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mcb: Replace ioremap and request_region with the devm version

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Replaced ioremap with devm_ioremap and request_mem_region with
devm_request_mem_region. This makes the code much more cleaner.

Signed-off-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andreas Werner 2016-05-03 12:42:01 +02:00 committed by Greg Kroah-Hartman
parent 5d9e2ab9fe
commit d19366f1d6
1 changed files with 7 additions and 12 deletions
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19
drivers/mcb/mcb-pci.c
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@ -55,19 +55,20 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto out_disable;
}
res = request_mem_region(priv->mapbase, CHAM_HEADER_SIZE,
KBUILD_MODNAME);
res = devm_request_mem_region(&pdev->dev, priv->mapbase,
CHAM_HEADER_SIZE,
KBUILD_MODNAME);
if (!res) {
dev_err(&pdev->dev, "Failed to request PCI memory\n");
ret = -EBUSY;
goto out_disable;
}
priv->base = ioremap(priv->mapbase, CHAM_HEADER_SIZE);
priv->base = devm_ioremap(&pdev->dev, priv->mapbase, CHAM_HEADER_SIZE);
if (!priv->base) {
dev_err(&pdev->dev, "Cannot ioremap\n");
ret = -ENOMEM;
goto out_release;
goto out_disable;
}
flags = pci_resource_flags(pdev, 0);
@ -75,7 +76,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ret = -ENOTSUPP;
dev_err(&pdev->dev,
"IO mapped PCI devices are not supported\n");
goto out_iounmap;
goto out_disable;
}
pci_set_drvdata(pdev, priv);
@ -83,7 +84,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
priv->bus = mcb_alloc_bus(&pdev->dev);
if (IS_ERR(priv->bus)) {
ret = PTR_ERR(priv->bus);
goto out_iounmap;
goto out_disable;
}
priv->bus->get_irq = mcb_pci_get_irq;
@ -101,10 +102,6 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
out_mcb_bus:
mcb_release_bus(priv->bus);
out_iounmap:
iounmap(priv->base);
out_release:
pci_release_region(pdev, 0);
out_disable:
pci_disable_device(pdev);
return ret;
@ -116,8 +113,6 @@ static void mcb_pci_remove(struct pci_dev *pdev)
mcb_release_bus(priv->bus);
iounmap(priv->base);
release_region(priv->mapbase, CHAM_HEADER_SIZE);
pci_disable_device(pdev);
}