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usb: dwc2: gadget: Prevent handling of host interrupts

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In host slave mode, the core asserts the rxready, txfifoempty interrupts
that get serviced in the gadget irq handler. Prevent servicing of these
when not in the gadget mode of operation.

Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Vardan Mikayelyan 2016-04-27 20:20:48 -07:00 committed by Felipe Balbi
parent 8c3d609275
commit ee3de8d750
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/dwc2/gadget.c
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@ -2425,6 +2425,9 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw)
u32 gintsts;
u32 gintmsk;
if (!dwc2_is_device_mode(hsotg))
return IRQ_NONE;
spin_lock(&hsotg->lock);
irq_retry:
gintsts = dwc2_readl(hsotg->regs + GINTSTS);