linux-kernel - [PATCH 02/22] amba: tegra-ahb: Use of_device

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Date:	Mon,  6 Jun 2016 10:31:44 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Rob Herring <robh+dt@...nel.org>,
	Frank Rowand <frowand.list@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Russell King <linux@...linux.org.uk>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/22] amba: tegra-ahb: Use of_device_match()

From: Thierry Reding <treding@...dia.com>

Use the common implementation rather than the open-coded variant.

Signed-off-by: Thierry Reding <treding@...dia.com>
---
 drivers/amba/tegra-ahb.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c
index b0b688c481e8..d87e76cf448c 100644
--- a/drivers/amba/tegra-ahb.c
+++ b/drivers/amba/tegra-ahb.c
@@ -26,6 +26,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <soc/tegra/ahb.h>
 
@@ -143,14 +144,6 @@ static inline void gizmo_writel(struct tegra_ahb *ahb, u32 value, u32 offset)
 }
 
 #ifdef CONFIG_TEGRA_IOMMU_SMMU
-static int tegra_ahb_match_by_smmu(struct device *dev, void *data)
-{
-	struct tegra_ahb *ahb = dev_get_drvdata(dev);
-	struct device_node *dn = data;
-
-	return (ahb->dev->of_node == dn) ? 1 : 0;
-}
-
 int tegra_ahb_enable_smmu(struct device_node *dn)
 {
 	struct device *dev;
@@ -158,7 +151,7 @@ int tegra_ahb_enable_smmu(struct device_node *dn)
 	struct tegra_ahb *ahb;
 
 	dev = driver_find_device(&tegra_ahb_driver.driver, NULL, dn,
-				 tegra_ahb_match_by_smmu);
+				 of_device_match);
 	if (!dev)
 		return -EPROBE_DEFER;
 	ahb = dev_get_drvdata(dev);
-- 
2.8.3