AcoSail/kernel_optimize_test
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mlx4_core: Use pci_request_regions()

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The old code used two calls to pci_request_region() to get the two BARs
for the mlx4 device, for no particularly good reason.  Clean up the code
a little by converting this to a single call to pci_request_regions().

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2009-09-05 20:24:48 -07:00
parent e07cccf404
commit a01df0fe5e
1 changed files with 8 additions and 18 deletions
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26
drivers/net/mlx4/main.c
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@ -1070,18 +1070,12 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_disable_pdev;
}
err = pci_request_region(pdev, 0, DRV_NAME);
err = pci_request_regions(pdev, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "Cannot request control region, aborting.\n");
dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n");
goto err_disable_pdev;
}
err = pci_request_region(pdev, 2, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "Cannot request UAR region, aborting.\n");
goto err_release_bar0;
}
pci_set_master(pdev);
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
@ -1090,7 +1084,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
goto err_release_bar2;
goto err_release_regions;
}
}
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
@ -1101,7 +1095,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (err) {
dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
"aborting.\n");
goto err_release_bar2;
goto err_release_regions;
}
}
@ -1110,7 +1104,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
dev_err(&pdev->dev, "Device struct alloc failed, "
"aborting.\n");
err = -ENOMEM;
goto err_release_bar2;
goto err_release_regions;
}
dev = &priv->dev;
@ -1205,11 +1199,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
err_free_dev:
kfree(priv);
err_release_bar2:
pci_release_region(pdev, 2);
err_release_bar0:
pci_release_region(pdev, 0);
err_release_regions:
pci_release_regions(pdev);
err_disable_pdev:
pci_disable_device(pdev);
@ -1265,8 +1256,7 @@ static void mlx4_remove_one(struct pci_dev *pdev)
pci_disable_msix(pdev);
kfree(priv);
pci_release_region(pdev, 2);
pci_release_region(pdev, 0);
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}