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-rw-r--r--arch/x86/kernel/pci-swiotlb_64.c2
-rw-r--r--include/linux/swiotlb.h2
-rw-r--r--lib/swiotlb.c10
3 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c
index 5e32c4f6a7ba..34f12e9996ed 100644
--- a/arch/x86/kernel/pci-swiotlb_64.c
+++ b/arch/x86/kernel/pci-swiotlb_64.c
@@ -33,7 +33,7 @@ phys_addr_t swiotlb_bus_to_phys(dma_addr_t baddr)
33 return baddr; 33 return baddr;
34} 34}
35 35
36int __weak swiotlb_arch_range_needs_mapping(void *ptr, size_t size) 36int __weak swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size)
37{ 37{
38 return 0; 38 return 0;
39} 39}
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 493dc17e7c87..ac9ff54f7cb3 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -31,7 +31,7 @@ extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
31 phys_addr_t address); 31 phys_addr_t address);
32extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address); 32extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address);
33 33
34extern int swiotlb_arch_range_needs_mapping(void *ptr, size_t size); 34extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size);
35 35
36extern void 36extern void
37*swiotlb_alloc_coherent(struct device *hwdev, size_t size, 37*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 30fe65ede2bb..31bae40830ca 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -145,7 +145,7 @@ 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_range_needs_mapping(void *ptr, size_t size) 148int __weak swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size)
149{ 149{
150 return 0; 150 return 0;
151} 151}
@@ -315,9 +315,9 @@ address_needs_mapping(struct device *hwdev, dma_addr_t addr, size_t size)
315 return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size); 315 return !is_buffer_dma_capable(dma_get_mask(hwdev), addr, size);
316} 316}
317 317
318static inline int range_needs_mapping(void *ptr, size_t size) 318static inline int range_needs_mapping(phys_addr_t paddr, size_t size)
319{ 319{
320 return swiotlb_force || swiotlb_arch_range_needs_mapping(ptr, size); 320 return swiotlb_force || swiotlb_arch_range_needs_mapping(paddr, size);
321} 321}
322 322
323static int is_swiotlb_buffer(char *addr) 323static int is_swiotlb_buffer(char *addr)
@@ -653,7 +653,7 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
653 * buffering it. 653 * buffering it.
654 */ 654 */
655 if (!address_needs_mapping(dev, dev_addr, size) && 655 if (!address_needs_mapping(dev, dev_addr, size) &&
656 !range_needs_mapping(ptr, size)) 656 !range_needs_mapping(virt_to_phys(ptr), size))
657 return dev_addr; 657 return dev_addr;
658 658
659 /* 659 /*
@@ -804,7 +804,7 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
804 void *addr = sg_virt(sg); 804 void *addr = sg_virt(sg);
805 dma_addr_t dev_addr = swiotlb_virt_to_bus(hwdev, addr); 805 dma_addr_t dev_addr = swiotlb_virt_to_bus(hwdev, addr);
806 806
807 if (range_needs_mapping(addr, sg->length) || 807 if (range_needs_mapping(sg_phys(sg), sg->length) ||
808 address_needs_mapping(hwdev, dev_addr, sg->length)) { 808 address_needs_mapping(hwdev, dev_addr, sg->length)) {
809 void *map = map_single(hwdev, sg_phys(sg), 809 void *map = map_single(hwdev, sg_phys(sg),
810 sg->length, dir); 810 sg->length, dir);