Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (49 commits)
  libata-sff: separate out BMDMA qc_issue
  libata-sff: prd is BMDMA specific
  libata-sff: ata_sff_[dumb_]qc_prep are BMDMA specific
  libata-sff: separate out BMDMA EH
  libata-sff: port_task is SFF specific
  libata-sff: ap->[last_]ctl are SFF specific
  libata-sff: rename ap->ops->drain_fifo() to sff_drain_fifo()
  libata-sff: introduce ata_sff_init/exit() and ata_sff_port_init()
  libata-sff: clean up BMDMA initialization
  libata-sff: clean up inheritance in several drivers
  libata-sff: reorder SFF/BMDMA functions
  sata_inic162x: kill PORT_PRD_ADDR initialization
  libata: kill ATA_FLAG_DISABLED
  libata-sff: kill unused prototype and make ata_dev_select() static
  libata-sff: update bmdma host bus error handling
  sata_mv: remove unnecessary initialization
  sata_inic162x: inic162x is not dependent on CONFIG_ATA_SFF
  pata_sch: use ata_pci_sff_init_one()
  pata_sil680: Do our own exec_command posting
  libata: Remove excess delay in the tf_load path
  ...

1 files changed, 14 insertions, 4 deletions

diff --git a/Documentation/DocBook/libata.tmpl b/Documentation/DocBook/libata.tmpl
index 265c08c96fcd..8c5411cfeaf0 100644
--- a/Documentation/DocBook/libata.tmpl
+++ b/Documentation/DocBook/libata.tmpl
@@ -81,16 +81,14 @@ void (*port_disable) (struct ata_port *);
         </programlisting>
 
         <para>
-        Called from ata_bus_probe() and ata_bus_reset() error paths,
-        as well as when unregistering from the SCSI module (rmmod, hot
-        unplug).
+        Called from ata_bus_probe() error path, as well as when
+        unregistering from the SCSI module (rmmod, hot unplug).
         This function should do whatever needs to be done to take the
         port out of use.  In most cases, ata_port_disable() can be used
         as this hook.
         </para>
         <para>
         Called from ata_bus_probe() on a failed probe.
-        Called from ata_bus_reset() on a failed bus reset.
         Called from ata_scsi_release().
         </para>
 
@@ -227,6 +225,18 @@ u8   (*sff_check_altstatus)(struct ata_port *ap);
 
         </sect2>
 
+        <sect2><title>Write specific ATA shadow register</title>
+        <programlisting>
+void (*sff_set_devctl)(struct ata_port *ap, u8 ctl);
+        </programlisting>
+
+        <para>
+        Write the device control ATA shadow register to the hardware.
+        Most drivers don't need to define this.
+        </para>
+
+        </sect2>
+
         <sect2><title>Select ATA device on bus</title>
         <programlisting>
 void (*sff_dev_select)(struct ata_port *ap, unsigned int device);