diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2016-07-26 10:09:30 (GMT) |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-08-01 01:14:53 (GMT) |
| commit | 1a01dc87e09b6e60d22c417e00f470a72f00ec80 (patch) | |
| tree | 1520319bb743b3d5485ca95a8a48f97c5509f4cb /arch/powerpc | |
| parent | bad60e6f259a01cf9f29a1ef8d435ab6c60b2de9 (diff) | |
| download | linux-1a01dc87e09b6e60d22c417e00f470a72f00ec80.tar.xz | |
powerpc/mm: Add mmu_early_init_devtree()
Empty for now, but we'll add to it in the next patch.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/mmu.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/init_64.c | 6 |
4 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index d4eda64..4eb4bd0 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -107,6 +107,7 @@ extern int mmu_vmemmap_psize; extern int mmu_io_psize; /* MMU initialization */ +void mmu_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/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 5447122..14220c5 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -210,6 +210,7 @@ extern void early_init_mmu(void); extern void early_init_mmu_secondary(void); extern void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size); +static inline void mmu_early_init_devtree(void) { } #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index bae3db7..9686984 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -750,6 +750,8 @@ void __init early_init_devtree(void *params) if (disable_radix) cur_cpu_spec->mmu_features &= ~MMU_FTR_RADIX; + mmu_early_init_devtree(); + #ifdef CONFIG_PPC_POWERNV /* Scan and build the list of machine check recoverable ranges */ of_scan_flat_dt(early_init_dt_scan_recoverable_ranges, NULL); diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 33709bd..d0fb33a 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -411,3 +411,9 @@ struct page *realmode_pfn_to_page(unsigned long pfn) EXPORT_SYMBOL_GPL(realmode_pfn_to_page); #endif /* CONFIG_SPARSEMEM_VMEMMAP/CONFIG_FLATMEM */ + +#ifdef CONFIG_PPC_STD_MMU_64 +void __init mmu_early_init_devtree(void) +{ +} +#endif /* CONFIG_PPC_STD_MMU_64 */ |