NFC: nfcmrvl: configure head/tail room values per low level drivers
Low-level drivers may need to add some data before and/or
after NCI packet.
Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c
index 6fb23cc..a24a7ca 100644
--- a/drivers/nfc/nfcmrvl/main.c
+++ b/drivers/nfc/nfcmrvl/main.c
@@ -97,14 +97,16 @@
.fw_download = nfcmrvl_nci_fw_download,
};
-struct nfcmrvl_private *nfcmrvl_nci_register_dev(void *drv_data,
+struct nfcmrvl_private *nfcmrvl_nci_register_dev(enum nfcmrvl_phy phy,
+ void *drv_data,
struct nfcmrvl_if_ops *ops,
struct device *dev,
struct nfcmrvl_platform_data *pdata)
{
struct nfcmrvl_private *priv;
int rc;
- int headroom = 0;
+ int headroom;
+ int tailroom;
u32 protocols;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
@@ -114,6 +116,7 @@
priv->drv_data = drv_data;
priv->if_ops = ops;
priv->dev = dev;
+ priv->phy = phy;
memcpy(&priv->config, pdata, sizeof(*pdata));
@@ -126,8 +129,10 @@
nfc_err(dev, "failed to request reset_n io\n");
}
+ headroom = tailroom = 0;
+
if (priv->config.hci_muxed)
- headroom = NFCMRVL_HCI_EVENT_HEADER_SIZE;
+ headroom += NFCMRVL_HCI_EVENT_HEADER_SIZE;
protocols = NFC_PROTO_JEWEL_MASK
| NFC_PROTO_MIFARE_MASK
@@ -138,7 +143,7 @@
| NFC_PROTO_NFC_DEP_MASK;
priv->ndev = nci_allocate_device(&nfcmrvl_nci_ops, protocols,
- headroom, 0);
+ headroom, tailroom);
if (!priv->ndev) {
nfc_err(dev, "nci_allocate_device failed\n");
rc = -ENOMEM;
diff --git a/drivers/nfc/nfcmrvl/nfcmrvl.h b/drivers/nfc/nfcmrvl/nfcmrvl.h
index 1b30f04..f82678be 100644
--- a/drivers/nfc/nfcmrvl/nfcmrvl.h
+++ b/drivers/nfc/nfcmrvl/nfcmrvl.h
@@ -100,7 +100,8 @@
void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv);
int nfcmrvl_nci_recv_frame(struct nfcmrvl_private *priv, struct sk_buff *skb);
-struct nfcmrvl_private *nfcmrvl_nci_register_dev(void *drv_data,
+struct nfcmrvl_private *nfcmrvl_nci_register_dev(enum nfcmrvl_phy phy,
+ void *drv_data,
struct nfcmrvl_if_ops *ops,
struct device *dev,
struct nfcmrvl_platform_data *pdata);
diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c
index 8355824..4dccee2 100644
--- a/drivers/nfc/nfcmrvl/uart.c
+++ b/drivers/nfc/nfcmrvl/uart.c
@@ -138,11 +138,11 @@
pdata = &config;
}
- priv = nfcmrvl_nci_register_dev(nu, &uart_ops, nu->tty->dev, pdata);
+ priv = nfcmrvl_nci_register_dev(NFCMRVL_PHY_UART, nu, &uart_ops,
+ nu->tty->dev, pdata);
if (IS_ERR(priv))
return PTR_ERR(priv);
- priv->phy = NFCMRVL_PHY_UART;
priv->support_fw_dnld = true;
nu->drv_data = priv;
diff --git a/drivers/nfc/nfcmrvl/usb.c b/drivers/nfc/nfcmrvl/usb.c
index b276174..585a0f2 100644
--- a/drivers/nfc/nfcmrvl/usb.c
+++ b/drivers/nfc/nfcmrvl/usb.c
@@ -340,13 +340,12 @@
init_usb_anchor(&drv_data->bulk_anchor);
init_usb_anchor(&drv_data->deferred);
- priv = nfcmrvl_nci_register_dev(drv_data, &usb_ops,
+ priv = nfcmrvl_nci_register_dev(NFCMRVL_PHY_USB, drv_data, &usb_ops,
&drv_data->udev->dev, &config);
if (IS_ERR(priv))
return PTR_ERR(priv);
drv_data->priv = priv;
- drv_data->priv->phy = NFCMRVL_PHY_USB;
drv_data->priv->support_fw_dnld = false;
priv->dev = &drv_data->udev->dev;
