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authorRich Felker <dalias@libc.org>2016-07-28 19:21:10 +0000
committerRich Felker <dalias@libc.org>2016-08-05 03:29:34 +0000
commit2b47d54ed41c33baf5825185168b493317c5572f (patch)
treea42a2098fa73f41d6d5b214e1eeca5712d419551 /arch/sh/include/asm/cmpxchg.h
parent834da197058bebcb343320dafb8b62d416d4038c (diff)
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sh: add J2 atomics using the cas.l instruction
Signed-off-by: Rich Felker <dalias@libc.org>
Diffstat (limited to 'arch/sh/include/asm/cmpxchg.h')
-rw-r--r--arch/sh/include/asm/cmpxchg.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sh/include/asm/cmpxchg.h b/arch/sh/include/asm/cmpxchg.h
index 5225916c1057..3dfe0467a773 100644
--- a/arch/sh/include/asm/cmpxchg.h
+++ b/arch/sh/include/asm/cmpxchg.h
@@ -13,6 +13,8 @@
#include <asm/cmpxchg-grb.h>
#elif defined(CONFIG_CPU_SH4A)
#include <asm/cmpxchg-llsc.h>
+#elif defined(CONFIG_CPU_J2) && defined(CONFIG_SMP)
+#include <asm/cmpxchg-cas.h>
#else
#include <asm/cmpxchg-irq.h>
#endif