-stable review patch. If anyone has any objections, please let us know.
------------------
From: Jan Andersson <[email protected]>
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 <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: William Lee Irwin III <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Chris Wright <[email protected]>
---
arch/sparc/kernel/ioport.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- linux-2.6.19.1.orig/arch/sparc/kernel/ioport.c
+++ linux-2.6.19.1/arch/sparc/kernel/ioport.c
@@ -728,7 +728,8 @@ int pci_map_sg(struct pci_dev *hwdev, st
/* 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++;
}
--
-
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