ATA_WAIT_READY(9) libata Core Internals ATA_WAIT_READY(9)
NAME ata_wait_ready - wait for link to become ready
SYNOPSIS int ata_wait_ready(struct ata_link * link, unsigned long deadline, int (*check_ready) (struct ata_link *link));
ARGUMENTS link link to be waited on
deadline deadline jiffies for the operation
check_ready callback to check link readiness
DESCRIPTION Wait for link to become ready. check_ready should return positive number if link is ready, 0 if it isn´t, -ENODEV if link doesn´t seem to be occupied, other errno for other error conditions.
Transient -ENODEV conditions are allowed for ATA_TMOUT_FF_WAIT.
LOCKING EH context.
RETURNS 0 if linke is ready before deadline; otherwise, -errno.
AUTHOR Jeff Garzik Author.
COPYRIGHT Kernel Hackers Manual 2.6. July 2015 ATA_WAIT_READY(9)