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path: root/drivers/nfc/st-nci/vendor_cmds.c
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Diffstat (limited to 'drivers/nfc/st-nci/vendor_cmds.c')
-rw-r--r--drivers/nfc/st-nci/vendor_cmds.c62
1 files changed, 12 insertions, 50 deletions
diff --git a/drivers/nfc/st-nci/vendor_cmds.c b/drivers/nfc/st-nci/vendor_cmds.c
index b5debce4ae0b..1a836c77c268 100644
--- a/drivers/nfc/st-nci/vendor_cmds.c
+++ b/drivers/nfc/st-nci/vendor_cmds.c
@@ -333,62 +333,28 @@ exit:
return r;
}
-void st_nci_hci_loopback_event_received(struct nci_dev *ndev, u8 event,
- struct sk_buff *skb)
-{
- struct st_nci_info *info = nci_get_drvdata(ndev);
-
- switch (event) {
- case ST_NCI_EVT_POST_DATA:
- info->vendor_info.rx_skb = skb;
- break;
- default:
- nfc_err(&ndev->nfc_dev->dev, "Unexpected event on loopback gate\n");
- }
- complete(&info->vendor_info.req_completion);
-}
-EXPORT_SYMBOL(st_nci_hci_loopback_event_received);
-
-static int st_nci_hci_loopback(struct nfc_dev *dev, void *data,
- size_t data_len)
+static int st_nci_loopback(struct nfc_dev *dev, void *data,
+ size_t data_len)
{
int r;
- struct sk_buff *msg;
+ struct sk_buff *msg, *skb;
struct nci_dev *ndev = nfc_get_drvdata(dev);
- struct st_nci_info *info = nci_get_drvdata(ndev);
if (data_len <= 0)
return -EPROTO;
- reinit_completion(&info->vendor_info.req_completion);
- info->vendor_info.rx_skb = NULL;
+ r = nci_nfcc_loopback(ndev, data, data_len, &skb);
+ if (r < 0)
+ return r;
- r = nci_hci_send_event(ndev, NCI_HCI_LOOPBACK_GATE,
- ST_NCI_EVT_POST_DATA, data, data_len);
- if (r != data_len) {
- r = -EPROTO;
- goto exit;
- }
-
- wait_for_completion_interruptible(&info->vendor_info.req_completion);
-
- if (!info->vendor_info.rx_skb ||
- info->vendor_info.rx_skb->len != data_len) {
- r = -EPROTO;
- goto exit;
- }
-
- msg = nfc_vendor_cmd_alloc_reply_skb(ndev->nfc_dev,
- ST_NCI_VENDOR_OUI,
- HCI_LOOPBACK,
- info->vendor_info.rx_skb->len);
+ msg = nfc_vendor_cmd_alloc_reply_skb(dev, ST_NCI_VENDOR_OUI,
+ LOOPBACK, skb->len);
if (!msg) {
r = -ENOMEM;
goto free_skb;
}
- if (nla_put(msg, NFC_ATTR_VENDOR_DATA, info->vendor_info.rx_skb->len,
- info->vendor_info.rx_skb->data)) {
+ if (nla_put(msg, NFC_ATTR_VENDOR_DATA, skb->len, skb->data)) {
kfree_skb(msg);
r = -ENOBUFS;
goto free_skb;
@@ -396,8 +362,7 @@ static int st_nci_hci_loopback(struct nfc_dev *dev, void *data,
r = nfc_vendor_cmd_reply(msg);
free_skb:
- kfree_skb(info->vendor_info.rx_skb);
-exit:
+ kfree_skb(skb);
return r;
}
@@ -485,8 +450,8 @@ static struct nfc_vendor_cmd st_nci_vendor_cmds[] = {
},
{
.vendor_id = ST_NCI_VENDOR_OUI,
- .subcmd = HCI_LOOPBACK,
- .doit = st_nci_hci_loopback,
+ .subcmd = LOOPBACK,
+ .doit = st_nci_loopback,
},
{
.vendor_id = ST_NCI_VENDOR_OUI,
@@ -507,9 +472,6 @@ static struct nfc_vendor_cmd st_nci_vendor_cmds[] = {
int st_nci_vendor_cmds_init(struct nci_dev *ndev)
{
- struct st_nci_info *info = nci_get_drvdata(ndev);
-
- init_completion(&info->vendor_info.req_completion);
return nfc_set_vendor_cmds(ndev->nfc_dev, st_nci_vendor_cmds,
sizeof(st_nci_vendor_cmds));
}