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authorChristoph Hellwig <hch@lst.de>2018-07-19 14:54:40 +0200
committerMichal Simek <michal.simek@xilinx.com>2018-07-20 14:29:54 +0200
commited207a743444aca63a4a71eadf6ae19e99ee1534 (patch)
treecfb4b4f531665f19a001e17bd332616310d9a193 /arch/microblaze/mm
parentmicroblaze: use generic dma_noncoherent_ops (diff)
downloadlinux-ed207a743444aca63a4a71eadf6ae19e99ee1534.tar.xz
linux-ed207a743444aca63a4a71eadf6ae19e99ee1534.zip
microblaze: remove consistent_sync and consistent_sync_page
Both unused. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/microblaze/mm')
-rw-r--r--arch/microblaze/mm/consistent.c45
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
index b9a9c8c3397b..c9a278ac795a 100644
--- a/arch/microblaze/mm/consistent.c
+++ b/arch/microblaze/mm/consistent.c
@@ -220,48 +220,3 @@ void arch_dma_free(struct device *dev, size_t size, void *vaddr,
flush_tlb_all();
#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);