tty: serial: allow ports to override the irq handler

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Some serial ports may have unusal requirements for interrupt handling
(e.g. the Synopsys DesignWare 8250-alike port and it's busy detect
interrupt).  Add a .handle_irq callback that can be used for platforms
to override the interrupt behaviour in a similar fashion to the
.serial_out and .serial_in callbacks.

Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Jamie Iles 2011-08-15 10:17:51 +01:00 • committed by Greg Kroah-Hartman

parent 2a8d7bddf2

commit a74036f512

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include/linux/serial_core.h

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