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-rw-r--r--drivers/bluetooth/btusb.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 70513b8d4d4a..b2753d79edcf 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2266,6 +2266,46 @@ done:
return 0;
}
+static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code)
+{
+ struct sk_buff *skb;
+ u8 type = 0x00;
+
+ BT_ERR("%s: Hardware error 0x%2.2x", hdev->name, code);
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: Reset after hardware error failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ return;
+ }
+ kfree_skb(skb);
+
+ skb = __hci_cmd_sync(hdev, 0xfc22, 1, &type, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: Retrieving Intel exception info failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ return;
+ }
+
+ if (skb->len != 13) {
+ BT_ERR("%s: Exception info size mismatch", hdev->name);
+ kfree_skb(skb);
+ return;
+ }
+
+ if (skb->data[0] != 0x00) {
+ BT_ERR("%s: Exception info command failure (%02x)",
+ hdev->name, skb->data[0]);
+ kfree_skb(skb);
+ return;
+ }
+
+ BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1));
+
+ kfree_skb(skb);
+}
+
static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
struct sk_buff *skb;
@@ -2649,12 +2689,14 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_INTEL) {
hdev->setup = btusb_setup_intel;
+ hdev->hw_error = btusb_hw_error_intel;
hdev->set_bdaddr = btusb_set_bdaddr_intel;
}
if (id->driver_info & BTUSB_INTEL_NEW) {
hdev->send = btusb_send_frame_intel;
hdev->setup = btusb_setup_intel_new;
+ hdev->hw_error = btusb_hw_error_intel;
hdev->set_bdaddr = btusb_set_bdaddr_intel;
}