Merge branch 'bugzilla-9761' into release

[linux-2.6-omap-h63xx.git] / drivers / watchdog / hpwdt.c

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 6a63535fc04d31832304084d57f917c927b50cc6..2686f3eaeedf4c07f56eeafe21725977cd1a1ddc 100644 (file)
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -145,8 +145,8 @@ MODULE_DEVICE_TABLE(pci, hpwdt_devices);
 
 #define HPWDT_ARCH     32
 
-static void asminline_call(struct cmn_registers *pi86Regs,
-                          unsigned long *pRomEntry)
+asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
+                              unsigned long *pRomEntry)
 {
        asm("pushl       %ebp               \n\t"
            "movl        %esp, %ebp         \n\t"
@@ -333,8 +333,8 @@ static int __devinit detect_cru_service(void)
 
 #define HPWDT_ARCH     64
 
-static void asminline_call(struct cmn_registers *pi86Regs,
-                          unsigned long *pRomEntry)
+asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
+                              unsigned long *pRomEntry)
 {
        asm("pushq      %rbp            \n\t"
            "movq       %rsp, %rbp      \n\t"
@@ -418,20 +418,23 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason,
        static unsigned long rom_pl;
        static int die_nmi_called;
 
-       if (ulReason == DIE_NMI || ulReason == DIE_NMI_IPI) {
-               spin_lock_irqsave(&rom_lock, rom_pl);
-               if (!die_nmi_called)
-                       asminline_call(&cmn_regs, cru_rom_addr);
-               die_nmi_called = 1;
-               spin_unlock_irqrestore(&rom_lock, rom_pl);
-               if (cmn_regs.u1.ral != 0) {
-                       panic("An NMI occurred, please see the Integrated "
-                             "Management Log for details.\n");
-               }
+       if (ulReason != DIE_NMI && ulReason != DIE_NMI_IPI)
+               return NOTIFY_OK;
+
+       spin_lock_irqsave(&rom_lock, rom_pl);
+       if (!die_nmi_called)
+               asminline_call(&cmn_regs, cru_rom_addr);
+       die_nmi_called = 1;
+       spin_unlock_irqrestore(&rom_lock, rom_pl);
+       if (cmn_regs.u1.ral == 0) {
+               printk(KERN_WARNING "hpwdt: An NMI occurred, "
+                      "but unable to determine source.\n");
+       } else {
+               panic("An NMI occurred, please see the Integrated "
+                       "Management Log for details.\n");
        }
 
-       die_nmi_called = 0;
-       return NOTIFY_DONE;
+       return NOTIFY_STOP;
 }
 
 /*