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ARC: fold ___flush_dcache_page into __flush_dcache_page 

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2015-05-18 12:46:37 +05:30
parent 1269f4d5c9
commit 4530949350
2 changed files with 7 additions and 9 deletions
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4
arch/arc/include/asm/cacheflush.h
View File

@ -34,9 +34,7 @@ void flush_cache_all(void);
void flush_icache_range(unsigned long start, unsigned long end);
void __sync_icache_dcache(unsigned long paddr, unsigned long vaddr, int len);
void __inv_icache_page(unsigned long paddr, unsigned long vaddr);
void ___flush_dcache_page(unsigned long paddr, unsigned long vaddr);
#define __flush_dcache_page(p, v) \
___flush_dcache_page((unsigned long)p, (unsigned long)v)
void __flush_dcache_page(unsigned long paddr, unsigned long vaddr);
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1

12
arch/arc/mm/cache_arc700.c
View File

@ -493,7 +493,7 @@ void flush_dcache_page(struct page *page)
} else if (page_mapped(page)) {
/* kernel reading from page with U-mapping */
void *paddr = page_address(page);
unsigned long paddr = (unsigned long)page_address(page);
unsigned long vaddr = page->index << PAGE_CACHE_SHIFT;
if (addr_not_cache_congruent(paddr, vaddr))
@ -605,7 +605,7 @@ void __inv_icache_page(unsigned long paddr, unsigned long vaddr)
* wrapper to clearout kernel or userspace mappings of a page
* For kernel mappings @vaddr == @paddr
*/
void ___flush_dcache_page(unsigned long paddr, unsigned long vaddr)
void __flush_dcache_page(unsigned long paddr, unsigned long vaddr)
{
__dc_line_op(paddr, vaddr & PAGE_MASK, PAGE_SIZE, OP_FLUSH_N_INV);
}
@ -637,7 +637,7 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long u_vaddr,
u_vaddr &= PAGE_MASK;
___flush_dcache_page(paddr, u_vaddr);
__flush_dcache_page(paddr, u_vaddr);
if (vma->vm_flags & VM_EXEC)
__inv_icache_page(paddr, u_vaddr);
@ -663,8 +663,8 @@ void flush_anon_page(struct vm_area_struct *vma, struct page *page,
void copy_user_highpage(struct page *to, struct page *from,
unsigned long u_vaddr, struct vm_area_struct *vma)
{
void *kfrom = page_address(from);
void *kto = page_address(to);
unsigned long kfrom = (unsigned long)page_address(from);
unsigned long kto = (unsigned long)page_address(to);
int clean_src_k_mappings = 0;
/*
@ -680,7 +680,7 @@ void copy_user_highpage(struct page *to, struct page *from,
clean_src_k_mappings = 1;
}
copy_page(kto, kfrom);
copy_page((void *)kto, (void *)kfrom);
/*
* Mark DST page K-mapping as dirty for a later finalization by