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ar71xx: ar934x_nfc: use devm_* functions

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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38067
This commit is contained in:
Gabor Juhos 2013-09-19 18:43:38 +00:00
parent 54c0e72f9d
commit df8485c7cb
1 changed files with 6 additions and 15 deletions
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21
target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c
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@ -1022,24 +1022,22 @@ ar934x_nfc_probe(struct platform_device *pdev)
return -EINVAL;
}
nfc = kzalloc(sizeof(struct ar934x_nfc), GFP_KERNEL);
nfc = devm_kzalloc(&pdev->dev, sizeof(struct ar934x_nfc), GFP_KERNEL);
if (!nfc) {
dev_err(&pdev->dev, "failed to allocate driver data\n");
return -ENOMEM;
}
nfc->base = ioremap(res->start, resource_size(res));
if (nfc->base == NULL) {
nfc->base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(nfc->base)) {
dev_err(&pdev->dev, "failed to remap I/O memory\n");
ret = -ENXIO;
goto err_free_nand;
return PTR_ERR(nfc->base);
}
nfc->irq = platform_get_irq(pdev, 0);
if (nfc->irq < 0) {
dev_err(&pdev->dev, "no IRQ resource specified\n");
ret = -EINVAL;
goto err_unmap;
return -EINVAL;
}
init_waitqueue_head(&nfc->irq_waitq);
@ -1047,7 +1045,7 @@ ar934x_nfc_probe(struct platform_device *pdev)
dev_name(&pdev->dev), nfc);
if (ret) {
dev_err(&pdev->dev, "requast_irq failed, err:%d\n", ret);
goto err_unmap;
return ret;
}
nfc->parent = &pdev->dev;
@ -1120,11 +1118,6 @@ err_free_buf:
ar934x_nfc_free_buf(nfc);
err_free_irq:
free_irq(nfc->irq, nfc);
err_unmap:
iounmap(nfc->base);
err_free_nand:
kfree(nfc);
platform_set_drvdata(pdev, NULL);
return ret;
}
@ -1138,8 +1131,6 @@ ar934x_nfc_remove(struct platform_device *pdev)
nand_release(&nfc->mtd);
ar934x_nfc_free_buf(nfc);
free_irq(nfc->irq, nfc);
iounmap(nfc->base);
kfree(nfc);
}
return 0;