Re: [PATCH 1/5] iommu/tegra-smmu: Unwrap tegra_smmu_group_get

Nicolin Chen
2020-09-28T19:38:50Z

Hi Thierry,

Thanks for the review.

On Mon, Sep 28, 2020 at 09:13:56AM +0200, Thierry Reding wrote:
> > -static struct iommu_group *tegra_smmu_group_get(struct tegra_smmu *smmu,
> > - unsigned int swgroup)
> > +static struct iommu_group *tegra_smmu_device_group(struct device *dev)
> > {
> > + struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
> > + struct tegra_smmu *smmu = dev_iommu_priv_get(dev);
> > const struct tegra_smmu_group_soc *soc;
> > struct tegra_smmu_group *group;
> > + int swgroup = fwspec->ids[0];
>
> This should be unsigned int to match the type of swgroup elsewhere.
> Also, it might not be worth having an extra local variable for this
> since it's only used once.

Will change to unsigned int. There are actually a few places using
it in this function, previously tegra_smmu_group_get().