serial: core: delete .set_wake() callback
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 <rjw@sisk.pl> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -264,10 +264,6 @@ hardware.
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Locking: none.
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Interrupts: caller dependent.
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set_wake(port,state)
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Enable/disable power management wakeup on serial activity. Not
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currently implemented.
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type(port)
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Return a pointer to a string constant describing the specified
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port, or return NULL, in which case the string 'unknown' is
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@ -66,7 +66,6 @@ struct uart_ops {
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void (*set_ldisc)(struct uart_port *, int new);
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void (*pm)(struct uart_port *, unsigned int state,
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unsigned int oldstate);
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int (*set_wake)(struct uart_port *, unsigned int state);
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/*
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* Return a string describing the type of the port
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