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ACPI: Set flag DOCK_UNDOCKING when triggered via sysfs 

begin_undock() is only called when triggered via a acpi notify handler
(pressing the undock button on the dock station), but complete_undock() is
always called after the eject. So if a undock is triggered through a sysfs
write, the flag DOCK_UNDOCKING has to be set for the dock station,
too. Otherwise this will freeze the system hard.

Signed-off-by: Holger Macht <hmacht@suse.de>
Acked-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
hifive-unleashed-5.1
Holger Macht 2008-03-12 01:07:27 +01:00 committed by Len Brown
parent baadac8b10
commit 9171f83488
1 changed files with 1 additions and 0 deletions
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drivers/acpi/dock.c
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@ -710,6 +710,7 @@ static ssize_t write_undock(struct device *dev, struct device_attribute *attr,
if (!count)
return -EINVAL;
begin_undock(dock_station);
ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST);
return ret ? ret: count;
}