From: Bob Breuer <breuerr@mc.net>
Date: Tue, 20 Jun 2006 07:35:13 +0000 (-0700)
Subject: [SPARC]: Add missing rw can_lock macros
X-Git-Tag: MMI-PSA29.97-13-9~49470^2~10
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=61fc12d8e5c94176e7c2e04a2eab4c6e36d8dd41;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

[SPARC]: Add missing rw can_lock macros

Fix a link failure by adding the missing can_lock macros for the rw
locks.

Signed-off-by: Bob Breuer <breuerr@mc.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/asm-sparc/spinlock.h b/include/asm-sparc/spinlock.h
index 3350c90c7869..1c75474ba1df 100644
--- a/include/asm-sparc/spinlock.h
+++ b/include/asm-sparc/spinlock.h
@@ -154,6 +154,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
 #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
 #define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
 
+#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff))
+#define __raw_write_can_lock(rw) (!(rw)->lock)
+
 #endif /* !(__ASSEMBLY__) */
 
 #endif /* __SPARC_SPINLOCK_H */