Re: [PATCH v2] iommu/tegra-smmu: Add pagetable mappings to debugfs

[Dmitry Osipenko]

10.03.2021 06:36, Nicolin Chen пишет:
...
> +static int tegra_smmu_mappings_show(struct seq_file *s, void *data)
> +{
> +	struct tegra_smmu_group_debug *group_debug = s->private;
> +	const struct tegra_smmu_swgroup *group;
> +	struct tegra_smmu_as *as;
> +	struct tegra_smmu *smmu;
> +	int pd_index, pt_index;

> +DEFINE_SHOW_ATTRIBUTE(tegra_smmu_mappings);
> +
>  static void tegra_smmu_debugfs_init(struct tegra_smmu *smmu)
>  {
> +	const struct tegra_smmu_soc *soc = smmu->soc;
> +	struct tegra_smmu_group_debug *group_debug;
> +	struct device *dev = smmu->dev;
> +	struct dentry *d;
> +	int i;

You should use unsigned types for everything that isn't signed.