The patch titled
ia64: fix PCI DMA flag propagation on SN (Altix) with PICs
has been added to the -mm tree. Its filename is
ia64-fix-pci-dma-flag-propagation-on-sn-altix-with-pics.patch
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------------------------------------------------------
Subject: ia64: fix PCI DMA flag propagation on SN (Altix) with PICs
From: Jeremy Higdon <jeremy@xxxxxxx>
We recently discovered a problem with passing of DMA attributes on SN
systems with the older PIC chips.
Signed-off-by: Jeremy Higdon <jeremy@xxxxxxx>
Cc: <habeck@xxxxxxx>
Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/ia64/sn/pci/pcibr/pcibr_dma.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff -puN arch/ia64/sn/pci/pcibr/pcibr_dma.c~ia64-fix-pci-dma-flag-propagation-on-sn-altix-with-pics arch/ia64/sn/pci/pcibr/pcibr_dma.c
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c~ia64-fix-pci-dma-flag-propagation-on-sn-altix-with-pics
+++ a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -135,11 +135,10 @@ pcibr_dmatrans_direct64(struct pcidev_in
if (SN_DMA_ADDRTYPE(dma_flags) == SN_DMA_ADDR_PHYS)
pci_addr = IS_PIC_SOFT(pcibus_info) ?
PHYS_TO_DMA(paddr) :
- PHYS_TO_TIODMA(paddr) | dma_attributes;
+ PHYS_TO_TIODMA(paddr);
else
- pci_addr = IS_PIC_SOFT(pcibus_info) ?
- paddr :
- paddr | dma_attributes;
+ pci_addr = paddr;
+ pci_addr |= dma_attributes;
/* Handle Bus mode */
if (IS_PCIX(pcibus_info))
_
Patches currently in -mm which might be from jeremy@xxxxxxx are
ia64-fix-pci-dma-flag-propagation-on-sn-altix-with-pics.patch
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