diff options
| author | Jan Andersson <jan.andersson@ieee.org> | 2007-01-02 00:09:25 -0800 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2007-01-10 11:05:21 -0800 |
| commit | 4a213fb9c3aa28047a7a8ec78999878feb71a17b (patch) | |
| tree | ec5c2870a88d4e61869f7bda01d484c97eb49ec2 /arch | |
| parent | 6aa513624c75f67c22f3ae094644dd458bdc0204 (diff) | |
[PATCH] sparc32: add offset in pci_map_sg()
Add sg->offset to sg->dvma_address in pci_map_sg() on sparc32. Without the
offset, transfers to buffers that do not begin on a page boundary will not
work as expected.
Signed-off-by: Jan Andersson <jan.andersson@ieee.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/kernel/ioport.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 54d51b404603..7efb262decf8 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -728,7 +728,8 @@ int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, /* IIep is write-through, not flushing. */ for (n = 0; n < nents; n++) { BUG_ON(page_address(sg->page) == NULL); - sg->dvma_address = virt_to_phys(page_address(sg->page)); + sg->dvma_address = + virt_to_phys(page_address(sg->page)) + sg->offset; sg->dvma_length = sg->length; sg++; } |