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, 3 insertions, 6 deletions

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 7c5f479c5c00..ec7538a802f9 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -620,15 +620,12 @@ static int __init add_huge_page_size(unsigned long long size)
          * firmware we only add hugetlb support for page sizes that can be
          * supported by linux page table layout.
          * For now we have
-         * Radix: 2M
+         * Radix: 2M and 1G
          * Hash: 16M and 16G
          */
         if (radix_enabled()) {
-                if (mmu_psize != MMU_PAGE_2M) {
-                        if (cpu_has_feature(CPU_FTR_POWER9_DD1) ||
-                            (mmu_psize != MMU_PAGE_1G))
-                                return -EINVAL;
-                }
+                if (mmu_psize != MMU_PAGE_2M && mmu_psize != MMU_PAGE_1G)
+                        return -EINVAL;
         } else {
                 if (mmu_psize != MMU_PAGE_16M && mmu_psize != MMU_PAGE_16G)
                         return -EINVAL;