[PATCH 06/25] microblaze: remove the consistent_sync and consistent_sync_page
From: hch@lst.de (Christoph Hellwig)
Date: 2018-05-22 12:16:45
Also in:
linux-alpha, linux-arch, linux-iommu, linux-sh, lkml, sparclinux
Subsystem:
microblaze architecture, the rest · Maintainers:
Michal Simek, Linus Torvalds
Both unused. Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/microblaze/include/asm/pgtable.h | 3 -- arch/microblaze/mm/consistent.c | 45 --------------------------- 2 files changed, 48 deletions(-)
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index 8a2e654b709f..7b650ab14fa0 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h@@ -553,9 +553,6 @@ void __init *early_get_page(void); 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); void setup_memory(void);
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);
--
2.17.0