Commit 1d32251e authored by Ian Campbell's avatar Ian Campbell Committed by Ingo Molnar

x86/swiotlb: add default phys<->bus conversion

Xen will override these later on.
Signed-off-by: default avatarIan Campbell <ian.campbell@citrix.com>
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent cfb80c9e
...@@ -23,6 +23,16 @@ void *swiotlb_alloc(unsigned order, unsigned long nslabs) ...@@ -23,6 +23,16 @@ void *swiotlb_alloc(unsigned order, unsigned long nslabs)
return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order);
} }
dma_addr_t swiotlb_phys_to_bus(phys_addr_t paddr)
{
return paddr;
}
phys_addr_t swiotlb_bus_to_phys(dma_addr_t baddr)
{
return baddr;
}
static dma_addr_t static dma_addr_t
swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size, swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size,
int direction) int direction)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment