tty: serial8250: allow platforms to override irq handler

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Some ports (e.g. Synopsys DesignWare 8250) have special requirements for
handling the interrupts.  Allow these platforms to specify their own
interrupt handler that will override the default.
serial8250_handle_irq() is provided so that platforms can extend the IRQ
handler rather than completely replacing it.

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 10:17:52 +01:00 • committed by Greg Kroah-Hartman

parent a74036f512

commit 583d28e92f

2 changed files with 37 additions and 4 deletions

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39

drivers/tty/serial/8250.c

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2

include/linux/serial_8250.h

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