linux-kernel - [PATCH 1/1] iommu/arm-smmu-v3: Use DEFINE_RES

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Message-ID: <20210122131448.1167-1-thunder.leizhen@huawei.com>
Date:   Fri, 22 Jan 2021 21:14:48 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        "Joerg Roedel" <joro@...tes.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        iommu <iommu@...ts.linux-foundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>
Subject: [PATCH 1/1] iommu/arm-smmu-v3: Use DEFINE_RES_MEM() to simplify code

No functional change.

Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

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 bca458c00e48a8b..f04c55a7503c790 100644
--- 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 @@ static int arm_smmu_set_bus_ops(struct iommu_ops *ops)
 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);
 }
-- 
1.8.3