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PM: Update the policy on default wakeup settings

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This patch (as1485) documents a change to the kernel's default wakeup
policy.  Devices that forward wakeup requests between buses should be
enabled for wakeup by default.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Alan Stern
2011-09-26 17:38:50 +02:00
committed by Rafael J. Wysocki
parent 37cce26b32
commit 8f88893c05
2 changed files with 6 additions and 2 deletions
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4
drivers/base/power/wakeup.c
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@ -276,7 +276,9 @@ EXPORT_SYMBOL_GPL(device_set_wakeup_capable);
*
* By default, most devices should leave wakeup disabled. The exceptions are
* devices that everyone expects to be wakeup sources: keyboards, power buttons,
* possibly network interfaces, etc.
* possibly network interfaces, etc. Also, devices that don't generate their
* own wakeup requests but merely forward requests from one bus to another
* (like PCI bridges) should have wakeup enabled by default.
*/
int device_init_wakeup(struct device *dev, bool enable)
{