Bluetooth: btqcomsmd: use HCI_QUIRK_USE_BDADDR_PROPERTY
authorMatthias Kaehlcke <mka@chromium.org>
Tue, 19 Feb 2019 20:05:58 +0000 (12:05 -0800)
committerMarcel Holtmann <marcel@holtmann.org>
Tue, 26 Feb 2019 09:08:26 +0000 (10:08 +0100)
Use the HCI_QUIRK_USE_BDADDR_PROPERTY quirk to let the HCI
core handle the reading of 'local-bd-address'. With this there
is no need to set HCI_QUIRK_INVALID_BDADDR, the case of a
non-existing or invalid fwnode property is handled by the core
code.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
drivers/bluetooth/btqcomsmd.c

index 7df3eed..e0d4c6f 100644 (file)
@@ -28,7 +28,6 @@
 struct btqcomsmd {
        struct hci_dev *hdev;
 
-       bdaddr_t bdaddr;
        struct rpmsg_endpoint *acl_channel;
        struct rpmsg_endpoint *cmd_channel;
 };
@@ -116,32 +115,17 @@ static int btqcomsmd_close(struct hci_dev *hdev)
 
 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.
+       /* Devices do not have persistent storage for BD address. Retrieve
+        * it from the firmware node property.
         */
-       err = qca_set_bdaddr_rome(hdev, &btq->bdaddr);
-       if (err) {
-               set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
-               return 0;
-       }
+       set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
 
        return 0;
 }
@@ -169,15 +153,6 @@ static int btqcomsmd_probe(struct platform_device *pdev)
        if (IS_ERR(btq->cmd_channel))
                return PTR_ERR(btq->cmd_channel);
 
-       /* The local-bd-address property is usually injected by the
-        * bootloader which has access to the allocated BD address.
-        */
-       if (!of_property_read_u8_array(pdev->dev.of_node, "local-bd-address",
-                                      (u8 *)&btq->bdaddr, sizeof(bdaddr_t))) {
-               dev_info(&pdev->dev, "BD address %pMR retrieved from device-tree",
-                        &btq->bdaddr);
-       }
-
        hdev = hci_alloc_dev();
        if (!hdev)
                return -ENOMEM;