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| author | Thierry Reding <treding@nvidia.com> | 2021-06-03 19:46:24 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-06-03 22:50:43 +0300 |
| commit | 393d66fd2cacba3e6aa95d7bb38790bfb7b1cc3a (patch) | |
| tree | 2659dd600a48857c1e26d73acf7b3e2c35956cd2 /drivers/memory/tegra/mc.c | |
| parent | 8fd9f632ba93c0291a73be25ddd3f22631cd1052 (diff) | |
| download | linux-393d66fd2cacba3e6aa95d7bb38790bfb7b1cc3a.tar.xz | |
memory: tegra: Implement SID override programming
Instead of programming all SID overrides during early boot, perform the
operation on-demand after the SMMU translations have been set up for a
device. This reuses data from device tree to match memory clients for a
device and programs the SID specified in device tree, which corresponds
to the SID used for the SMMU context banks for the device.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210603164632.1000458-2-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'drivers/memory/tegra/mc.c')
| -rw-r--r-- | drivers/memory/tegra/mc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c index 11b83de9361c..3c5aae7abf35 100644 --- a/drivers/memory/tegra/mc.c +++ b/drivers/memory/tegra/mc.c @@ -97,6 +97,15 @@ struct tegra_mc *devm_tegra_memory_controller_get(struct device *dev) } EXPORT_SYMBOL_GPL(devm_tegra_memory_controller_get); +int tegra_mc_probe_device(struct tegra_mc *mc, struct device *dev) +{ + if (mc->soc->ops && mc->soc->ops->probe_device) + return mc->soc->ops->probe_device(mc, dev); + + return 0; +} +EXPORT_SYMBOL_GPL(tegra_mc_probe_device); + static int tegra_mc_block_dma_common(struct tegra_mc *mc, const struct tegra_mc_reset *rst) { |