED(CONFIG_OF) */
 
 #if IS_ENABLED(CONFIG_OF_DYNAMIC)
-static int __spi_of_controller_match(struct device *dev, const void *data)
-{
-	return dev->of_node == data;
-}
-
 /* the spi controllers are not using spi_bus, so we find it with another way */
 static struct spi_controller *of_find_spi_controller_by_node(struct device_node *node)
 {
 	struct device *dev;
 
-	dev = class_find_device(&spi_master_class, NULL, node,
-				__spi_of_controller_match);
+	dev = class_find_device_by_of_node(&spi_master_class, NULL, node);
 	if (!dev && IS_ENABLED(CONFIG_SPI_SLAVE))
-		dev = class_find_device(&spi_slave_class, NULL, node,
-					__spi_of_controller_match);
+		dev = class_find_device_by_of_node(&spi_slave_class, NULL, node);
 	if (!dev)
 		return NULL;
 
-- 
2.7.4