diff options
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r-- | arch/ia64/kernel/dma-mapping.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c index 7a471d8d67d4..ad7d9963de34 100644 --- a/arch/ia64/kernel/dma-mapping.c +++ b/arch/ia64/kernel/dma-mapping.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -#include <linux/dma-mapping.h> +#include <linux/dma-direct.h> #include <linux/swiotlb.h> #include <linux/export.h> @@ -16,9 +16,26 @@ const struct dma_map_ops *dma_get_ops(struct device *dev) EXPORT_SYMBOL(dma_get_ops); #ifdef CONFIG_SWIOTLB +void *arch_dma_alloc(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) +{ + return dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs); +} + +void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t dma_addr, unsigned long attrs) +{ + dma_direct_free_pages(dev, size, cpu_addr, dma_addr, attrs); +} + +long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr, + dma_addr_t dma_addr) +{ + return page_to_pfn(virt_to_page(cpu_addr)); +} + void __init swiotlb_dma_init(void) { - dma_ops = &swiotlb_dma_ops; swiotlb_init(1); } #endif |