Messages in this thread Patch in this message | | | From | Ian Campbell <> | Subject | [PATCH 9/9] swiotlb: rename swiotlb_virt_to_bus as virt_to_dma | Date | Fri, 29 May 2009 09:44:03 +0100 |
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Rename swiotlb_virt_to_bus as swiotlb_virt_to_dma for consistency with phys_to_dma.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Olaf Kirch <okir@suse.de> Cc: Greg KH <gregkh@suse.de> Cc: Ingo Molnar <mingo@elte.hu> --- lib/swiotlb.c | 18 +++++++++--------- 1 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index c50a5ed..8479ed9 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -124,14 +124,14 @@ void * __weak swiotlb_alloc(unsigned order, unsigned long nslabs) return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); } -static dma_addr_t swiotlb_virt_to_bus(struct device *hwdev, +static dma_addr_t swiotlb_virt_to_dma(struct device *hwdev, volatile void *address) { return phys_to_dma(hwdev, virt_to_phys(address)); } #ifdef CONFIG_HIGHMEM -static void * swiotlb_bus_to_virt(struct device *hwdev, dma_addr_t address) +static void * swiotlb_dma_to_virt(struct device *hwdev, dma_addr_t address) { unsigned long pfn = PFN_DOWN(dma_to_phys(hwdev, addr)); void *pageaddr = page_address(pfn_to_page(pfn)); @@ -141,7 +141,7 @@ static void * swiotlb_bus_to_virt(struct device *hwdev, dma_addr_t address) return NULL; } #else -static void * swiotlb_bus_to_virt(struct device *hwdev, dma_addr_t address) +static void * swiotlb_dma_to_virt(struct device *hwdev, dma_addr_t address) { return phys_to_virt(dma_to_phys(hwdev, address)); } @@ -368,7 +368,7 @@ map_single(struct device *hwdev, phys_addr_t phys, size_t size, int dir) unsigned long max_slots; mask = dma_get_seg_boundary(hwdev); - start_dma_addr = swiotlb_virt_to_bus(hwdev, io_tlb_start) & mask; + start_dma_addr = swiotlb_virt_to_dma(hwdev, io_tlb_start) & mask; offset_slots = ALIGN(start_dma_addr, 1 << IO_TLB_SHIFT) >> IO_TLB_SHIFT; @@ -669,7 +669,7 @@ EXPORT_SYMBOL_GPL(swiotlb_map_page); static void unmap_single(struct device *hwdev, dma_addr_t dev_addr, size_t size, int dir) { - char *dma_addr = swiotlb_bus_to_virt(hwdev, dev_addr); + char *dma_addr = swiotlb_dma_to_virt(hwdev, dev_addr); BUG_ON(dir == DMA_NONE); @@ -706,7 +706,7 @@ static void swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr, size_t size, int dir, int target) { - char *dma_addr = swiotlb_bus_to_virt(hwdev, dev_addr); + char *dma_addr = swiotlb_dma_to_virt(hwdev, dev_addr); BUG_ON(dir == DMA_NONE); @@ -893,19 +893,19 @@ EXPORT_SYMBOL(swiotlb_sync_sg_for_device); int swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr) { - return (dma_addr == swiotlb_virt_to_bus(hwdev, io_tlb_overflow_buffer)); + return (dma_addr == swiotlb_virt_to_dma(hwdev, io_tlb_overflow_buffer)); } EXPORT_SYMBOL(swiotlb_dma_mapping_error); /* * Return whether the given device DMA address mask can be supported * properly. For example, if your device can only drive the low 24-bits - * during bus mastering, then you would pass 0x00ffffff as the mask to + * during dma mastering, then you would pass 0x00ffffff as the mask to * this function. */ int swiotlb_dma_supported(struct device *hwdev, u64 mask) { - return swiotlb_virt_to_bus(hwdev, io_tlb_end - 1) <= mask; + return swiotlb_virt_to_dma(hwdev, io_tlb_end - 1) <= mask; } EXPORT_SYMBOL(swiotlb_dma_supported); -- 1.5.6.5
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