Name
ata_host_intr —
Handle host interrupt for given (port, task)
Synopsis
unsigned int ata_host_intr (struct ata_port * ap, struct ata_queued_cmd * qc);
Arguments
ap
Port on which interrupt arrived (possibly...)
qc
Taskfile currently active in engine
Description
Handle host interrupt for given queued command. Currently,
only DMA interrupts are handled. All other commands are
handled via polling with interrupts disabled (nIEN bit).
LOCKING
spin_lock_irqsave(host_set lock)
RETURNS
One if interrupt was handled, zero if not (shared irq).