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

Zhen Lei · willdeacon · commit 932bc8c7d742 · 2021-01-22T13:32:10.000Z
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
@@ -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);
 }

Original file line number	Diff line number	Diff line change
`@@ -3479,11 +3479,7 @@ err_reset_pci_ops: __maybe_unused;`
`3479`	`3479`	`static void __iomem arm_smmu_ioremap(struct device dev, resource_size_t start,`
`3480`	`3480`	`resource_size_t size)`
`3481`	`3481`	`{`
`3482`		`- struct resource res = {`
`3483`		`- .flags = IORESOURCE_MEM,`
`3484`		`- .start = start,`
`3485`		`- .end = start + size - 1,`
`3486`		`- };`
	`3482`	`+ struct resource res = DEFINE_RES_MEM(start, size);`
`3487`	`3483`
`3488`	`3484`	`return devm_ioremap_resource(dev, &res);`
`3489`	`3485`	`}`