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    Subject[PATCH 15 of 39] IB/ipath - print better debug info when handling 32/64-bit DMA mask problems
    Date
    From
    Signed-off-by: Dave Olson <dave.olson@qlogic.com>
    Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>

    diff -r e43b4df874a9 -r 125471ee6c68 drivers/infiniband/hw/ipath/ipath_driver.c
    --- a/drivers/infiniband/hw/ipath/ipath_driver.c Thu Jun 29 14:33:25 2006 -0700
    +++ b/drivers/infiniband/hw/ipath/ipath_driver.c Thu Jun 29 14:33:25 2006 -0700
    @@ -425,12 +425,29 @@ static int __devinit ipath_init_one(stru
    */
    ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
    if (ret) {
    - dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
    - "fails: %d\n", dd->ipath_unit, ret);
    + dev_info(&pdev->dev,
    + "Unable to set DMA mask for unit %u: %d\n",
    + dd->ipath_unit, ret);
    goto bail_regions;
    }
    - else
    + else {
    ipath_dbg("No 64bit DMA mask, used 32 bit mask\n");
    + ret = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
    + if (ret)
    + dev_info(&pdev->dev,
    + "Unable to set DMA consistent mask "
    + "for unit %u: %d\n",
    + dd->ipath_unit, ret);
    +
    + }
    + }
    + else {
    + ret = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
    + if (ret)
    + dev_info(&pdev->dev,
    + "Unable to set DMA consistent mask "
    + "for unit %u: %d\n",
    + dd->ipath_unit, ret);
    }

    pci_set_master(pdev);
    -
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