diff options
| author | Loic Poulain <loic.poulain@linaro.org> | 2017-09-05 13:26:03 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2017-10-06 21:35:47 +0300 |
| commit | 6e518111060c2290427d79c43d4add9600ad852b (patch) | |
| tree | bdca1b72a26fd3d293c968b29c7e34d8a6001a3e /drivers/bluetooth | |
| parent | 4bc4e64c2cfdafa6b8ecdcc5edf10cc1a147587f (diff) | |
| download | linux-6e518111060c2290427d79c43d4add9600ad852b.tar.xz | |
Bluetooth: btqcomsmd: Add support for BD address setup
This patch implements the hdev setup function since wcnss-bt does not have
persistent memory to store an allocated BD address. The device is therefore
marked as unconfigured if no BD address has been previously retrieved.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btqcomsmd.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/bluetooth/btqcomsmd.c b/drivers/bluetooth/btqcomsmd.c index d00c4fdae924..bd810d01538a 100644 --- a/drivers/bluetooth/btqcomsmd.c +++ b/drivers/bluetooth/btqcomsmd.c @@ -26,6 +26,7 @@ struct btqcomsmd { struct hci_dev *hdev; + bdaddr_t bdaddr; struct rpmsg_endpoint *acl_channel; struct rpmsg_endpoint *cmd_channel; }; @@ -100,6 +101,38 @@ static int btqcomsmd_close(struct hci_dev *hdev) return 0; } +static int btqcomsmd_setup(struct hci_dev *hdev) +{ + struct btqcomsmd *btq = hci_get_drvdata(hdev); + struct sk_buff *skb; + int err; + + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) + return PTR_ERR(skb); + kfree_skb(skb); + + /* Devices do not have persistent storage for BD address. If no + * BD address has been retrieved during probe, mark the device + * as having an invalid BD address. + */ + if (!bacmp(&btq->bdaddr, BDADDR_ANY)) { + set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); + return 0; + } + + /* When setting a configured BD address fails, mark the device + * as having an invalid BD address. + */ + err = qca_set_bdaddr_rome(hdev, &btq->bdaddr); + if (err) { + set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); + return 0; + } + + return 0; +} + static int btqcomsmd_probe(struct platform_device *pdev) { struct btqcomsmd *btq; @@ -135,6 +168,7 @@ static int btqcomsmd_probe(struct platform_device *pdev) hdev->open = btqcomsmd_open; hdev->close = btqcomsmd_close; hdev->send = btqcomsmd_send; + hdev->setup = btqcomsmd_setup; hdev->set_bdaddr = qca_set_bdaddr_rome; ret = hci_register_dev(hdev); |