[PATCH v2 2/3] powerpc/mm: Move slb_addr_linit to early_init_mmu

[Aneesh Kumar K.V]

Avoid #ifdef in generic code. Also enables us to do this specific to
MMU translation mode on book3s64

Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
---
 arch/powerpc/kernel/setup-common.c | 11 -----------
 arch/powerpc/mm/hash_utils_64.c    |  2 ++
 arch/powerpc/mm/tlb_nohash.c       |  6 ++++++
 3 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c 
b/arch/powerpc/kernel/setup-common.c
index 2e5dfb6e0823..a07de8608484 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -947,17 +947,6 @@ void __init setup_arch(char **cmdline_p)
        init_mm.end_data = (unsigned long) _edata;
        init_mm.brk = klimit;
 
-#ifdef CONFIG_PPC_MM_SLICES
-#ifdef CONFIG_PPC64
-       if (!radix_enabled())
-               init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW_USER64;
-#elif defined(CONFIG_PPC_8xx)
-       init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW;
-#else
-#error "context.addr_limit not initialized."
-#endif
-#endif
-
 #ifdef CONFIG_SPAPR_TCE_IOMMU
        mm_iommu_init(&init_mm);
 #endif
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 5a2bd132f92e..2cb3a456f5b5 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -1041,6 +1041,8 @@ void __init hash__early_init_mmu(void)
         */
        htab_initialize();
 
+       init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW_USER64;
+
        pr_info("Initializing hash mmu with SLB\n");
        /* Initialize SLB management */
        slb_initialize();
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index ac23dc1c6535..088e0a6b5ade 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -800,5 +800,11 @@ void __init early_init_mmu(void)
 #ifdef CONFIG_PPC_47x
        early_init_mmu_47x();
 #endif
+
+#ifdef CONFIG_PPC_MM_SLICES
+#if defined(CONFIG_PPC_8xx)
+       init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW;
+#endif
+#endif
 }
 #endif /* CONFIG_PPC64 */
-- 
2.20.1