[RFC PATCH 52/57] drivers: tegra: Use driver_find_device_by_of_node() helper

Suzuki K Poulose
2019-06-03T15:52:22Z

Switch to using the new helper driver_find_device_by_of_node().

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/amba/tegra-ahb.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c
index 42175a6..5ce0f66 100644
--- a/drivers/amba/tegra-ahb.c
+++ b/drivers/amba/tegra-ahb.c
@@ -143,22 +143,13 @@ 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, const void *data)
-{
- struct tegra_ahb *ahb = dev_get_drvdata(dev);
- const 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;
u32 val;
struct tegra_ahb *ahb;

- dev = driver_find_device(&tegra_ahb_driver.driver, NULL, dn,
- tegra_ahb_match_by_smmu);
+ dev = driver_find_device_by_of_node(&tegra_ahb_driver.driver, NULL, dn);
if (!dev)
return -EPROBE_DEFER;
ahb = dev_get_drvdata(dev);
--
2.7.4