Set a default trigger type for interrupts, otherwise if request_irq is
called without specifiying a trigger type, the interrupt will not
actually be enabled.
Acked-by: NAlessandro Rubini <rubini@unipv.it>
Acked-by: NLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: NRabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>