diff options
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 4 | ||||
| -rw-r--r-- | drivers/memory/tegra/mc.c | 6 |
2 files changed, 4 insertions, 6 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 3a5c7dc6dc57..5182c7d6171e 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -982,10 +982,6 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev, u32 value; int err; - /* This can happen on Tegra20 which doesn't have an SMMU */ - if (!soc) - return NULL; - smmu = devm_kzalloc(dev, sizeof(*smmu), GFP_KERNEL); if (!smmu) return ERR_PTR(-ENOMEM); diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c index e684e234361a..3545868c51c0 100644 --- a/drivers/memory/tegra/mc.c +++ b/drivers/memory/tegra/mc.c @@ -695,11 +695,13 @@ static int tegra_mc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to register reset controller: %d\n", err); - if (IS_ENABLED(CONFIG_TEGRA_IOMMU_SMMU)) { + if (IS_ENABLED(CONFIG_TEGRA_IOMMU_SMMU) && mc->soc->smmu) { mc->smmu = tegra_smmu_probe(&pdev->dev, mc->soc->smmu, mc); - if (IS_ERR(mc->smmu)) + if (IS_ERR(mc->smmu)) { dev_err(&pdev->dev, "failed to probe SMMU: %ld\n", PTR_ERR(mc->smmu)); + mc->smmu = NULL; + } } if (IS_ENABLED(CONFIG_TEGRA_IOMMU_GART) && !mc->soc->smmu) { |