As the PHY subsystem already synchronizes concurrent accesses to a PHY
instance with a core-internal mutex remove the driver specific mutex
synchronization.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
---
v1->v2:
- New patch
---
 drivers/usb/host/xhci-tegra.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index 8b492871d21d..927861ca14f2 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -1357,15 +1357,11 @@ static void tegra_xhci_id_work(struct work_struct *work)
 
 	dev_dbg(tegra->dev, "host mode %s\n", str_on_off(tegra->host_mode));
 
-	mutex_lock(&tegra->lock);
-
 	if (tegra->host_mode)
 		phy_set_mode_ext(phy, PHY_MODE_USB_OTG, USB_ROLE_HOST);
 	else
 		phy_set_mode_ext(phy, PHY_MODE_USB_OTG, USB_ROLE_NONE);
 
-	mutex_unlock(&tegra->lock);
-
 	tegra->otg_usb3_port = tegra_xusb_padctl_get_usb3_companion(tegra->padctl,
 								    tegra->otg_usb2_port);
 

-- 
2.52.0