diff options
Diffstat (limited to 'arch/m68k/kernel')
| -rw-r--r-- | arch/m68k/kernel/dma.c | 61 | ||||
| -rw-r--r-- | arch/m68k/kernel/syscalltable.S | 1 |
2 files changed, 28 insertions, 34 deletions
diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c index 564665f9a..cbc78b411 100644 --- a/arch/m68k/kernel/dma.c +++ b/arch/m68k/kernel/dma.c @@ -18,8 +18,8 @@ #if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE) -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t flag) +static void *m68k_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, + gfp_t flag, struct dma_attrs *attrs) { struct page *page, **map; pgprot_t pgprot; @@ -61,8 +61,8 @@ void *dma_alloc_coherent(struct device *dev, size_t size, return addr; } -void dma_free_coherent(struct device *dev, size_t size, - void *addr, dma_addr_t handle) +static void m68k_dma_free(struct device *dev, size_t size, void *addr, + dma_addr_t handle, struct dma_attrs *attrs) { pr_debug("dma_free_coherent: %p, %x\n", addr, handle); vfree(addr); @@ -72,8 +72,8 @@ void dma_free_coherent(struct device *dev, size_t size, #include <asm/cacheflush.h> -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +static void *m68k_dma_alloc(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, struct dma_attrs *attrs) { void *ret; /* ignore region specifiers */ @@ -90,19 +90,16 @@ void *dma_alloc_coherent(struct device *dev, size_t size, return ret; } -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +static void m68k_dma_free(struct device *dev, size_t size, void *vaddr, + dma_addr_t dma_handle, struct dma_attrs *attrs) { free_pages((unsigned long)vaddr, get_order(size)); } #endif /* CONFIG_MMU && !CONFIG_COLDFIRE */ -EXPORT_SYMBOL(dma_alloc_coherent); -EXPORT_SYMBOL(dma_free_coherent); - -void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir) +static void m68k_dma_sync_single_for_device(struct device *dev, + dma_addr_t handle, size_t size, enum dma_data_direction dir) { switch (dir) { case DMA_BIDIRECTIONAL: @@ -118,10 +115,9 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, break; } } -EXPORT_SYMBOL(dma_sync_single_for_device); -void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sglist, - int nents, enum dma_data_direction dir) +static void m68k_dma_sync_sg_for_device(struct device *dev, + struct scatterlist *sglist, int nents, enum dma_data_direction dir) { int i; struct scatterlist *sg; @@ -131,31 +127,19 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sglist, dir); } } -EXPORT_SYMBOL(dma_sync_sg_for_device); - -dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size, - enum dma_data_direction dir) -{ - dma_addr_t handle = virt_to_bus(addr); - - dma_sync_single_for_device(dev, handle, size, dir); - return handle; -} -EXPORT_SYMBOL(dma_map_single); -dma_addr_t dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir) +static dma_addr_t m68k_dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs) { dma_addr_t handle = page_to_phys(page) + offset; dma_sync_single_for_device(dev, handle, size, dir); return handle; } -EXPORT_SYMBOL(dma_map_page); -int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, - enum dma_data_direction dir) +static int m68k_dma_map_sg(struct device *dev, struct scatterlist *sglist, + int nents, enum dma_data_direction dir, struct dma_attrs *attrs) { int i; struct scatterlist *sg; @@ -167,4 +151,13 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, } return nents; } -EXPORT_SYMBOL(dma_map_sg); + +struct dma_map_ops m68k_dma_ops = { + .alloc = m68k_dma_alloc, + .free = m68k_dma_free, + .map_page = m68k_dma_map_page, + .map_sg = m68k_dma_map_sg, + .sync_single_for_device = m68k_dma_sync_single_for_device, + .sync_sg_for_device = m68k_dma_sync_sg_for_device, +}; +EXPORT_SYMBOL(m68k_dma_ops); diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index 282cd903f..8bb94261f 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -396,3 +396,4 @@ ENTRY(sys_call_table) .long sys_userfaultfd .long sys_membarrier .long sys_mlock2 /* 375 */ + .long sys_copy_file_range |