staging: comedi: quatech_daqp_cs: handle shared interrupt

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This is a PCMCIA driver and interrupts are always shared. Detect if
the hardware did not produce the interrupt and return IRQ_NONE so
that other drivers might handle it.

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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H Hartley Sweeten 2015-10-05 14:23:07 -07:00 • committed by Greg Kroah-Hartman

parent f676376d69

commit 77e7c200f3

1 changed files with 3 additions and 0 deletions

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drivers/staging/comedi/drivers/quatech_daqp_cs.c

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