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

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Message-ID: <20210312010932.GB29926@Asurada-Nvidia>
Date:   Thu, 11 Mar 2021 17:09:33 -0800
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     joro@...tes.org, thierry.reding@...il.com, will@...nel.org,
        vdumpa@...dia.com, jonathanh@...dia.com,
        linux-tegra@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] iommu/tegra-smmu: Add pagetable mappings to debugfs

On Thu, Mar 11, 2021 at 05:04:06PM +0300, Dmitry Osipenko wrote:
> 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.

Okay. Will fix. Thanks!