Commit db57b625 authored by Sean Wang's avatar Sean Wang Committed by Marcel Holtmann
Browse files

Bluetooth: btmtksdio: add support of processing firmware coredump and log 



Add support of processing the firmware coredump and log for the diagnostic
purpose.

Co-developed-by: default avatarMark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: default avatarMark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent d1562500

drivers/bluetooth/btmtksdio.c

+22 −1
Original line number Diff line number Diff line
@@ -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 },

};