[IA64] fix PCI DMA flag propagation on SN (Altix) with PICs

We recently discovered a problem with passing of DMA attributes on SN
systems with the older PIC chips.

[akpm@linux-foundation.org: coding-style fixes]

Signed-off-by: Jeremy Higdon <jeremy@sgi.com>
Cc: <habeck@sgi.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
index e626e50a938a..060df4aa9916 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -135,11 +135,10 @@ pcibr_dmatrans_direct64(struct pcidev_info * info, u64 paddr,
         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))