On 2023-11-06 03:02:42 [+0000], Li, Meng wrote: > > Good. Meng Li, can you test a patch that replaces the > > local_irq_disable() - usb_hcd_irq() - local_irq_enable() lines with a single call to > > generic_handle_irq_safe()? > > It needs an irq number as parameter, what I should pass to this > function, 0 or dev->irq or other value? dev->irq is what it asks for. I would really appreciate if you would instead use the sysfs interface to remove the device prior physically removing it. This should solve your trouble. > Thanks, > Limeng Sebastian