[RFC PATCH 50/57] drivers: iommu: arm-smmu: Use driver_find_device_by_fwnode() helper

[Suzuki K Poulose]

Reuse the driver_find_device_by_fwnode() helper to lookup devices.

Cc: Will Deacon <will.dea...@arm.com>
Cc: Robin Murphy <robin.mur...@arm.com>
Cc: Joerg Roedel <j...@8bytes.org>
Signed-off-by: Suzuki K Poulose <suzuki.poul...@arm.com>
---
 drivers/iommu/arm-smmu-v3.c | 9 ++-------
 drivers/iommu/arm-smmu.c    | 9 ++-------
 2 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index d787856..1f9851f 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2023,16 +2023,11 @@ arm_smmu_iova_to_phys(struct iommu_domain *domain, 
dma_addr_t iova)
 
 static struct platform_driver arm_smmu_driver;
 
-static int arm_smmu_match_node(struct device *dev, const void *data)
-{
-       return dev->fwnode == data;
-}
-
 static
 struct arm_smmu_device *arm_smmu_get_by_fwnode(struct fwnode_handle *fwnode)
 {
-       struct device *dev = driver_find_device(&arm_smmu_driver.driver, NULL,
-                                               fwnode, arm_smmu_match_node);
+       struct device *dev = 
driver_find_device_by_fwnode(&arm_smmu_driver.driver,
+                                                         NULL, fwnode);
        put_device(dev);
        return dev ? dev_get_drvdata(dev) : NULL;
 }
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 4ce429b..c962e82 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1431,16 +1431,11 @@ static bool arm_smmu_capable(enum iommu_cap cap)
        }
 }
 
-static int arm_smmu_match_node(struct device *dev, const void *data)
-{
-       return dev->fwnode == data;
-}
-
 static
 struct arm_smmu_device *arm_smmu_get_by_fwnode(struct fwnode_handle *fwnode)
 {
-       struct device *dev = driver_find_device(&arm_smmu_driver.driver, NULL,
-                                               fwnode, arm_smmu_match_node);
+       struct device *dev = 
driver_find_device_by_fwnode(&arm_smmu_driver.driver,
+                                                         NULL, fwnode);
        put_device(dev);
        return dev ? dev_get_drvdata(dev) : NULL;
 }
-- 
2.7.4