linux-kernel - [PATCH 08/27] drivers/iommu: don't check resource with devm_ioremap

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Message-Id: <1374602524-3398-9-git-send-email-wsa@the-dreams.de>
Date:	Tue, 23 Jul 2013 20:01:41 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	linux-kernel@...r.kernel.org
Cc:	Wolfram Sang <wsa@...-dreams.de>,
	Stephen Warren <swarren@...dotorg.org>,
	linux-tegra@...r.kernel.org
Subject: [PATCH 08/27] drivers/iommu: don't check resource with devm_ioremap_resource

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
---
Please apply via the subsystem-tree.

 drivers/iommu/tegra-smmu.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index f6f120e..e066560 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1177,8 +1177,6 @@ static int tegra_smmu_probe(struct platform_device *pdev)
 		struct resource *res;
 
 		res = platform_get_resource(pdev, IORESOURCE_MEM, i);
-		if (!res)
-			return -ENODEV;
 		smmu->regs[i] = devm_ioremap_resource(&pdev->dev, res);
 		if (IS_ERR(smmu->regs[i]))
 			return PTR_ERR(smmu->regs[i]);
-- 
1.7.10.4

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