The driver makes the assumption that interrupts are disabled but this cannot
be guaranteed. We'll explicity disable interrupts on the local processor while
the interrupt handler is running.
This eliminates the "IRQF_DISABLED is not guaranteed on shared IRQs" warning
when loading the driver.
Signed-off-by: Shaun Ruffell <sruffell@digium.com>
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10589 a0bf4364-ded3-4de4-8d8a-66a801d63aff