From 4a213fb9c3aa28047a7a8ec78999878feb71a17b Mon Sep 17 00:00:00 2001 From: Jan Andersson Date: Tue, 2 Jan 2007 00:09:25 -0800 Subject: [PATCH] [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 Cc: "David S. Miller" Cc: William Lee Irwin III Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Chris Wright --- arch/sparc/kernel/ioport.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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++; } -- 2.39.5