linux-kernel - [PATCH 4/6] iommu/ipmmu-vmsa: convert to devm_platform_ioremap

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Message-Id: <20191223185918.9877-5-tiny.windzz@gmail.com>
Date:   Mon, 23 Dec 2019 18:59:16 +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 4/6] iommu/ipmmu-vmsa: 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/ipmmu-vmsa.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index d02edd2751f3..3124e28fee85 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -1015,7 +1015,6 @@ static const struct of_device_id ipmmu_of_ids[] = {
 static int ipmmu_probe(struct platform_device *pdev)
 {
 	struct ipmmu_vmsa_device *mmu;
-	struct resource *res;
 	int irq;
 	int ret;
 
@@ -1033,8 +1032,7 @@ static int ipmmu_probe(struct platform_device *pdev)
 	dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(40));
 
 	/* Map I/O memory and request IRQ. */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mmu->base = devm_ioremap_resource(&pdev->dev, res);
+	mmu->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mmu->base))
 		return PTR_ERR(mmu->base);
 
-- 
2.17.1