DragonFly-2.3.1.210.g22181 master sys/dev/disk/ahci ahci.c

commit 22181ab7f0b0036d75f4dbb892841b470550c527
Author: Matthew Dillon <[e-mail]>
Date:   Tue Jun 9 02:30:21 2009 -0700

    AHCI - Improve hot-plug sequencing.
    
    * Properly either fail or restart outstanding commands when we get a PCS
      interrupt, based on the event we determined to have occurred.
    
      NOTE: A PCS event stops command processing, so at the very least command
      processing must be restarted by cycling the port.
    
    * Reset the port's ap->ap_state when a hotplug-insertion is detected, so
      the port has a chance to get out of its failed state.

Summary of changes:
 sys/dev/disk/ahci/ahci.c |   81 ++++++++++++++++++++++++++++++++++-----------
 1 files changed, 61 insertions(+), 20 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/22181ab7f0b0036d75f4dbb892841b470550c527


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