Memory Controller driver invokes SMMU driver registration and MC's
registers mapping is shared with SMMU. This mapping goes away if MC
driver probing fails after SMMU registration.
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
drivers/memory/tegra/mc.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index 49dd7ad1459f..22ec959db7d3 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -692,15 +692,6 @@ static int tegra_mc_probe(struct platform_device *pdev)
return err;
}
- if (IS_ENABLED(CONFIG_TEGRA_IOMMU_SMMU)) {
- mc->smmu = tegra_smmu_probe(&pdev->dev, mc->soc->smmu, mc);
- if (IS_ERR(mc->smmu)) {
- dev_err(&pdev->dev, "failed to probe SMMU: %ld\n",
- PTR_ERR(mc->smmu));
- return PTR_ERR(mc->smmu);
- }
- }
-
err = tegra_mc_reset_setup(mc);
if (err < 0) {
dev_err(&pdev->dev, "failed to register reset controller: %d\n",
@@ -726,6 +717,15 @@ static int tegra_mc_probe(struct platform_device *pdev)
return err;
}
+ if (IS_ENABLED(CONFIG_TEGRA_IOMMU_SMMU)) {
+ mc->smmu = tegra_smmu_probe(&pdev->dev, mc->soc->smmu, mc);
+ if (IS_ERR(mc->smmu)) {
+ dev_err(&pdev->dev, "failed to probe SMMU: %ld\n",
+ PTR_ERR(mc->smmu));
+ return PTR_ERR(mc->smmu);
+ }
+ }
+
return 0;
}
--
2.17.0
--
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