MIPS: Consolidate all CONFIG_CPU_HAS_LLSC use in a single C file.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h
index cd30f83..a2e9239 100644
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@@ -63,11 +63,23 @@
#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
#endif
+#ifdef CONFIG_CPU_HAS_LLSC
+#define __clear_software_ll_bit() do { } while (0)
+#else
+extern unsigned long ll_bit;
+
+#define __clear_software_ll_bit() \
+do { \
+ ll_bit = 0; \
+} while (0)
+#endif
+
#define switch_to(prev, next, last) \
do { \
__mips_mt_fpaff_switch_to(prev); \
if (cpu_has_dsp) \
__save_dsp(prev); \
+ __clear_software_ll_bit(); \
(last) = resume(prev, next, task_thread_info(next)); \
} while (0)