diff options
| -rw-r--r-- | target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c b/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c index e932491b92..b22b3b2da7 100644 --- a/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c +++ b/target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c @@ -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; |