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openrisc: use qspinlocks and qrwlocks

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Enable OpenRISC to use qspinlocks and qrwlocks for upcoming SMP support.

Signed-off-by: Stafford Horne <shorne@gmail.com>
This commit is contained in:
Stafford Horne
2017-03-24 07:13:03 +09:00
parent 489e0f802d
commit b5f8217615
4 changed files with 24 additions and 1 deletions
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12
arch/openrisc/include/asm/spinlock.h
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@@ -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