NAME
ata_check_status_mmio - Read device status reg & clear interrupt
SYNOPSIS
u8 ata_check_status_mmio (struct ata_port * ap);
ARGUMENTS
ap port where the device is
DESCRIPTION
Reads ATA taskfile status register for currently-selected device via
MMIO and return its value. This also clears pending interrupts from
this device
LOCKING
Inherited from caller.
AUTHOR
Jeff Garzik.