Commit 02d15c43 authored by Randy Dunlap's avatar Randy Dunlap Committed by Linus Torvalds
Browse files

doc: fix DMA-API function parameters 



Fix kernel bugzilla #10388.

DMA-API.txt has wrong argument type for some functions.  It uses struct device
but should use struct pci_dev.

Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Acked-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent cb9fbc5c

Documentation/DMA-API.txt

+2 −2
Original line number Diff line number Diff line
@@ -145,7 +145,7 @@ Part Ic - DMA addressing limitations 
int

dma_supported(struct device *dev, u64 mask)

int

pci_dma_supported(struct device *dev, u64 mask)

pci_dma_supported(struct pci_dev *hwdev, u64 mask)



Checks to see if the device can support DMA to the memory described by

mask.
@@ -189,7 +189,7 @@ dma_addr_t 
dma_map_single(struct device *dev, void *cpu_addr, size_t size,

		      enum dma_data_direction direction)

dma_addr_t

pci_map_single(struct device *dev, void *cpu_addr, size_t size,

pci_map_single(struct pci_dev *hwdev, void *cpu_addr, size_t size,

		      int direction)



Maps a piece of processor virtual memory so it can be accessed by the

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