[PATCH v3 5/7] powerpc/dt_cpu_ftrs: Enable Prefixed Instructions

[Alistair Popple]

Prefix instructions have their own FSCR bit which needs to be enabled
via a CPU feature. The kernel will save the FSCR for problem state but
it needs to be enabled initially.

Signed-off-by: Alistair Popple <alistair at popple.id.au>
---
 arch/powerpc/kernel/dt_cpu_ftrs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index 677190f70cac..93c340906aad 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -628,6 +628,7 @@ static struct dt_cpu_feature_match __initdata
 	{"vector-binary128", feat_enable, 0},
 	{"vector-binary16", feat_enable, 0},
 	{"wait-v3", feat_enable, 0},
+	{"prefix-instructions", feat_enable, 0},
 };
 
 static bool __initdata using_dt_cpu_ftrs;
-- 
2.20.1