From b5f8217615bb197af33c0cc71b14783b194fed6e Mon Sep 17 00:00:00 2001 From: Stafford Horne Date: Fri, 24 Mar 2017 07:13:03 +0900 Subject: openrisc: use qspinlocks and qrwlocks Enable OpenRISC to use qspinlocks and qrwlocks for upcoming SMP support. Signed-off-by: Stafford Horne --- arch/openrisc/include/asm/spinlock.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'arch/openrisc/include/asm/spinlock.h') 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 + +#include + +#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 -- cgit v1.2.1