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| author | Paul Mundt <lethal@linux-sh.org> | 2010-01-20 16:40:48 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-01-20 16:40:48 +0900 |
| commit | 2efa53b269ec1e9289a108e1506f53f6f1de440b (patch) | |
| tree | a5825e18be1044b2472cba5776e1ef47377f9834 | |
| parent | 5f240718b475dcddee86b138b624f24c681dbb29 (diff) | |
| download | linux-3.10-2efa53b269ec1e9289a108e1506f53f6f1de440b.tar.gz linux-3.10-2efa53b269ec1e9289a108e1506f53f6f1de440b.tar.bz2 linux-3.10-2efa53b269ec1e9289a108e1506f53f6f1de440b.zip | |
sh: Make 29/32-bit mode check helper generally available.
Presently __in_29bit_mode() is only defined for the PMB case, but
it's also easily derived from the CONFIG_29BIT and CONFIG_32BIT &&
CONFIG_PMB=n cases.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | arch/sh/include/asm/addrspace.h | 6 | ||||
| -rw-r--r-- | arch/sh/include/asm/mmu.h | 10 | ||||
| -rw-r--r-- | arch/sh/mm/init.c | 7 | ||||
| -rw-r--r-- | arch/sh/mm/pmb.c | 5 |
4 files changed, 14 insertions, 14 deletions
diff --git a/arch/sh/include/asm/addrspace.h b/arch/sh/include/asm/addrspace.h index 268efd62ed2..446b3831c21 100644 --- a/arch/sh/include/asm/addrspace.h +++ b/arch/sh/include/asm/addrspace.h @@ -65,11 +65,5 @@ #define P3_ADDR_MAX P4SEG #endif -#ifndef __ASSEMBLY__ -#ifdef CONFIG_PMB -extern int __in_29bit_mode(void); -#endif /* CONFIG_PMB */ -#endif /* __ASSEMBLY__ */ - #endif /* __KERNEL__ */ #endif /* __ASM_SH_ADDRSPACE_H */ diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h index e5e8f48830e..ca7d91e8aa7 100644 --- a/arch/sh/include/asm/mmu.h +++ b/arch/sh/include/asm/mmu.h @@ -31,6 +31,7 @@ #ifndef __ASSEMBLY__ #include <linux/errno.h> +#include <linux/threads.h> /* Default "unsigned long" context */ typedef unsigned long mm_context_id_t[NR_CPUS]; @@ -72,6 +73,7 @@ long pmb_remap(unsigned long virt, unsigned long phys, unsigned long size, unsigned long flags); void pmb_unmap(unsigned long addr); int pmb_init(void); +bool __in_29bit_mode(void); #else static inline long pmb_remap(unsigned long virt, unsigned long phys, unsigned long size, unsigned long flags) @@ -87,8 +89,14 @@ static inline int pmb_init(void) { return -ENODEV; } -#endif /* CONFIG_PMB */ +#ifdef CONFIG_29BIT +#define __in_29bit_mode() (1) +#else +#define __in_29bit_mode() (0) +#endif + +#endif /* CONFIG_PMB */ #endif /* __ASSEMBLY__ */ #endif /* __MMU_H */ diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 32ebd1592e6..491d9d5c8e0 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -338,10 +338,3 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid); #endif #endif /* CONFIG_MEMORY_HOTPLUG */ - -#ifdef CONFIG_PMB -int __in_29bit_mode(void) -{ - return !(ctrl_inl(PMB_PASCR) & PASCR_SE); -} -#endif /* CONFIG_PMB */ diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index b796b6c021b..d318fa6caff 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -436,6 +436,11 @@ int __uses_jump_to_uncached pmb_init(void) return 0; } +bool __in_29bit_mode(void) +{ + return (__raw_readl(PMB_PASCR) & PASCR_SE) == 0; +} + static int pmb_seq_show(struct seq_file *file, void *iter) { int i; |