staging: comedi: addi_apci_3120: introduce apci3120_clr_timer2_interrupt()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Tue, 4 Nov 2014 17:54:07 +0000 (10:54 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 7 Nov 2014 17:33:59 +0000 (09:33 -0800)
A dummy read of APCI3120_CTR0_REG clears the timer 2 interrupt. Introduce a
helper function to clarify this.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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