Re: [PATCH] libata: Handle bay devices in dock stations

[Jeff Garzik <jeff@garzik.org>]

Matthew Garrett wrote:
> On Tue, Jun 03, 2008 at 08:27:59PM +0200, Holger Macht wrote:
>> * Differentiate between bay devices in dock stations and others:
>>
>>  - When an ACPI_NOTIFY_EJECT_REQUEST appears, just signal uevent to
>>    userspace (that is when the optional eject button on a bay device is
>>    pressed/pulled) giving the possibility to unmount file systems and to
>>    clean up. Also, only send uevent in case we get an EJECT_REQUEST
>>    without doing anything else. In other cases, you'll get an add/remove
>>    event because libata attaches/detaches the device.
>>
>>  - In case of a dock event, which in turn signals an
>>    ACPI_NOTIFY_EJECT_REQUEST, immediately detach the device, because it
>>    may already have been gone
>>
>> * In case of an ACPI_NOTIFY_DEVICE/BUS_CHECK, evaluate _STA to check if
>>   the device has been plugged or unplugged. If plugged, hotplug it, if
>>   unplugged, just signal event to userspace
>>   (initial patch by Matthew Garrett <mjg59@srcf.ucam.org>)
>>
>> * Call ACPI _EJ0 for detached devices
>>
>> Signed-off-by: Holger Macht <hmacht@suse.de>
> 
> Acked-by: Matthew Garrett <mjg@redhat.com>

thanks, both!