1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c
index bb91b4713ebd..2e3ea1a70d7b 100644
--- a/drivers/tty/serial/8250/8250_gsc.c
+++ b/drivers/tty/serial/8250/8250_gsc.c
@@ -31,9 +31,8 @@ static int __init serial_init_chip(struct parisc_device *dev)
         int err;
 
 #ifdef CONFIG_64BIT
-        extern int iosapic_serial_irq(int cellnum);
         if (!dev->irq && (dev->id.sversion == 0xad))
-                dev->irq = iosapic_serial_irq(dev->mod_index-1);
+                dev->irq = iosapic_serial_irq(dev);
 #endif
 
         if (!dev->irq) {