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);