From: Loic Poulain <loic.poul...@linaro.org>

Bluetooth BD address can be retrieved in the same way as
for wcnss-wlan MAC address. This patch mainly stores the
local-mac-address property and sets the BD address during
hci device setup.

Signed-off-by: Loic Poulain <loic.poul...@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.anders...@linaro.org>
---
 drivers/bluetooth/btqcomsmd.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/drivers/bluetooth/btqcomsmd.c b/drivers/bluetooth/btqcomsmd.c
index d00c4fdae924..443bb2099329 100644
--- a/drivers/bluetooth/btqcomsmd.c
+++ b/drivers/bluetooth/btqcomsmd.c
@@ -26,6 +26,7 @@
 struct btqcomsmd {
        struct hci_dev *hdev;
 
+       const bdaddr_t *addr;
        struct rpmsg_endpoint *acl_channel;
        struct rpmsg_endpoint *cmd_channel;
 };
@@ -100,6 +101,27 @@ 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;
+
+       skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
+       if (IS_ERR(skb))
+               return PTR_ERR(skb);
+       kfree_skb(skb);
+
+       if (btq->addr) {
+               bdaddr_t bdaddr;
+
+               /* btq->addr stored with most significant byte first */
+               baswap(&bdaddr, btq->addr);
+               return qca_set_bdaddr_rome(hdev, &bdaddr);
+       }
+
+       return 0;
+}
+
 static int btqcomsmd_probe(struct platform_device *pdev)
 {
        struct btqcomsmd *btq;
@@ -123,6 +145,11 @@ static int btqcomsmd_probe(struct platform_device *pdev)
        if (IS_ERR(btq->cmd_channel))
                return PTR_ERR(btq->cmd_channel);
 
+       btq->addr = of_get_property(pdev->dev.of_node, "local-mac-address",
+                                   &ret);
+       if (ret != sizeof(bdaddr_t))
+               btq->addr = NULL;
+
        hdev = hci_alloc_dev();
        if (!hdev)
                return -ENOMEM;
@@ -135,6 +162,7 @@ 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);
-- 
2.12.0

Reply via email to