linux-kernel - [PATCH 6/6] iommu/rockchip: convert to devm_platform_ioremap

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Date:   Mon, 23 Dec 2019 18:59:18 +0000
From:   Yangtao Li <tiny.windzz@...il.com>
To:     m.szyprowski@...sung.com, joro@...tes.org, kgene@...nel.org,
        krzk@...nel.org, matthias.bgg@...il.com, agross@...nel.org,
        bjorn.andersson@...aro.org, robdclark@...il.com, heiko@...ech.de,
        mst@...hat.com, jasowang@...hat.com,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        virtualization@...ts.linux-foundation.org
Cc:     Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH 6/6] iommu/rockchip: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/iommu/rockchip-iommu.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index b33cdd5aad81..c6d50396f4c2 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1138,7 +1138,6 @@ static int rk_iommu_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct rk_iommu *iommu;
-	struct resource *res;
 	int num_res = pdev->num_resources;
 	int err, i;
 
@@ -1156,10 +1155,7 @@ static int rk_iommu_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	for (i = 0; i < num_res; i++) {
-		res = platform_get_resource(pdev, IORESOURCE_MEM, i);
-		if (!res)
-			continue;
-		iommu->bases[i] = devm_ioremap_resource(&pdev->dev, res);
+		iommu->bases[i] = devm_platform_ioremap_resource(pdev, 0);
 		if (IS_ERR(iommu->bases[i]))
 			continue;
 		iommu->num_mmu++;
-- 
2.17.1