tree 3b6ffb34023a252599b08b045db100a6ca6bfff7
parent 7531d8faa85f8880db433027bf2b04950e49baeb
author David Brownell <david-b@pacbell.net> 1164481767 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1164490113 -0800

[PATCH] rtc framework handles periodic irqs

The RTC framework has an irq_set_freq() method that should be used to manage
the periodic IRQ frequency, but the current ioctl logic doesn't know how to do
that.  This patch teaches it how.

This means that drivers implementing irq_set_freq() will automatically support
RTC_IRQP_{READ,SET} ioctls; that logic doesn't need duplication within the
driver.

[akpm@osdl.org: export rtc_irq_set_freq]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>