C++ (Cpp) nci_register_device Examples

Example #1

File: nfcwilink.c Project: AdrianHuang/linux-3.8.13

static int nfcwilink_probe(struct platform_device *pdev)
{
	static struct nfcwilink *drv;
	int rc;
	__u32 protocols;

	nfc_dev_dbg(&pdev->dev, "probe entry");

	drv = kzalloc(sizeof(struct nfcwilink), GFP_KERNEL);
	if (!drv) {
		rc = -ENOMEM;
		goto exit;
	}

	drv->pdev = pdev;

	protocols = NFC_PROTO_JEWEL_MASK
		| NFC_PROTO_MIFARE_MASK | NFC_PROTO_FELICA_MASK
		| NFC_PROTO_ISO14443_MASK
		| NFC_PROTO_ISO14443_B_MASK
		| NFC_PROTO_NFC_DEP_MASK;

	drv->ndev = nci_allocate_device(&nfcwilink_ops,
					protocols,
					NFCWILINK_HDR_LEN,
					0);
	if (!drv->ndev) {
		nfc_dev_err(&pdev->dev, "nci_allocate_device failed");
		rc = -ENOMEM;
		goto free_exit;
	}

	nci_set_parent_dev(drv->ndev, &pdev->dev);
	nci_set_drvdata(drv->ndev, drv);

	rc = nci_register_device(drv->ndev);
	if (rc < 0) {
		nfc_dev_err(&pdev->dev, "nci_register_device failed %d", rc);
		goto free_dev_exit;
	}

	dev_set_drvdata(&pdev->dev, drv);

	goto exit;

free_dev_exit:
	nci_free_device(drv->ndev);

free_exit:
	kfree(drv);

exit:
	return rc;
}

Example #2

File: core.c Project: 020gzh/linux

int st_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
		 int phy_tailroom, struct st_nci_se_status *se_status)
{
	struct st_nci_info *info;
	int r;
	u32 protocols;

	info = devm_kzalloc(ndlc->dev,
			sizeof(struct st_nci_info), GFP_KERNEL);
	if (!info)
		return -ENOMEM;

	protocols = NFC_PROTO_JEWEL_MASK
		| NFC_PROTO_MIFARE_MASK
		| NFC_PROTO_FELICA_MASK
		| NFC_PROTO_ISO14443_MASK
		| NFC_PROTO_ISO14443_B_MASK
		| NFC_PROTO_ISO15693_MASK
		| NFC_PROTO_NFC_DEP_MASK;

	ndlc->ndev = nci_allocate_device(&st_nci_ops, protocols,
					phy_headroom, phy_tailroom);
	if (!ndlc->ndev) {
		pr_err("Cannot allocate nfc ndev\n");
		return -ENOMEM;
	}
	info->ndlc = ndlc;

	nci_set_drvdata(ndlc->ndev, info);

	r = st_nci_vendor_cmds_init(ndlc->ndev);
	if (r) {
		pr_err("Cannot register proprietary vendor cmds\n");
		goto err_reg_dev;
	}

	r = nci_register_device(ndlc->ndev);
	if (r) {
		pr_err("Cannot register nfc device to nci core\n");
		goto err_reg_dev;
	}

	return st_nci_se_init(ndlc->ndev, se_status);

err_reg_dev:
	nci_free_device(ndlc->ndev);
	return r;
}

Example #3

File: main.c Project: 383530895/linux

struct nfcmrvl_private *nfcmrvl_nci_register_dev(void *drv_data,
						 struct nfcmrvl_if_ops *ops,
						 struct device *dev)
{
	struct nfcmrvl_private *priv;
	int rc;
	u32 protocols;

	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	if (!priv)
		return ERR_PTR(-ENOMEM);

	priv->drv_data = drv_data;
	priv->if_ops = ops;
	priv->dev = dev;

	protocols = NFC_PROTO_JEWEL_MASK
		| NFC_PROTO_MIFARE_MASK | NFC_PROTO_FELICA_MASK
		| NFC_PROTO_ISO14443_MASK
		| NFC_PROTO_ISO14443_B_MASK
		| NFC_PROTO_NFC_DEP_MASK;

	priv->ndev = nci_allocate_device(&nfcmrvl_nci_ops, protocols, 0, 0);
	if (!priv->ndev) {
		nfc_err(dev, "nci_allocate_device failed");
		rc = -ENOMEM;
		goto error;
	}

	nci_set_drvdata(priv->ndev, priv);

	rc = nci_register_device(priv->ndev);
	if (rc) {
		nfc_err(dev, "nci_register_device failed %d", rc);
		nci_free_device(priv->ndev);
		goto error;
	}

	nfc_info(dev, "registered with nci successfully\n");
	return priv;

error:
	kfree(priv);
	return ERR_PTR(rc);
}

Example #4

File: st21nfcb.c Project: mikuhatsune001/linux2.6.32

int st21nfcb_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
		       int phy_tailroom)
{
	struct st21nfcb_nci_info *info;
	int r;
	u32 protocols;

	info = devm_kzalloc(ndlc->dev,
			sizeof(struct st21nfcb_nci_info), GFP_KERNEL);
	if (!info)
		return -ENOMEM;

	protocols = NFC_PROTO_JEWEL_MASK
		| NFC_PROTO_MIFARE_MASK
		| NFC_PROTO_FELICA_MASK
		| NFC_PROTO_ISO14443_MASK
		| NFC_PROTO_ISO14443_B_MASK
		| NFC_PROTO_NFC_DEP_MASK;

	ndlc->ndev = nci_allocate_device(&st21nfcb_nci_ops, protocols,
					phy_headroom, phy_tailroom);
	if (!ndlc->ndev) {
		pr_err("Cannot allocate nfc ndev\n");
		r = -ENOMEM;
		goto err_alloc_ndev;
	}
	info->ndlc = ndlc;

	nci_set_drvdata(ndlc->ndev, info);

	r = nci_register_device(ndlc->ndev);
	if (r)
		goto err_regdev;

	return r;
err_regdev:
	nci_free_device(ndlc->ndev);

err_alloc_ndev:
	kfree(info);
	return r;
}