Commit 5bbf6ce0 authored Sep 22, 2015 by Gregory Herrero Committed by Felipe Balbi Oct 01, 2015

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>

parent 77dbf713

drivers/usb/dwc2/hcd.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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);