From b1d8865a2075934158af41bea5fde725efb70408 Mon Sep 17 00:00:00 2001 From: Bryan O'Sullivan Date: Sat, 1 Jul 2006 04:35:59 -0700 Subject: [PATCH] [PATCH] IB/ipath: print better debug info when handling 32/64-bit DMA mask problems Signed-off-by: Dave Olson Signed-off-by: Bryan O'Sullivan Cc: "Michael S. Tsirkin" Cc: Roland Dreier Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/infiniband/hw/ipath/ipath_driver.c | 23 +++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index 290080b2c8..9763d3af83 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -425,12 +425,29 @@ static int __devinit ipath_init_one(struct pci_dev *pdev, */ 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); -- 2.39.5