From 5bbf6ce0a964c77d9522cf377fd7a4c4af030378 Mon Sep 17 00:00:00 2001 From: Gregory Herrero <gregory.herrero@intel.com> Date: Tue, 22 Sep 2015 15:16:48 +0200 Subject: [PATCH] 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> --- drivers/usb/dwc2/hcd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 257f9579705d2..de9d2e2bbf48d 100644 --- 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); -- 2.30.2