From 2537b09c939fca26447f0ac3e688691de06eadda Mon Sep 17 00:00:00 2001 From: Michael Ellerman Date: Tue, 26 Jul 2016 21:55:27 +1000 Subject: powerpc/mm: Do radix device tree scanning earlier Like we just did for hash, split the device tree scanning parts out and call them from mmu_early_init_devtree(). Signed-off-by: Michael Ellerman --- arch/powerpc/include/asm/book3s/64/mmu.h | 1 + arch/powerpc/mm/init_64.c | 4 +++- arch/powerpc/mm/pgtable-radix.c | 3 +-- 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 358f1410dc0d..9ee00c2576d0 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -109,6 +109,7 @@ extern int mmu_io_psize; /* MMU initialization */ void mmu_early_init_devtree(void); void hash__early_init_devtree(void); +void radix__early_init_devtree(void); extern void radix_init_native(void); extern void hash__early_init_mmu(void); extern void radix__early_init_mmu(void); diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index d023333c6c9a..e0ab33d20a10 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -427,7 +427,9 @@ void __init mmu_early_init_devtree(void) if (disable_radix) cur_cpu_spec->mmu_features &= ~MMU_FTR_RADIX; - if (!radix_enabled()) + if (radix_enabled()) + radix__early_init_devtree(); + else hash__early_init_devtree(); } #endif /* CONFIG_PPC_STD_MMU_64 */ diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index 003ff48a11b6..f34ccdbe0fbd 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -264,7 +264,7 @@ static int __init radix_dt_scan_page_sizes(unsigned long node, return 1; } -static void __init radix_init_page_sizes(void) +void __init radix__early_init_devtree(void) { int rc; @@ -343,7 +343,6 @@ void __init radix__early_init_mmu(void) __pte_frag_nr = H_PTE_FRAG_NR; __pte_frag_size_shift = H_PTE_FRAG_SIZE_SHIFT; - radix_init_page_sizes(); if (!firmware_has_feature(FW_FEATURE_LPAR)) { radix_init_native(); lpcr = mfspr(SPRN_LPCR); -- cgit v1.2.3