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author | David S. Miller <davem@davemloft.net> | 2009-05-18 21:08:20 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-05-18 21:08:20 -0700 |
commit | bb803cfbecb03a0cf8dc7e1864f18dda6631af00 (patch) | |
tree | 6c0989693bea6f50cfa5c6bb14f52ec19668def3 /arch/sh/include/asm/dma-mapping.h | |
parent | 3878fb6fdbceecca20b15748f807340854220f06 (diff) | |
parent | 511e11e396dc596825ce04d53d7f6d579404bc01 (diff) | |
download | linux-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.tar.gz linux-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.tar.xz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/scsi/fcoe/fcoe.c
Diffstat (limited to 'arch/sh/include/asm/dma-mapping.h')
-rw-r--r-- | arch/sh/include/asm/dma-mapping.h | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h index 627315ecdb52..ea9d4f41c9d2 100644 --- a/arch/sh/include/asm/dma-mapping.h +++ b/arch/sh/include/asm/dma-mapping.h @@ -3,6 +3,7 @@ #include <linux/mm.h> #include <linux/scatterlist.h> +#include <linux/dma-debug.h> #include <asm/cacheflush.h> #include <asm/io.h> #include <asm-generic/dma-coherent.h> @@ -38,16 +39,26 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction dir) { + dma_addr_t addr = virt_to_phys(ptr); + #if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT) if (dev->bus == &pci_bus_type) - return virt_to_phys(ptr); + return addr; #endif dma_cache_sync(dev, ptr, size, dir); - return virt_to_phys(ptr); + debug_dma_map_page(dev, virt_to_page(ptr), + (unsigned long)ptr & ~PAGE_MASK, size, + dir, addr, true); + + return addr; } -#define dma_unmap_single(dev, addr, size, dir) do { } while (0) +static inline void dma_unmap_single(struct device *dev, dma_addr_t addr, + size_t size, enum dma_data_direction dir) +{ + debug_dma_unmap_page(dev, addr, size, dir, true); +} static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir) @@ -59,12 +70,19 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir); #endif sg[i].dma_address = sg_phys(&sg[i]); + sg[i].dma_length = sg[i].length; } + debug_dma_map_sg(dev, sg, nents, i, dir); + return nents; } -#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0) +static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir) +{ + debug_dma_unmap_sg(dev, sg, nents, dir); +} static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, @@ -111,6 +129,7 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg, dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir); #endif sg[i].dma_address = sg_phys(&sg[i]); + sg[i].dma_length = sg[i].length; } } @@ -119,6 +138,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev, enum dma_data_direction dir) { dma_sync_single(dev, dma_handle, size, dir); + debug_dma_sync_single_for_cpu(dev, dma_handle, size, dir); } static inline void dma_sync_single_for_device(struct device *dev, @@ -127,6 +147,7 @@ static inline void dma_sync_single_for_device(struct device *dev, enum dma_data_direction dir) { dma_sync_single(dev, dma_handle, size, dir); + debug_dma_sync_single_for_device(dev, dma_handle, size, dir); } static inline void dma_sync_single_range_for_cpu(struct device *dev, @@ -136,6 +157,8 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev, enum dma_data_direction direction) { dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction); + debug_dma_sync_single_range_for_cpu(dev, dma_handle, + offset, size, direction); } static inline void dma_sync_single_range_for_device(struct device *dev, @@ -145,6 +168,8 @@ static inline void dma_sync_single_range_for_device(struct device *dev, enum dma_data_direction direction) { dma_sync_single_for_device(dev, dma_handle+offset, size, direction); + debug_dma_sync_single_range_for_device(dev, dma_handle, + offset, size, direction); } @@ -153,6 +178,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev, enum dma_data_direction dir) { dma_sync_sg(dev, sg, nelems, dir); + debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir); } static inline void dma_sync_sg_for_device(struct device *dev, @@ -160,9 +186,9 @@ static inline void dma_sync_sg_for_device(struct device *dev, enum dma_data_direction dir) { dma_sync_sg(dev, sg, nelems, dir); + debug_dma_sync_sg_for_device(dev, sg, nelems, dir); } - static inline int dma_get_cache_alignment(void) { /* |