diff options
-rw-r--r-- | arch/x86/kernel/pci-swiotlb_64.c | 2 | ||||
-rw-r--r-- | include/linux/swiotlb.h | 2 | ||||
-rw-r--r-- | lib/swiotlb.c | 10 |
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 | ||
36 | int __weak swiotlb_arch_range_needs_mapping(void *ptr, size_t size) | 36 | int __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); |
32 | extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address); | 32 | extern phys_addr_t swiotlb_bus_to_phys(dma_addr_t address); |
33 | 33 | ||
34 | extern int swiotlb_arch_range_needs_mapping(void *ptr, size_t size); | 34 | extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size); |
35 | 35 | ||
36 | extern void | 36 | extern 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 | ||
148 | int __weak swiotlb_arch_range_needs_mapping(void *ptr, size_t size) | 148 | int __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 | ||
318 | static inline int range_needs_mapping(void *ptr, size_t size) | 318 | static 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 | ||
323 | static int is_swiotlb_buffer(char *addr) | 323 | static 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); |