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.

RETURN
       0 if link is ready before deadline; otherwise, -errno.

AUTHOR
       Jeff Garzik
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                         ATA_WAIT_READY(9)