[ARM] 3852/1: convert atomic bitops and __xchg over to raw_local_irq_{save,restore}

Thomas Gleixner noticed that bitops.h should also use the raw_* irq
disable/enable variants, and __xchg needs them as well.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/bitops.h

@@ -37,9 +37,9 @@ static inline void ____atomic_set_bit(unsigned int bit, volatile unsigned long *
 
 	p += bit >> 5;
 
-	local_irq_save(flags);
+	raw_local_irq_save(flags);
 	*p |= mask;
-	local_irq_restore(flags);
+	raw_local_irq_restore(flags);
 }
 
 static inline void ____atomic_clear_bit(unsigned int bit, volatile unsigned long *p)
@@ -49,9 +49,9 @@ static inline void ____atomic_clear_bit(unsigned int bit, volatile unsigned long
 
 	p += bit >> 5;
 
-	local_irq_save(flags);
+	raw_local_irq_save(flags);
 	*p &= ~mask;
-	local_irq_restore(flags);
+	raw_local_irq_restore(flags);
 }
 
 static inline void ____atomic_change_bit(unsigned int bit, volatile unsigned long *p)
@@ -61,9 +61,9 @@ static inline void ____atomic_change_bit(unsigned int bit, volatile unsigned lon
 
 	p += bit >> 5;
 
-	local_irq_save(flags);
+	raw_local_irq_save(flags);
 	*p ^= mask;
-	local_irq_restore(flags);
+	raw_local_irq_restore(flags);
 }
 
 static inline int
@@ -75,10 +75,10 @@ ____atomic_test_and_set_bit(unsigned int bit, volatile unsigned long *p)
 
 	p += bit >> 5;
 
-	local_irq_save(flags);
+	raw_local_irq_save(flags);
 	res = *p;
 	*p = res | mask;
-	local_irq_restore(flags);
+	raw_local_irq_restore(flags);
 
 	return res & mask;
 }
@@ -92,10 +92,10 @@ ____atomic_test_and_clear_bit(unsigned int bit, volatile unsigned long *p)
 
 	p += bit >> 5;
 
-	local_irq_save(flags);
+	raw_local_irq_save(flags);
 	res = *p;
 	*p = res & ~mask;
-	local_irq_restore(flags);
+	raw_local_irq_restore(flags);
 
 	return res & mask;
 }
@@ -109,10 +109,10 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p)
 
 	p += bit >> 5;
 
-	local_irq_save(flags);
+	raw_local_irq_save(flags);
 	res = *p;
 	*p = res ^ mask;
-	local_irq_restore(flags);
+	raw_local_irq_restore(flags);
 
 	return res & mask;
 }

include/asm-arm/system.h

@@ -282,17 +282,17 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size
 #error SMP is not supported on this platform
 #endif
 	case 1:
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		ret = *(volatile unsigned char *)ptr;
 		*(volatile unsigned char *)ptr = x;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 		break;
 
 	case 4:
-		local_irq_save(flags);
+		raw_local_irq_save(flags);
 		ret = *(volatile unsigned long *)ptr;
 		*(volatile unsigned long *)ptr = x;
-		local_irq_restore(flags);
+		raw_local_irq_restore(flags);
 		break;
 #else
 	case 1: