Name
ata_exec_command_pio —
issue ATA command to host controller
Synopsis
void ata_exec_command_pio (struct ata_port * ap, const struct ata_taskfile * tf);
Arguments
ap
port to which command is being issued
tf
ATA taskfile register set
Description
Issues PIO write to ATA command register, with proper
synchronization with interrupt handler / other threads.
LOCKING
spin_lock_irqsave(host_set lock)