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 3.10 June 2014 ATA_WAIT_READY(9)
