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path: root/drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c
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Diffstat (limited to 'drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c')
-rw-r--r--drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c b/drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c
index 31368057e9be..29117444e5a0 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-nvidia.c
@@ -242,18 +242,10 @@ struct arm_smmu_device *nvidia_smmu_impl_init(struct arm_smmu_device *smmu)
struct nvidia_smmu *nvidia_smmu;
struct platform_device *pdev = to_platform_device(dev);
- nvidia_smmu = devm_kzalloc(dev, sizeof(*nvidia_smmu), GFP_KERNEL);
+ nvidia_smmu = devm_krealloc(dev, smmu, sizeof(*nvidia_smmu), GFP_KERNEL);
if (!nvidia_smmu)
return ERR_PTR(-ENOMEM);
- /*
- * Copy the data from struct arm_smmu_device *smmu allocated in
- * arm-smmu.c. The smmu from struct nvidia_smmu replaces the smmu
- * pointer used in arm-smmu.c once this function returns.
- * This is necessary to derive nvidia_smmu from smmu pointer passed
- * through arm_smmu_impl function calls subsequently.
- */
- nvidia_smmu->smmu = *smmu;
/* Instance 0 is ioremapped by arm-smmu.c. */
nvidia_smmu->bases[0] = smmu->base;
@@ -267,12 +259,5 @@ struct arm_smmu_device *nvidia_smmu_impl_init(struct arm_smmu_device *smmu)
nvidia_smmu->smmu.impl = &nvidia_smmu_impl;
- /*
- * Free the struct arm_smmu_device *smmu allocated in arm-smmu.c.
- * Once this function returns, arm-smmu.c would use arm_smmu_device
- * allocated as part of struct nvidia_smmu.
- */
- devm_kfree(dev, smmu);
-
return &nvidia_smmu->smmu;
}