diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-08-20 17:07:16 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-27 06:03:34 +0300 |
| commit | 7cd9b317b630683b0c8eb2dfcfb046003ad6b97b (patch) | |
| tree | 9682ec93b724877d2c317673e84295b38dad39c3 /arch/powerpc/mm | |
| parent | edfe1a5679263827ff94eb478c6ee0d65d467adf (diff) | |
| download | linux-7cd9b317b630683b0c8eb2dfcfb046003ad6b97b.tar.xz | |
powerpc/mm: make ioremap_bot common to all
Drop multiple definitions of ioremap_bot and make one common to
all subarches.
Only CONFIG_PPC_BOOK3E_64 had a global static init value for
ioremap_bot. Now ioremap_bot is set in early_init_mmu_global().
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/920eebfd9f36f14c79d1755847f5bf7c83703bdd.1566309262.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/ioremap.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/mm/mmu_decl.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/mm/nohash/tlb.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 3 |
5 files changed, 5 insertions, 7 deletions
diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c index 3d388aaa3ee6..eaf5f8a4a63f 100644 --- a/arch/powerpc/mm/ioremap.c +++ b/arch/powerpc/mm/ioremap.c @@ -3,6 +3,9 @@ #include <linux/io.h> #include <asm/io-workarounds.h> +unsigned long ioremap_bot; +EXPORT_SYMBOL(ioremap_bot); + void __iomem *ioremap(phys_addr_t addr, unsigned long size) { pgprot_t prot = pgprot_noncached(PAGE_KERNEL); diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index adbaf2167214..c750ac9ec713 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -106,7 +106,6 @@ extern u8 early_hash[]; #endif /* CONFIG_PPC32 */ -extern unsigned long ioremap_bot; extern unsigned long __max_low_memory; extern phys_addr_t __initial_memory_limit_addr; extern phys_addr_t total_memory; diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c index bf60983a58c7..696f568253a0 100644 --- a/arch/powerpc/mm/nohash/tlb.c +++ b/arch/powerpc/mm/nohash/tlb.c @@ -703,6 +703,8 @@ static void __init early_init_mmu_global(void) * for use by the TLB miss code */ linear_map_top = memblock_end_of_DRAM(); + + ioremap_bot = IOREMAP_BASE; } static void __init early_mmu_set_memory_limit(void) diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index ac5a267467fa..102901a19f3c 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -33,9 +33,6 @@ #include <mm/mmu_decl.h> -unsigned long ioremap_bot; -EXPORT_SYMBOL(ioremap_bot); /* aka VMALLOC_END */ - extern char etext[], _stext[], _sinittext[], _einittext[]; void __iomem * diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 2b9078e1bc43..d865e053052d 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -98,9 +98,6 @@ unsigned long __pte_frag_nr; EXPORT_SYMBOL(__pte_frag_nr); unsigned long __pte_frag_size_shift; EXPORT_SYMBOL(__pte_frag_size_shift); -unsigned long ioremap_bot; -#else /* !CONFIG_PPC_BOOK3S_64 */ -unsigned long ioremap_bot = IOREMAP_BASE; #endif int __weak ioremap_range(unsigned long ea, phys_addr_t pa, unsigned long size, pgprot_t prot, int nid) |