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-rw-r--r--cpu/ppc4xx/interrupts.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c
index 90899dd..c0e51f9 100644
--- a/cpu/ppc4xx/interrupts.c
+++ b/cpu/ppc4xx/interrupts.c
@@ -430,7 +430,10 @@ void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
#endif /* CONFIG_440_GX */
#endif /* CONFIG_440 */
- if (irqa[i].handler != NULL) {
+ /*
+ * print warning when replacing with a different irq vector
+ */
+ if ((irqa[i].handler != NULL) && (irqa[i].handler != handler)) {
printf ("Interrupt vector %d: handler 0x%x replacing 0x%x\n",
vec, (uint) handler, (uint) irqa[i].handler);
}