</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>
</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);
allocates space for a legacy IDE PRD table and returns.
</para>
<para>
- ->port_stop() is called after ->host_stop(). It's sole function
+ ->port_stop() is called after ->host_stop(). Its sole function
is to release DMA/memory resources, now that they are no longer
actively being used. Many drivers also free driver-private
data from port at this time.