1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 3774c9b8dac9..8464ea1c36a1 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -231,6 +231,7 @@ static int __devinit cru_detect(unsigned long map_entry,
 
         cmn_regs.u1.reax = CRU_BIOS_SIGNATURE_VALUE;
 
+        set_memory_x((unsigned long)bios32_entrypoint, (2 * PAGE_SIZE));
         asminline_call(&cmn_regs, bios32_entrypoint);
 
         if (cmn_regs.u1.ral != 0) {
@@ -248,8 +249,10 @@ static int __devinit cru_detect(unsigned long map_entry,
                 if ((physical_bios_base + physical_bios_offset)) {
                         cru_rom_addr =
                                 ioremap(cru_physical_address, cru_length);
-                        if (cru_rom_addr)
+                        if (cru_rom_addr) {
+                                set_memory_x((unsigned long)cru_rom_addr, cru_length);
                                 retval = 0;
+                        }
                 }
 
                 printk(KERN_DEBUG "hpwdt: CRU Base Address:   0x%lx\n",