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-rw-r--r--lib/swiotlb.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index e8a47c8cf77e..d81afab85167 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -145,6 +145,12 @@ static void *swiotlb_bus_to_virt(dma_addr_t address)
145 return phys_to_virt(swiotlb_bus_to_phys(address)); 145 return phys_to_virt(swiotlb_bus_to_phys(address));
146} 146}
147 147
148int __weak swiotlb_arch_address_needs_mapping(struct device *hwdev,
149 dma_addr_t addr, size_t size)
150{
151 return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size);
152}
153
148int __weak swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size) 154int __weak swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size)
149{ 155{
150 return 0; 156 return 0;
@@ -309,10 +315,10 @@ cleanup1:
309 return -ENOMEM; 315 return -ENOMEM;
310} 316}
311 317
312static int 318static inline int
313address_needs_mapping(struct device *hwdev, dma_addr_t addr, size_t size) 319address_needs_mapping(struct device *hwdev, dma_addr_t addr, size_t size)
314{ 320{
315 return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size); 321 return swiotlb_arch_address_needs_mapping(hwdev, addr, size);
316} 322}
317 323
318static inline int range_needs_mapping(phys_addr_t paddr, size_t size) 324static inline int range_needs_mapping(phys_addr_t paddr, size_t size)