From 59fc67dedb46c29442989e52af39da67aea52512 Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <tomof@acm.org>
Date: Mon, 4 Feb 2008 22:28:14 -0800
Subject: iommu sg merging: PCI: add dma segment boundary support

This adds PCI's accessor for segment_boundary_mask in device_dma_parameters.

The default segment_boundary is set to 0xffffffff, same to the block layer's
default value (and the scsi mid layer uses the same value).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Greg KH <greg@kroah.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/pci/probe.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/pci/probe.c')

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index f47d596d5ebc..4d23b9fb551b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -937,6 +937,7 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
 	dev->dev.coherent_dma_mask = 0xffffffffull;
 
 	pci_set_dma_max_seg_size(dev, 65536);
+	pci_set_dma_seg_boundary(dev, 0xffffffff);
 
 	/* Fix up broken headers */
 	pci_fixup_device(pci_fixup_header, dev);
-- 
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