alpha: use set_irq_chip and push down __do_IRQ to the machine types

Also kill superfluous IRQ_DISABLED initialization, since that's the
default state of the irq_desc[i].status field.

Tested-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/alpha/kernel/irq_pyxis.c b/arch/alpha/kernel/irq_pyxis.c
index 989ce46a0cf3..4e1904cd0fc0 100644
--- a/arch/alpha/kernel/irq_pyxis.c
+++ b/arch/alpha/kernel/irq_pyxis.c
@@ -119,8 +119,8 @@ init_pyxis_irqs(unsigned long ignore_mask)
         for (i = 16; i < 48; ++i) {
                 if ((ignore_mask >> i) & 1)
                         continue;
-                irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
-                irq_desc[i].chip = &pyxis_irq_type;
+                set_irq_chip_and_handler(i, &pyxis_irq_type, alpha_do_IRQ);
+                irq_desc[i].status |= IRQ_LEVEL;
         }
 
         setup_irq(16+7, &isa_cascade_irqaction);