From: Jan Andersson jan.andersson@xxxxxxxx
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@xxxxxxxx>
---
diff -uprN a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
--- a/arch/sparc/kernel/ioport.c 2006-12-28 15:00:46.000000000 +0100
+++ b/arch/sparc/kernel/ioport.c 2006-12-28 16:22:40.000000000 +0100
@@ -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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