sh: trivial build cleanups.

Several errors were spotted during building for custom config (SMP
included). Although SMP still does not compile (no ipi and
__smp_call_function) and does not work, this looks a bit cleaner.
Some other errors obtained via gcc-4.1.0 build.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/asm-sh/spinlock.h b/include/asm-sh/spinlock.h
index 2586eef07d57..92f6e2008b2e 100644
--- a/include/asm-sh/spinlock.h
+++ b/include/asm-sh/spinlock.h
@@ -11,6 +11,7 @@
 #define __ASM_SH_SPINLOCK_H
 
 #include <asm/atomic.h>
+#include <asm/spinlock_types.h>
 
 /*
  * Your basic SMP spinlocks, allowing only a single CPU anywhere
@@ -42,7 +43,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 
 static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 {
-        assert_spin_locked(lock);
+        //assert_spin_locked(lock);
 
         lock->lock = 0;
 }
@@ -88,6 +89,11 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
         __raw_spin_unlock(&rw->lock);
 }
 
+static inline int __raw_write_can_lock(raw_rwlock_t *rw)
+{
+        return (atomic_read(&rw->counter) == RW_LOCK_BIAS);
+}
+
 static inline int __raw_read_trylock(raw_rwlock_t *lock)
 {
         atomic_t *count = (atomic_t*)lock;