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serial: core: delete .set_wake() callback

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This deletes the .set_wake() callback in the struct uart_ops.
Apparently this has been unused since pre-git times. In the
old-2.6-bkcvs it is deleted as part of a changeset removing
the PM_SET_WAKEUP from pm_request_t which is since also deleted
from the kernel.

The apropriate way to set wakeups in the kernel is to have a
code snippet like this in .suspend() or .runtime_suspend()
callbacks:

static int foo_suspend(struct device *dev)
{
	if (device_may_wakeup(dev)) {
		/* Enable wakeups, set internal states */
	}
}

This specific callback is not coming back.

Cc: Rafael J. Wysocki <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Dmitry Artamonow <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Linus Walleij 2013-10-15 09:20:52 +02:00 • committed by Greg Kroah-Hartman
commit fa2b5ea09e
2 changed files with 0 additions and 5 deletions
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4
Documentation/serial/driver
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@ -264,10 +264,6 @@ hardware.
Locking: none.
Interrupts: caller dependent.
set_wake(port,state)
Enable/disable power management wakeup on serial activity. Not
currently implemented.
type(port)
Return a pointer to a string constant describing the specified
port, or return NULL, in which case the string 'unknown' is