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