1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index 2b0e000d4377..5dfe86ebdc8b 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -500,14 +500,15 @@ static unsigned char sp5100_tco_setupdevice(void)
         /* Restore to the low three bits, if chipset is SB8x0(or later) */
         if (sp5100_tco_pci->revision >= 0x40) {
                 u8 reserved_bit;
-                reserved_bit = inb(base_addr) & 0x7;
+                outb(base_addr+0, index_reg);
+                reserved_bit = inb(data_reg) & 0x7;
                 val |= (u32)reserved_bit;
         }
 
         /* Re-programming the watchdog timer base address */
         outb(base_addr+0, index_reg);
         /* Low three bits of BASE are reserved */
-        outb((val >>  0) & 0xf8, data_reg);
+        outb((val >>  0) & 0xff, data_reg);
         outb(base_addr+1, index_reg);
         outb((val >>  8) & 0xff, data_reg);
         outb(base_addr+2, index_reg);