Messages in this thread | | | Date | Wed, 28 May 2008 23:39:09 +0900 | From | Tejun Heo <> | Subject | Re: [PATCH] libata: Handle bay devices in dock stations |
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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: Tejun Heo <htejun@gmail.com>
-- tejun
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