target-alpha: lower parent irq when irq is lowered.

Signed-off-by: Tristan Gingold <gingold@adacore.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7108 c046a42c-6fe2-441c-8c8c-71466251a162

hw/i8259.c

diff --git a/hw/i8259.c b/hw/i8259.c
index f813525..adabd2b 100644
--- a/hw/i8259.c
+++ b/hw/i8259.c
@@ -169,7 +169,7 @@
     }
 
 /* all targets should do this rather than acking the IRQ in the cpu */
-#if defined(TARGET_MIPS) || defined(TARGET_PPC)
+#if defined(TARGET_MIPS) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
     else {
         qemu_irq_lower(s->parent_irq);
     }