[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 <[e-mail]>
Cc: "David S. Miller" <[e-mail]>
Cc: William Lee Irwin III <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/sparc/kernel/ioport.c

···
 	/* 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++;
 	}