powerpc/64s: Remove POWER9 DD1 support

POWER9 DD1 was never a product. It is no longer supported by upstream
firmware, and it is not effectively supported in Linux due to lack of
testing.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
[mpe: Remove arch_make_huge_pte() entirely]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index 4be1c0de9406..98c373a4c1cf 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -701,9 +701,7 @@ static __init void cpufeatures_cpu_quirks(void)
         /*
          * Not all quirks can be derived from the cpufeatures device tree.
          */
-        if ((version & 0xffffff00) == 0x004e0100)
-                cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD1;
-        else if ((version & 0xffffefff) == 0x004e0200)
+        if ((version & 0xffffefff) == 0x004e0200)
                 ; /* DD2.0 has no feature flag */
         else if ((version & 0xffffefff) == 0x004e0201)
                 cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD2_1;