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microblaze: remove consistent_sync and consistent_sync_page

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Both unused.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Christoph Hellwig 2018-07-19 05:54:40 -07:00 committed by Michal Simek
parent 5411ad27db
commit ed207a7434
2 changed files with 0 additions and 48 deletions
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3
arch/microblaze/include/asm/pgtable.h
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@ -553,9 +553,6 @@ void __init *early_get_page(void);
extern unsigned long ioremap_bot, ioremap_base; extern unsigned long ioremap_bot, ioremap_base;
void consistent_sync(void *vaddr, size_t size, int direction);
void consistent_sync_page(struct page *page, unsigned long offset,
size_t size, int direction);
unsigned long consistent_virt_to_pfn(void *vaddr); unsigned long consistent_virt_to_pfn(void *vaddr);
void setup_memory(void); void setup_memory(void);

45
arch/microblaze/mm/consistent.c
View File

@ -220,48 +220,3 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr,
flush_tlb_all(); flush_tlb_all();
#endif #endif
} }
/*
* make an area consistent.
*/
void consistent_sync(void *vaddr, size_t size, int direction)
{
unsigned long start;
unsigned long end;
start = (unsigned long)vaddr;
/* Convert start address back down to unshadowed memory region */
#ifdef CONFIG_XILINX_UNCACHED_SHADOW
start &= ~UNCACHED_SHADOW_MASK;
#endif
end = start + size;
switch (direction) {
case PCI_DMA_NONE:
BUG();
case PCI_DMA_FROMDEVICE: /* invalidate only */
invalidate_dcache_range(start, end);
break;
case PCI_DMA_TODEVICE: /* writeback only */
flush_dcache_range(start, end);
break;
case PCI_DMA_BIDIRECTIONAL: /* writeback and invalidate */
flush_dcache_range(start, end);
break;
}
}
EXPORT_SYMBOL(consistent_sync);
/*
* consistent_sync_page makes memory consistent. identical
* to consistent_sync, but takes a struct page instead of a
* virtual address
*/
void consistent_sync_page(struct page *page, unsigned long offset,
size_t size, int direction)
{
unsigned long start = (unsigned long)page_address(page) + offset;
consistent_sync((void *)start, size, direction);
}
EXPORT_SYMBOL(consistent_sync_page);