From: Sean Wang <sean.wang@xxxxxxxxxxxx>
Add support of processing the firmware coredump and log for the diagnostic
purpose.
Co-developed-by: Mark-yw Chen <mark-yw.chen@xxxxxxxxxxxx>
Signed-off-by: Mark-yw Chen <mark-yw.chen@xxxxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
---
drivers/bluetooth/btmtksdio.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index cae1fcd15512..adf9c89648cc 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -324,8 +324,29 @@ static int btmtksdio_recv_event(struct hci_dev *hdev, struct sk_buff *skb)
return err;
}
+static int btmtksdio_recv_acl(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
+ u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle);
+
+ switch (handle) {
+ case 0xfc6f:
+ /* Firmware dump from device: when the firmware hangs, the
+ * device can no longer suspend and thus disable auto-suspend.
+ */
+ pm_runtime_forbid(bdev->dev);
+ fallthrough;
+ case 0x05ff:
+ case 0x05fe:
+ /* Firmware debug logging */
+ return hci_recv_diag(hdev, skb);
+ }
+
+ return hci_recv_frame(hdev, skb);
+}
+
static const struct h4_recv_pkt mtk_recv_pkts[] = {
- { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_ACL, .recv = btmtksdio_recv_acl },
{ H4_RECV_SCO, .recv = hci_recv_frame },
{ H4_RECV_EVENT, .recv = btmtksdio_recv_event },
};
--
2.25.1
