Uwe Kleine-König 4d845a62b3 serial: imx: let irq handler return IRQ_NONE if no event was handled
This gives the irq core a chance to disable the serial interrupt in case
an event isn't cleared in the handler.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
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