iommu/arm-smmu-v3: Use DEFINE_RES_MEM() to simplify code

No functional change.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210122131448.1167-1-thunder.leizhen@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index bca458c00e48a8b1f86a69716ccc28d6ed8ac0b0..f04c55a7503c790ab53816401cac52d44f086c20 100644 (file)
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3479,11 +3479,7 @@ err_reset_pci_ops: __maybe_unused;
 static void __iomem *arm_smmu_ioremap(struct device *dev, resource_size_t start,
                                      resource_size_t size)
 {
-       struct resource res = {
-               .flags = IORESOURCE_MEM,
-               .start = start,
-               .end = start + size - 1,
-       };
+       struct resource res = DEFINE_RES_MEM(start, size);
 
        return devm_ioremap_resource(dev, &res);
 }