MLK-17110 usb: dwc3: use system_freezable_wq for role change work

To avoid deadlock after system resume if the role changes notification
is sent while system resume, we need to drain the work handling until
thawed.

Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 39a0349..65584d2 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -173,7 +173,7 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode)
        dwc->desired_dr_role = mode;
        spin_unlock_irqrestore(&dwc->lock, flags);
 
-       queue_work(system_power_efficient_wq, &dwc->drd_work);
+       queue_work(system_freezable_wq, &dwc->drd_work);
 }
 
 static int dwc3_set_suspend_clk(struct dwc3 *dwc)