linux-kernel - [PATCH 3/5] iommu/arm-smmu: Use devm_ioremap

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Message-Id: <1383217687-12037-4-git-send-email-tushar.behera@linaro.org>
Date:	Thu, 31 Oct 2013 16:38:05 +0530
From:	Tushar Behera <tushar.behera@...aro.org>
To:	linux-kernel@...r.kernel.org
Cc:	patches@...aro.org, linux-arm-kernel@...ts.infradead.org,
	iommu@...ts.linux-foundation.org,
	Will Deacon <will.deacon@....com>,
	Joerg Roedel <joro@...tes.org>
Subject: [PATCH 3/5] iommu/arm-smmu: Use devm_ioremap_resource

While at it, propagate the error code.

Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
CC: linux-arm-kernel@...ts.infradead.org
CC: iommu@...ts.linux-foundation.org
CC: Will Deacon <will.deacon@....com>
CC: Joerg Roedel <joro@...tes.org>
---
 drivers/iommu/arm-smmu.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 2349d62..fe275b3 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1790,9 +1790,9 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev)
 	}
 
 	smmu->size = resource_size(res);
-	smmu->base = devm_request_and_ioremap(dev, res);
-	if (!smmu->base)
-		return -EADDRNOTAVAIL;
+	smmu->base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(smmu->base))
+		return PTR_ERR(smmu->base);
 
 	if (of_property_read_u32(dev->of_node, "#global-interrupts",
 				 &smmu->num_global_irqs)) {
-- 
1.7.9.5

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