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iommu/tegra-smmu: Add debugfs support

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Provide clients and swgroups files in debugfs. These files show for
which clients IOMMU translation is enabled and which ASID is associated
with each SWGROUP.

Cc: Hiroshi Doyu <[email protected]>
Acked-by: Joerg Roedel <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
This commit is contained in:
Thierry Reding 2015-01-23 09:49:25 +01:00
commit d1313e7896
2 changed files with 114 additions and 0 deletions
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5
include/soc/tegra/mc.h
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@ -72,6 +72,7 @@ struct tegra_smmu;
struct tegra_smmu *tegra_smmu_probe(struct device *dev,
const struct tegra_smmu_soc *soc,
struct tegra_mc *mc);
void tegra_smmu_remove(struct tegra_smmu *smmu);
#else
static inline struct tegra_smmu *
tegra_smmu_probe(struct device *dev, const struct tegra_smmu_soc *soc,
@ -79,6 +80,10 @@ tegra_smmu_probe(struct device *dev, const struct tegra_smmu_soc *soc,
{
return NULL;
}
static inline void tegra_smmu_remove(struct tegra_smmu *smmu)
{
}
#endif
struct tegra_mc_soc {