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Merge branches 'at91', 'cache', 'cup', 'ep93xx', 'ixp4xx', 'nuc', 'pending-dma-streaming', 'u300' and 'umc' into devel

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This commit is contained in:
Russell King
2010-02-25 22:06:43 +00:00
parent c9a8fdd8b3 2ef7f3dbd7 2725898fc9 1587a373f0 e00d9d4b17 6d636c68e9 2ffe2da3e7 cd71f8f48e ae1402022e
commit 3560adf620
963 changed files with 28260 additions and 8148 deletions
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56
arch/arm/include/asm/cacheflush.h
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@@ -182,21 +182,6 @@
* DMA Cache Coherency
* ===================
*
* dma_inv_range(start, end)
*
* Invalidate (discard) the specified virtual address range.
* May not write back any entries. If 'start' or 'end'
* are not cache line aligned, those lines must be written
* back.
* - start - virtual start address
* - end - virtual end address
*
* dma_clean_range(start, end)
*
* Clean (write back) the specified virtual address range.
* - start - virtual start address
* - end - virtual end address
*
* dma_flush_range(start, end)
*
* Clean and invalidate the specified virtual address range.
@@ -213,8 +198,9 @@ struct cpu_cache_fns {
void (*coherent_user_range)(unsigned long, unsigned long);
void (*flush_kern_dcache_area)(void *, size_t);
void (*dma_inv_range)(const void *, const void *);
void (*dma_clean_range)(const void *, const void *);
void (*dma_map_area)(const void *, size_t, int);
void (*dma_unmap_area)(const void *, size_t, int);
void (*dma_flush_range)(const void *, const void *);
};
@@ -244,8 +230,8 @@ extern struct cpu_cache_fns cpu_cache;
* is visible to DMA, or data written by DMA to system memory is
* visible to the CPU.
*/
#define dmac_inv_range cpu_cache.dma_inv_range
#define dmac_clean_range cpu_cache.dma_clean_range
#define dmac_map_area cpu_cache.dma_map_area
#define dmac_unmap_area cpu_cache.dma_unmap_area
#define dmac_flush_range cpu_cache.dma_flush_range
#else
@@ -270,12 +256,12 @@ extern void __cpuc_flush_dcache_area(void *, size_t);
* is visible to DMA, or data written by DMA to system memory is
* visible to the CPU.
*/
#define dmac_inv_range __glue(_CACHE,_dma_inv_range)
#define dmac_clean_range __glue(_CACHE,_dma_clean_range)
#define dmac_map_area __glue(_CACHE,_dma_map_area)
#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area)
#define dmac_flush_range __glue(_CACHE,_dma_flush_range)
extern void dmac_inv_range(const void *, const void *);
extern void dmac_clean_range(const void *, const void *);
extern void dmac_map_area(const void *, size_t, int);
extern void dmac_unmap_area(const void *, size_t, int);
extern void dmac_flush_range(const void *, const void *);
#endif
@@ -316,12 +302,8 @@ static inline void outer_flush_range(unsigned long start, unsigned long end)
* processes address space. Really, we want to allow our "user
* space" model to handle this.
*/
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
flush_ptrace_access(vma, page, vaddr, dst, len, 1);\
} while (0)
extern void copy_to_user_page(struct vm_area_struct *, struct page *,
unsigned long, void *, const void *, unsigned long);
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
memcpy(dst, src, len); \
@@ -355,17 +337,6 @@ vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsig
}
}
static inline void
vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
unsigned long uaddr, void *kaddr,
unsigned long len, int write)
{
if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
unsigned long addr = (unsigned long)kaddr;
__cpuc_coherent_kern_range(addr, addr + len);
}
}
#ifndef CONFIG_CPU_CACHE_VIPT
#define flush_cache_mm(mm) \
vivt_flush_cache_mm(mm)
@@ -373,15 +344,10 @@ vivt_flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
vivt_flush_cache_range(vma,start,end)
#define flush_cache_page(vma,addr,pfn) \
vivt_flush_cache_page(vma,addr,pfn)
#define flush_ptrace_access(vma,page,ua,ka,len,write) \
vivt_flush_ptrace_access(vma,page,ua,ka,len,write)
#else
extern void flush_cache_mm(struct mm_struct *mm);
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
unsigned long uaddr, void *kaddr,
unsigned long len, int write);
#endif
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)