diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/mips/jazz/jazzdma.c | 6 | ||||
| -rw-r--r-- | arch/mips/mm/dma-noncoherent.c | 29 |
4 files changed, 11 insertions, 27 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 54c52bd0d9d3..96da6e3396e1 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1121,7 +1121,6 @@ config DMA_NONCOHERENT select NEED_DMA_MAP_STATE select DMA_NONCOHERENT_MMAP select DMA_NONCOHERENT_CACHE_SYNC - select DMA_NONCOHERENT_OPS config SYS_HAS_EARLY_PRINTK bool diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index 40d825c779de..b4c477eb46ce 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -12,8 +12,6 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return &jazz_dma_ops; #elif defined(CONFIG_SWIOTLB) return &swiotlb_dma_ops; -#elif defined(CONFIG_DMA_NONCOHERENT_OPS) - return &dma_noncoherent_ops; #else return &dma_direct_ops; #endif diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c index d31bc2f01208..bb49dfa1a9a3 100644 --- a/arch/mips/jazz/jazzdma.c +++ b/arch/mips/jazz/jazzdma.c @@ -564,13 +564,13 @@ static void *jazz_dma_alloc(struct device *dev, size_t size, { void *ret; - ret = dma_direct_alloc(dev, size, dma_handle, gfp, attrs); + ret = dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs); if (!ret) return NULL; *dma_handle = vdma_alloc(virt_to_phys(ret), size); if (*dma_handle == VDMA_ERROR) { - dma_direct_free(dev, size, ret, *dma_handle, attrs); + dma_direct_free_pages(dev, size, ret, *dma_handle, attrs); return NULL; } @@ -587,7 +587,7 @@ static void jazz_dma_free(struct device *dev, size_t size, void *vaddr, vdma_free(dma_handle); if (!(attrs & DMA_ATTR_NON_CONSISTENT)) vaddr = (void *)CAC_ADDR((unsigned long)vaddr); - return dma_direct_free(dev, size, vaddr, dma_handle, attrs); + dma_direct_free_pages(dev, size, vaddr, dma_handle, attrs); } static dma_addr_t jazz_dma_map_page(struct device *dev, struct page *page, diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c index d408ac51f56c..b01b9a3e424f 100644 --- a/arch/mips/mm/dma-noncoherent.c +++ b/arch/mips/mm/dma-noncoherent.c @@ -29,9 +29,6 @@ */ static inline bool cpu_needs_post_dma_flush(struct device *dev) { - if (dev_is_dma_coherent(dev)) - return false; - switch (boot_cpu_type()) { case CPU_R10000: case CPU_R12000: @@ -52,11 +49,8 @@ void *arch_dma_alloc(struct device *dev, size_t size, { void *ret; - ret = dma_direct_alloc(dev, size, dma_handle, gfp, attrs); - if (!ret) - return NULL; - - if (!dev_is_dma_coherent(dev) && !(attrs & DMA_ATTR_NON_CONSISTENT)) { + ret = dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs); + if (!ret && !(attrs & DMA_ATTR_NON_CONSISTENT)) { dma_cache_wback_inv((unsigned long) ret, size); ret = (void *)UNCAC_ADDR(ret); } @@ -67,9 +61,9 @@ void *arch_dma_alloc(struct device *dev, size_t size, void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr, unsigned long attrs) { - if (!(attrs & DMA_ATTR_NON_CONSISTENT) && !dev_is_dma_coherent(dev)) + if (!(attrs & DMA_ATTR_NON_CONSISTENT)) cpu_addr = (void *)CAC_ADDR((unsigned long)cpu_addr); - dma_direct_free(dev, size, cpu_addr, dma_addr, attrs); + dma_direct_free_pages(dev, size, cpu_addr, dma_addr, attrs); } int arch_dma_mmap(struct device *dev, struct vm_area_struct *vma, @@ -78,16 +72,11 @@ int arch_dma_mmap(struct device *dev, struct vm_area_struct *vma, { unsigned long user_count = vma_pages(vma); unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; - unsigned long addr = (unsigned long)cpu_addr; + unsigned long addr = CAC_ADDR((unsigned long)cpu_addr); unsigned long off = vma->vm_pgoff; - unsigned long pfn; + unsigned long pfn = page_to_pfn(virt_to_page((void *)addr)); int ret = -ENXIO; - if (!dev_is_dma_coherent(dev)) - addr = CAC_ADDR(addr); - - pfn = page_to_pfn(virt_to_page((void *)addr)); - if (attrs & DMA_ATTR_WRITE_COMBINE) vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); else @@ -167,8 +156,7 @@ static inline void dma_sync_phys(phys_addr_t paddr, size_t size, void arch_sync_dma_for_device(struct device *dev, phys_addr_t paddr, size_t size, enum dma_data_direction dir) { - if (!dev_is_dma_coherent(dev)) - dma_sync_phys(paddr, size, dir); + dma_sync_phys(paddr, size, dir); } void arch_sync_dma_for_cpu(struct device *dev, phys_addr_t paddr, @@ -183,6 +171,5 @@ void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size, { BUG_ON(direction == DMA_NONE); - if (!dev_is_dma_coherent(dev)) - dma_sync_virt(vaddr, size, direction); + dma_sync_virt(vaddr, size, direction); } |