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authorYangtao Li <frank.li@vivo.com>2023-07-05 16:04:11 +0300
committerWill Deacon <will@kernel.org>2023-08-01 16:41:45 +0300
commit0a8c264d51ad3196a3239e731be51d2cc98f9337 (patch)
treed7823e7f406bf20c76e6e88f7eb598c55c1c93e9 /drivers/iommu/arm/arm-smmu
parent1672730cffaf56ea3f7b697d499d9697a34b77f1 (diff)
downloadlinux-0a8c264d51ad3196a3239e731be51d2cc98f9337.tar.xz
iommu/arm-smmu: Clean up resource handling during Qualcomm context probe
Convert to use devm_platform_ioremap_resource() and fix return value when platform_get_irq fails. Signed-off-by: Yangtao Li <frank.li@vivo.com> Link: https://lore.kernel.org/r/20230705130416.46710-1-frank.li@vivo.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/arm/arm-smmu')
-rw-r--r--drivers/iommu/arm/arm-smmu/qcom_iommu.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
index a503ed758ec3..abf798104830 100644
--- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c
+++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
@@ -633,7 +633,6 @@ static int qcom_iommu_ctx_probe(struct platform_device *pdev)
struct qcom_iommu_ctx *ctx;
struct device *dev = &pdev->dev;
struct qcom_iommu_dev *qcom_iommu = dev_get_drvdata(dev->parent);
- struct resource *res;
int ret, irq;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
@@ -643,14 +642,13 @@ static int qcom_iommu_ctx_probe(struct platform_device *pdev)
ctx->dev = dev;
platform_set_drvdata(pdev, ctx);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ctx->base = devm_ioremap_resource(dev, res);
+ ctx->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ctx->base))
return PTR_ERR(ctx->base);
irq = platform_get_irq(pdev, 0);
if (irq < 0)
- return -ENODEV;
+ return irq;
/* clear IRQs before registering fault handler, just in case the
* boot-loader left us a surprise: