Blackfin: SMP: rename the arch_xxx lock funcs to __raw_xxx

The external functions are named __raw_xxx, not arch_xxx, so rename the
prototypes to match reality.  This fixes some simple build errors in the
bfin_ksyms.c code which exports these helpers to modules.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/spinlock.h b/arch/blackfin/include/asm/spinlock.h
index 1942ccf..47d5a0b 100644
--- a/arch/blackfin/include/asm/spinlock.h
+++ b/arch/blackfin/include/asm/spinlock.h
@@ -17,12 +17,12 @@
 asmlinkage void __raw_spin_lock_asm(volatile int *ptr);
 asmlinkage int __raw_spin_trylock_asm(volatile int *ptr);
 asmlinkage void __raw_spin_unlock_asm(volatile int *ptr);
-asmlinkage void arch_read_lock_asm(volatile int *ptr);
-asmlinkage int arch_read_trylock_asm(volatile int *ptr);
-asmlinkage void arch_read_unlock_asm(volatile int *ptr);
-asmlinkage void arch_write_lock_asm(volatile int *ptr);
-asmlinkage int arch_write_trylock_asm(volatile int *ptr);
-asmlinkage void arch_write_unlock_asm(volatile int *ptr);
+asmlinkage void __raw_read_lock_asm(volatile int *ptr);
+asmlinkage int __raw_read_trylock_asm(volatile int *ptr);
+asmlinkage void __raw_read_unlock_asm(volatile int *ptr);
+asmlinkage void __raw_write_lock_asm(volatile int *ptr);
+asmlinkage int __raw_write_trylock_asm(volatile int *ptr);
+asmlinkage void __raw_write_unlock_asm(volatile int *ptr);
 
 static inline int arch_spin_is_locked(arch_spinlock_t *lock)
 {
@@ -64,32 +64,32 @@
 
 static inline void arch_read_lock(arch_rwlock_t *rw)
 {
-	arch_read_lock_asm(&rw->lock);
+	__raw_read_lock_asm(&rw->lock);
 }
 
 static inline int arch_read_trylock(arch_rwlock_t *rw)
 {
-	return arch_read_trylock_asm(&rw->lock);
+	return __raw_read_trylock_asm(&rw->lock);
 }
 
 static inline void arch_read_unlock(arch_rwlock_t *rw)
 {
-	arch_read_unlock_asm(&rw->lock);
+	__raw_read_unlock_asm(&rw->lock);
 }
 
 static inline void arch_write_lock(arch_rwlock_t *rw)
 {
-	arch_write_lock_asm(&rw->lock);
+	__raw_write_lock_asm(&rw->lock);
 }
 
 static inline int arch_write_trylock(arch_rwlock_t *rw)
 {
-	return arch_write_trylock_asm(&rw->lock);
+	return __raw_write_trylock_asm(&rw->lock);
 }
 
 static inline void arch_write_unlock(arch_rwlock_t *rw)
 {
-	arch_write_unlock_asm(&rw->lock);
+	__raw_write_unlock_asm(&rw->lock);
 }
 
 #define arch_spin_relax(lock)  	cpu_relax()