X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2FDMA-API.txt;h=d8b63d164e41193927af2c7fb41dcb0893f57878;hb=b6b7922fbda63040946cac8251d5618ee7880e8a;hp=80d150458c80c5ac7f7f5f75b3e6ff8a602a19ca;hpb=c2a3b233450d5bc426c063ea2d8a74351db29ea4;p=linux-2.6 diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index 80d150458c..d8b63d164e 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -298,10 +298,10 @@ recommended that you never use these unless you really know what the cache width is. int -dma_mapping_error(dma_addr_t dma_addr) +dma_mapping_error(struct device *dev, dma_addr_t dma_addr) int -pci_dma_mapping_error(dma_addr_t dma_addr) +pci_dma_mapping_error(struct pci_dev *hwdev, dma_addr_t dma_addr) In some circumstances dma_map_single and dma_map_page will fail to create a mapping. A driver can check for these errors by testing the returned