[PATCH 15 of 39] IB/ipath - print better debug info when handling32/64-bit DMA mask problems

From: Bryan O'Sullivan
Date: Thu Jun 29 2006 - 18:00:19 EST


Signed-off-by: Dave Olson <dave.olson@xxxxxxxxxx>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@xxxxxxxxxx>

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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