diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-12-24 17:10:07 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-01-15 11:35:52 +0300 |
| commit | 543cea9accd9804307541cb93d3ed7ec94b07237 (patch) | |
| tree | 0c163bc368ddf43918498b0d94c9f8d96a7bd503 /arch/ia64/kernel | |
| parent | d5c23ebf1b52526e8e76b18de6a623984585a76a (diff) | |
| download | linux-543cea9accd9804307541cb93d3ed7ec94b07237.tar.xz | |
ia64: use generic swiotlb_ops
These are identical to the ia64 ops, and would also support CMA
if enabled on ia64.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'arch/ia64/kernel')
| -rw-r--r-- | arch/ia64/kernel/pci-swiotlb.c | 38 |
1 files changed, 3 insertions, 35 deletions
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c index 4a9a6e58ad6a..0f8d5fbd86bd 100644 --- a/arch/ia64/kernel/pci-swiotlb.c +++ b/arch/ia64/kernel/pci-swiotlb.c @@ -6,8 +6,7 @@ #include <linux/cache.h> #include <linux/module.h> #include <linux/dma-mapping.h> - -#include <asm/swiotlb.h> +#include <linux/swiotlb.h> #include <asm/dma.h> #include <asm/iommu.h> #include <asm/machvec.h> @@ -15,40 +14,9 @@ int swiotlb __read_mostly; EXPORT_SYMBOL(swiotlb); -static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp, - unsigned long attrs) -{ - if (dev->coherent_dma_mask != DMA_BIT_MASK(64)) - gfp |= GFP_DMA32; - return swiotlb_alloc_coherent(dev, size, dma_handle, gfp); -} - -static void ia64_swiotlb_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_addr, - unsigned long attrs) -{ - swiotlb_free_coherent(dev, size, vaddr, dma_addr); -} - -const struct dma_map_ops ia64_swiotlb_dma_ops = { - .alloc = ia64_swiotlb_alloc_coherent, - .free = ia64_swiotlb_free_coherent, - .map_page = swiotlb_map_page, - .unmap_page = swiotlb_unmap_page, - .map_sg = swiotlb_map_sg_attrs, - .unmap_sg = swiotlb_unmap_sg_attrs, - .sync_single_for_cpu = swiotlb_sync_single_for_cpu, - .sync_single_for_device = swiotlb_sync_single_for_device, - .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu, - .sync_sg_for_device = swiotlb_sync_sg_for_device, - .dma_supported = swiotlb_dma_supported, - .mapping_error = swiotlb_dma_mapping_error, -}; - void __init swiotlb_dma_init(void) { - dma_ops = &ia64_swiotlb_dma_ops; + dma_ops = &swiotlb_dma_ops; swiotlb_init(1); } @@ -60,7 +28,7 @@ void __init pci_swiotlb_init(void) printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n"); machvec_init("dig"); swiotlb_init(1); - dma_ops = &ia64_swiotlb_dma_ops; + dma_ops = &swiotlb_dma_ops; #else panic("Unable to find Intel IOMMU"); #endif |