serial: 8250: Separate legacy irq handling from core port operations

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Prepare for 8250 split; decouple irq setup/teardown and handler from
core port operations.

Introduce setup_irq() and release_irq() 8250 driver methods; the 8250
core will use these methods to install and remove irq handling for
the given 8250 port.

Refactor irq chain linking/unlinking from 8250 core into
univ8250_setup_irq()/univ8250_release_irq() for the universal 8250 driver.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Peter Hurley 2015-02-24 14:25:07 -05:00 • committed by Greg Kroah-Hartman

parent 6e28157173

commit a4416cd1ac

2 changed files with 68 additions and 30 deletions

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83

drivers/tty/serial/8250/8250_core.c

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15

include/linux/serial_8250.h

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