MIPS: Loongson: Naming style cleanup and rework

[cascardo/linux.git] / arch / mips / include / asm / mach-loongson / dma-coherence.h

diff --git a/arch/mips/include/asm/mach-loongson/dma-coherence.h b/arch/mips/include/asm/mach-loongson/dma-coherence.h
deleted file mode 100644 (file)
index 4bf4e19..0000000
--- a/arch/mips/include/asm/mach-loongson/dma-coherence.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2006, 07  Ralf Baechle <ralf@linux-mips.org>
- * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@lemote.com
- *
- */
-#ifndef __ASM_MACH_LOONGSON_DMA_COHERENCE_H
-#define __ASM_MACH_LOONGSON_DMA_COHERENCE_H
-
-#ifdef CONFIG_SWIOTLB
-#include <linux/swiotlb.h>
-#endif
-
-struct device;
-
-extern dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
-extern phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
-static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
-                                         size_t size)
-{
-#ifdef CONFIG_CPU_LOONGSON3
-       return phys_to_dma(dev, virt_to_phys(addr));
-#else
-       return virt_to_phys(addr) | 0x80000000;
-#endif
-}
-
-static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
-                                              struct page *page)
-{
-#ifdef CONFIG_CPU_LOONGSON3
-       return phys_to_dma(dev, page_to_phys(page));
-#else
-       return page_to_phys(page) | 0x80000000;
-#endif
-}
-
-static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
-       dma_addr_t dma_addr)
-{
-#if defined(CONFIG_CPU_LOONGSON3) && defined(CONFIG_64BIT)
-       return dma_to_phys(dev, dma_addr);
-#elif defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
-       return (dma_addr > 0x8fffffff) ? dma_addr : (dma_addr & 0x0fffffff);
-#else
-       return dma_addr & 0x7fffffff;
-#endif
-}
-
-static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
-       size_t size, enum dma_data_direction direction)
-{
-}
-
-static inline int plat_dma_supported(struct device *dev, u64 mask)
-{
-       /*
-        * we fall back to GFP_DMA when the mask isn't all 1s,
-        * so we can't guarantee allocations that must be
-        * within a tighter range than GFP_DMA..
-        */
-       if (mask < DMA_BIT_MASK(24))
-               return 0;
-
-       return 1;
-}
-
-static inline int plat_device_is_coherent(struct device *dev)
-{
-#ifdef CONFIG_DMA_NONCOHERENT
-       return 0;
-#else
-       return 1;
-#endif /* CONFIG_DMA_NONCOHERENT */
-}
-
-static inline void plat_post_dma_flush(struct device *dev)
-{
-}
-
-#endif /* __ASM_MACH_LOONGSON_DMA_COHERENCE_H */