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

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

Co-developed-by: Mark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: Mark-yw Chen <mark-yw.chen@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Sean Wang 2021-11-20 06:25:46 +08:00 committed by Marcel Holtmann
parent d156250018
commit db57b62591
1 changed files with 22 additions and 1 deletions
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23
drivers/bluetooth/btmtksdio.c
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@ -324,8 +324,29 @@ err_out:
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 },
};