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| author | FUJITA Tomonori <tomof@acm.org> | 2008-02-04 22:28:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 09:44:12 -0800 |
| commit | 59fc67dedb46c29442989e52af39da67aea52512 (patch) | |
| tree | d75eb8ce840e1f9d2a2e2dd939e28396750186fb /drivers/pci/probe.c | |
| parent | d22a6966b8029913fac37d078ab2403898d94c63 (diff) | |
| download | kernel_samsung_smdk4412-59fc67dedb46c29442989e52af39da67aea52512.zip kernel_samsung_smdk4412-59fc67dedb46c29442989e52af39da67aea52512.tar.gz kernel_samsung_smdk4412-59fc67dedb46c29442989e52af39da67aea52512.tar.bz2 | |
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>
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index f47d596..4d23b9f 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); |