redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

soc/tegra: pmc: Don't power-up XUSB power-domains 

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>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
hifive-unleashed-5.1
Jon Hunter 2018-09-28 15:11:49 +01:00 committed by Thierry Reding
parent 651022382c
commit 3bb2f843c0
1 changed files with 0 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/soc/tegra/pmc.c
View File

@ -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 %pOFn: %d\n", np,