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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-09-29 16:28:52 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-09-29 16:28:52 -0700
commit8f697e574012cc73b6b0dcbf30d88a3a0f43b78f (patch)
treea6b16bcf33ad08e03837b61eed2fffb31118f1f3 /arch/alpha/include/asm/spinlock.h
parent221bcb24c6530be17468fdcdbf91299aba32a693 (diff)
parent9ffecb10283508260936b96022d4ee43a7798b4c (diff)
Merge tag 'v4.3-rc3' into next
Merge with Linux 4.3-rc3 to bring in MFD DA9062 changes to merge DA9062 OnKey driver.
Diffstat (limited to 'arch/alpha/include/asm/spinlock.h')
-rw-r--r--arch/alpha/include/asm/spinlock.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/spinlock.h b/arch/alpha/include/asm/spinlock.h
index 37b570d01202..fed9c6f44c19 100644
--- a/arch/alpha/include/asm/spinlock.h
+++ b/arch/alpha/include/asm/spinlock.h
@@ -16,6 +16,11 @@
#define arch_spin_unlock_wait(x) \
do { cpu_relax(); } while ((x)->lock)
+static inline int arch_spin_value_unlocked(arch_spinlock_t lock)
+{
+ return lock.lock == 0;
+}
+
static inline void arch_spin_unlock(arch_spinlock_t * lock)
{
mb();