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authorStafford Horne <shorne@gmail.com>2017-03-24 07:13:03 +0900
committerStafford Horne <shorne@gmail.com>2017-11-03 14:01:12 +0900
commitb5f8217615bb197af33c0cc71b14783b194fed6e (patch)
treea93d94efbb158066244235d3c9aaabad05d33f0e /arch/openrisc/include/asm/spinlock.h
parent489e0f802db708c69004f64d92a3e1b70731614a (diff)
openrisc: use qspinlocks and qrwlocks
Enable OpenRISC to use qspinlocks and qrwlocks for upcoming SMP support. Signed-off-by: Stafford Horne <shorne@gmail.com>
Diffstat (limited to 'arch/openrisc/include/asm/spinlock.h')
-rw-r--r--arch/openrisc/include/asm/spinlock.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/openrisc/include/asm/spinlock.h b/arch/openrisc/include/asm/spinlock.h
index fd00a3a24123..9b761e0e22c3 100644
--- a/arch/openrisc/include/asm/spinlock.h
+++ b/arch/openrisc/include/asm/spinlock.h
@@ -19,6 +19,16 @@
#ifndef __ASM_OPENRISC_SPINLOCK_H
#define __ASM_OPENRISC_SPINLOCK_H
-#error "or32 doesn't do SMP yet"
+#include <asm/qspinlock.h>
+
+#include <asm/qrwlock.h>
+
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
+
+#define arch_spin_relax(lock) cpu_relax()
+#define arch_read_relax(lock) cpu_relax()
+#define arch_write_relax(lock) cpu_relax()
+
#endif