usb: dwc2: host: disable interrupt during stop

Disable host interrupts before synchronising dwc2 irq.
So that interrupts are not generated once controller is stopped.

Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 257f9579705d2edee7668d79146e9b61fcda3fb6..de9d2e2bbf48d2ae239b435f10e3b8f530bc7183 100644 (file)
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2350,6 +2350,9 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd)
        struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
        unsigned long flags;
 
+       /* Turn off all host-specific interrupts */
+       dwc2_disable_host_interrupts(hsotg);
+
        /* Wait for interrupt processing to finish */
        synchronize_irq(hcd->irq);