[MIPS] Transform old-style macros to newer "__noreturn"

Convert old/obsolete NORET_TYPE and ATTRIB_NORET macros to use the
newer standard of "__noreturn" as defined in compiler-gcc.h.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/dec/prom/init.c

@@ -86,7 +86,7 @@ void __init which_prom(s32 magic, s32 *prom_vec)
 
 void __init prom_init(void)
 {
-	extern void ATTRIB_NORET dec_machine_halt(void);
+	extern void dec_machine_halt(void);
 	static char cpu_msg[] __initdata =
 		"Sorry, this kernel is compiled for a wrong CPU type!\n";
 	s32 argc = fw_arg0;

arch/mips/dec/reset.c

@@ -9,26 +9,26 @@
 
 #include <asm/addrspace.h>
 
-typedef void ATTRIB_NORET (* noret_func_t)(void);
+typedef void __noreturn (* noret_func_t)(void);
 
-static inline void ATTRIB_NORET back_to_prom(void)
+static inline void __noreturn back_to_prom(void)
 {
 	noret_func_t func = (void *)CKSEG1ADDR(0x1fc00000);
 
 	func();
 }
 
-void ATTRIB_NORET dec_machine_restart(char *command)
+void __noreturn dec_machine_restart(char *command)
 {
 	back_to_prom();
 }
 
-void ATTRIB_NORET dec_machine_halt(void)
+void __noreturn dec_machine_halt(void)
 {
 	back_to_prom();
 }
 
-void ATTRIB_NORET dec_machine_power_off(void)
+void __noreturn dec_machine_power_off(void)
 {
     /* DECstations don't have a software power switch */
 	back_to_prom();

arch/mips/kernel/process.c

@@ -46,7 +46,7 @@
  * power and have a low exit latency (ie sit in a loop waiting for somebody to
  * say that they'd like to reschedule)
  */
-ATTRIB_NORET void cpu_idle(void)
+void __noreturn cpu_idle(void)
 {
 	/* endless idle loop with no priority at all */
 	while (1) {
@@ -213,7 +213,7 @@ int dump_task_fpu (struct task_struct *t, elf_fpregset_t *fpr)
 /*
  * Create a kernel thread
  */
-static ATTRIB_NORET void kernel_thread_helper(void *arg, int (*fn)(void *))
+static void __noreturn kernel_thread_helper(void *arg, int (*fn)(void *))
 {
 	do_exit(fn(arg));
 }

arch/mips/kernel/smp.c

@@ -52,7 +52,7 @@ EXPORT_SYMBOL(phys_cpu_present_map);
 EXPORT_SYMBOL(cpu_online_map);
 
 extern void __init calibrate_delay(void);
-extern ATTRIB_NORET void cpu_idle(void);
+extern void cpu_idle(void);
 
 /*
  * First C code run on the secondary CPUs after being started up by

arch/mips/kernel/traps.c

@@ -311,7 +311,7 @@ void show_registers(struct pt_regs *regs)
 
 static DEFINE_SPINLOCK(die_lock);
 
-NORET_TYPE void ATTRIB_NORET die(const char * str, struct pt_regs * regs)
+void __noreturn die(const char * str, struct pt_regs * regs)
 {
 	static int die_counter;
 #ifdef CONFIG_MIPS_MT_SMTC

arch/mips/sgi-ip22/ip22-reset.c

@@ -46,7 +46,7 @@ static struct timer_list power_timer, blink_timer, debounce_timer, volume_timer;
 
 static int machine_state;
 
-static void ATTRIB_NORET sgi_machine_power_off(void)
+static void __noreturn sgi_machine_power_off(void)
 {
 	unsigned int tmp;
 
@@ -68,7 +68,7 @@ static void ATTRIB_NORET sgi_machine_power_off(void)
 	}
 }
 
-static void ATTRIB_NORET sgi_machine_restart(char *command)
+static void __noreturn sgi_machine_restart(char *command)
 {
 	if (machine_state & MACHINE_SHUTTING_DOWN)
 		sgi_machine_power_off();
@@ -76,7 +76,7 @@ static void ATTRIB_NORET sgi_machine_restart(char *command)
 	while (1);
 }
 
-static void ATTRIB_NORET sgi_machine_halt(void)
+static void __noreturn sgi_machine_halt(void)
 {
 	if (machine_state & MACHINE_SHUTTING_DOWN)
 		sgi_machine_power_off();

arch/mips/sibyte/cfe/setup.c

@@ -62,7 +62,7 @@ extern unsigned long initrd_start, initrd_end;
 extern int kgdb_port;
 #endif
 
-static void ATTRIB_NORET cfe_linux_exit(void *arg)
+static void __noreturn cfe_linux_exit(void *arg)
 {
 	int warm = *(int *)arg;
 
@@ -83,14 +83,14 @@ static void ATTRIB_NORET cfe_linux_exit(void *arg)
 	while (1);
 }
 
-static void ATTRIB_NORET cfe_linux_restart(char *command)
+static void __noreturn cfe_linux_restart(char *command)
 {
 	static const int zero;
 
 	cfe_linux_exit((void *)&zero);
 }
 
-static void ATTRIB_NORET cfe_linux_halt(void)
+static void __noreturn cfe_linux_halt(void)
 {
 	static const int one = 1;