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Message-ID: <20090227093835.GA306198@sgi.com> Date: Fri, 27 Feb 2009 01:38:35 -0800 From: Jeremy Higdon <jeremy@....com> To: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org Cc: jesse.barnes@...el.com, habeck@....com Subject: [PATCH 1/1] 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. Signed-off-by: Jeremy Higdon <jeremy@....com> --- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c 2009-02-25 23:29:21.000000000 -0800 +++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c 2009-02-25 23:29:09.318611870 -0800 @@ -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)) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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