Commit c63d688c authored by Alistair Popple's avatar Alistair Popple Committed by Michael Ellerman

powerpc/dt_cpu_ftrs: Enable Prefixed Instructions

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: default avatarAlistair Popple <alistair@popple.id.au>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200521014341.29095-6-alistair@popple.id.au
parent 43d0d37a
...@@ -634,6 +634,7 @@ static struct dt_cpu_feature_match __initdata ...@@ -634,6 +634,7 @@ static struct dt_cpu_feature_match __initdata
{"vector-binary128", feat_enable, 0}, {"vector-binary128", feat_enable, 0},
{"vector-binary16", feat_enable, 0}, {"vector-binary16", feat_enable, 0},
{"wait-v3", feat_enable, 0}, {"wait-v3", feat_enable, 0},
{"prefix-instructions", feat_enable, 0},
}; };
static bool __initdata using_dt_cpu_ftrs; static bool __initdata using_dt_cpu_ftrs;
......
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