linux-kernel - [PATCH 5/6] iommu/ipmmu-vmsa: Convert to devm_platform_ioremap

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Message-Id: <20230705130416.46710-5-frank.li@vivo.com>
Date:   Wed,  5 Jul 2023 21:04:15 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>
Cc:     Yangtao Li <frank.li@...o.com>, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/6] iommu/ipmmu-vmsa: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@...o.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 9f64c5c9f5b9..01cf577e597c 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -976,7 +976,6 @@ 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;
 
@@ -996,8 +995,7 @@ static int ipmmu_probe(struct platform_device *pdev)
 		return ret;
 
 	/* 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);
 
-- 
2.39.0