[PATCH V2 4/5] soc/tegra: pmc: Don't power-up XUSB power-domains

Jon Hunter
2018-09-28T14:11:49Z

Now that the Tegra xHCI driver manages the XUSB power-domains itself,
remove the code to power-up the power-domains used by the xHCI device
from the PMC driver on boot.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
drivers/soc/tegra/pmc.c | 16 ----------------
1 file changed, 16 deletions(-)

diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index ab719fa90150..a68b4476b4ee 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -847,22 +847,6 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np)
goto remove_resets;
}

- /*
- * 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)) {
- if (off)
- WARN_ON(tegra_powergate_power_up(pg, true));
-
- goto remove_resets;
- }
-
err = pm_genpd_init(&pg->genpd, NULL, off);
if (err < 0) {
pr_err("failed to initialise PM domain %s: %d\n", np->name,
--
2.7.4