Wait for link to become ready
int ata_wait_ready(struct ata_link * link, unsigned long deadline, int (*check_ready) (struct ata_link *link));
link
link to be waited on
deadline
deadline jiffies for the operation
check_ready
callback to check link readiness
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.
EH context.
0 if linke is ready before deadline; otherwise, -errno.
Jeff Garzik
Author.