Quoting Sai Prakash Ranjan (2019-09-17 02:45:04)
> diff --git a/drivers/iommu/arm-smmu-impl.c b/drivers/iommu/arm-smmu-impl.c
> index 3f88cd078dd5..d62da270f430 100644
> --- a/drivers/iommu/arm-smmu-impl.c
> +++ b/drivers/iommu/arm-smmu-impl.c
> @@ -9,7 +9,6 @@
>
> #include "arm-smmu.h"
>
> -
> static int arm_smmu_gr0_ns(int offset)
> {
> switch(offset) {
Why is this hunk still around?
> diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c
> new file mode 100644
> index 000000000000..24c071c1d8b0
> --- /dev/null
> +++ b/drivers/iommu/arm-smmu-qcom.c
> @@ -0,0 +1,51 @@
[...]
> +struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)
> +{
> + struct qcom_smmu *qsmmu;
> +
> + qsmmu = devm_kzalloc(smmu->dev, sizeof(*qsmmu), GFP_KERNEL);
> + if (!qsmmu)
> + return ERR_PTR(-ENOMEM);
> +
> + qsmmu->smmu = *smmu;
> +
> + qsmmu->smmu.impl = &qcom_smmu_impl;
> + devm_kfree(smmu->dev, smmu);
This copy is interesting but OK I guess cavium does it.
> +
> + return &qsmmu->smmu;
> +}
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