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sh: consolidate flush_dcache_mmap_lock/unlock() definitions.

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All of the flush_dcache_mmap_lock()/flush_dcache_mmap_unlock()
definitions are identical across all CPUs, so just provide them
generically in asm/cacheflush.h.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-08-15 11:25:32 +09:00
parent 0b445dcaf3
commit 7fbb2d3bdd
6 changed files with 3 additions and 17 deletions
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5
arch/sh/include/asm/cacheflush.h
View File

@ -20,8 +20,6 @@
#define flush_dcache_page(page) do { } while (0)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma,pg) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_sigtramp(vaddr) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define __flush_wback_region(start, size) do { (void)(start); } while (0)
@ -71,6 +69,9 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
void kmap_coherent_init(void);
void *kmap_coherent(struct page *page, unsigned long addr);
void kunmap_coherent(void);

2
arch/sh/include/cpu-common/cpu/cacheflush.h
View File

@ -32,8 +32,6 @@
#define flush_cache_range(vma, start, end) do { } while (0)
#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma,pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)

2
arch/sh/include/cpu-sh2a/cpu/cacheflush.h
View File

@ -23,8 +23,6 @@
#define flush_cache_range(vma, start, end) do { } while (0)
#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
void flush_icache_range(unsigned long start, unsigned long end);
#define flush_icache_page(vma,pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)

3
arch/sh/include/cpu-sh3/cpu/cacheflush.h
View File

@ -25,9 +25,6 @@ void flush_dcache_page(struct page *pg);
void flush_icache_range(unsigned long start, unsigned long end);
void flush_icache_page(struct vm_area_struct *vma, struct page *page);
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
/* SH3 has unified cache so no special action needed here */
#define flush_cache_sigtramp(vaddr) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)

4
arch/sh/include/cpu-sh4/cpu/cacheflush.h
View File

@ -24,10 +24,6 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn);
void flush_dcache_page(struct page *pg);
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
void flush_icache_range(unsigned long start, unsigned long end);
void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
unsigned long addr, int len);

4
arch/sh/include/cpu-sh5/cpu/cacheflush.h
View File

@ -20,10 +20,6 @@ extern void flush_icache_user_range(struct vm_area_struct *vma,
int len);
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_page(vma, page) do { } while (0)
#endif /* __ASSEMBLY__ */