From 6a1961f49ee8d7339ea2454443dfc0460e0b2748 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Wed, 10 Mar 2010 15:23:39 -0800 Subject: dma-mapping: dma-mapping.h: add dma_set_coherent_mask dma_set_coherent_mask corresponds to pci_set_consistent_dma_mask. This is necessary to move to the generic device model DMA API from the PCI bus specific API in the long term. dma_set_coherent_mask works in the exact same way that pci_set_consistent_dma_mask does. So this patch also changes pci_set_consistent_dma_mask to call dma_set_coherent_mask. Signed-off-by: FUJITA Tomonori Cc: James Bottomley Cc: David S. Miller Cc: Jesse Barnes Cc: Benjamin Herrenschmidt Cc: Russell King Cc: Greg KH Cc: Kay Sievers Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/DMA-API.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'Documentation/DMA-API.txt') diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index 29a48fbae779..0fc5728ed487 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -167,6 +167,16 @@ parameters if it is. Returns: 0 if successful and a negative error if not. +int +dma_set_coherent_mask(struct device *dev, u64 mask) +int +pci_set_consistent_dma_mask(struct pci_device *dev, u64 mask) + +Checks to see if the mask is possible and updates the device +parameters if it is. + +Returns: 0 if successful and a negative error if not. + u64 dma_get_required_mask(struct device *dev) -- cgit v1.2.3