diff options
Diffstat (limited to 'drivers/soc/tegra')
| -rw-r--r-- | drivers/soc/tegra/pmc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 7199726198e1..71c834f3847e 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -837,6 +837,18 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) if (!IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) goto power_on_cleanup; + /* + * FIXME: If XHCI is enabled for Tegra, then power-up the XUSB + * host and super-speed partitions. Once the XHCI driver + * manages the partitions itself this code can be removed. Note + * that we don't register these partitions with the genpd core + * to avoid it from powering down the partitions as they appear + * to be unused. + */ + if (IS_ENABLED(CONFIG_USB_XHCI_TEGRA) && + (id == TEGRA_POWERGATE_XUSBA || id == TEGRA_POWERGATE_XUSBC)) + goto power_on_cleanup; + pm_genpd_init(&pg->genpd, NULL, off); err = of_genpd_add_provider_simple(np, &pg->genpd); |