ARM: restart: remove local_irq_disable() from within arch_reset()

IRQs are already disabled by the time arch_reset() is called, so these
calls to local_irq_disable() instead arch_reset() are redundant.  Remove
them.

Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ep93xx/include/mach/system.h

@@ -11,8 +11,6 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-	local_irq_disable();
-
 	/*
 	 * Set then clear the SWRST bit to initiate a software reset
 	 */

arch/arm/mach-iop32x/include/mach/system.h

@@ -18,8 +18,6 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-	local_irq_disable();
-
 	if (machine_is_n2100()) {
 		gpio_line_set(N2100_HARDWARE_RESET, GPIO_LOW);
 		gpio_line_config(N2100_HARDWARE_RESET, GPIO_OUT);

arch/arm/mach-ixp2000/include/mach/system.h

@@ -19,8 +19,6 @@ static inline void arch_idle(void)
 
 static inline void arch_reset(char mode, const char *cmd)
 {
-	local_irq_disable();
-
 	/*
 	 * Reset flash banking register so that we are pointing at
 	 * RedBoot bank.

arch/arm/mach-lpc32xx/include/mach/system.h

@@ -33,9 +33,6 @@ static inline void arch_reset(char mode, const char *cmd)
 	case 'h':
 		printk(KERN_CRIT "RESET: Rebooting system\n");
 
-		/* Disable interrupts */
-		local_irq_disable();
-
 		lpc32xx_watchdog_reset();
 		break;
 

arch/arm/mach-shark/core.c

@@ -29,7 +29,6 @@
 void arch_reset(char mode, const char *cmd)
 {
         short temp;
-        local_irq_disable();
         /* Reset the Machine via pc[3] of the sequoia chipset */
         outw(0x09,0x24);
         temp=inw(0x26);

arch/arm/mach-u300/include/mach/system.h

@@ -27,8 +27,6 @@ static void arch_reset(char mode, const char *cmd)
 	case 's':
 	case 'h':
 		printk(KERN_CRIT "RESET: shutting down/rebooting system\n");
-		/* Disable interrupts */
-		local_irq_disable();
 #ifdef CONFIG_COH901327_WATCHDOG
 		coh901327_watchdog_reset();
 #endif