USB_HCD_IRQ(9) | Host Controller APIs | USB_HCD_IRQ(9) |
NAME¶
usb_hcd_irq - hook IRQs to HCD framework (bus glue)
SYNOPSIS¶
irqreturn_t usb_hcd_irq(int irq, void * __hcd);
ARGUMENTS¶
irq
the IRQ being raised
__hcd
pointer to the HCD whose IRQ is being signaled
DESCRIPTION¶
If the controller isn't HALTed, calls the driver's irq handler. Checks whether the controller is now dead.
RETURN¶
IRQ_HANDLED if the IRQ was handled. IRQ_NONE otherwise.
COPYRIGHT¶
June 2024 | Kernel Hackers Manual 3.10 |