usb: dwc3: gadget: synchronize_irq dwc irq in suspend
We see dwc3 endpoint stopped by unwanted irq during suspend resume test, which is caused dwc3 ep can't be started with error "No Resource". Here, add synchronize_irq before suspend to sync the pending IRQ handlers complete. Signed-off-by: Bo He <bo.he@intel.com> Signed-off-by: Yu Wang <yu.y.wang@intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -3379,6 +3379,8 @@ int dwc3_gadget_suspend(struct dwc3 *dwc)
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dwc3_disconnect_gadget(dwc);
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__dwc3_gadget_stop(dwc);
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synchronize_irq(dwc->irq_gadget);
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return 0;
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}
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