Commit baabb7f5 authored by Sean Wang's avatar Sean Wang Committed by Marcel Holtmann
Browse files

Bluetooth: btmtksdio: fix the reset takes too long 



Sending WMT command during the reset in progress is invalid and would get
no response from firmware until the reset is complete, so we ignore the WMT
command here to resolve the issue which causes the whole reset process
taking too long.

Fixes: 8fafe702 ("Bluetooth: mt7921s: support bluetooth reset mechanism")
Co-developed-by: default avatarYake Yang <yake.yang@mediatek.com>
Signed-off-by: default avatarYake Yang <yake.yang@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 74697205

drivers/bluetooth/btmtksdio.c

+5 −0
Original line number Diff line number Diff line
@@ -1189,6 +1189,10 @@ static int btmtksdio_shutdown(struct hci_dev *hdev) 
	 */

	pm_runtime_get_sync(bdev->dev);



	/* wmt command only works until the reset is complete */

	if (test_bit(BTMTKSDIO_HW_RESET_ACTIVE, &bdev->tx_state))

		goto ignore_wmt_cmd;



	/* Disable the device */

	wmt_params.op = BTMTK_WMT_FUNC_CTRL;

	wmt_params.flag = 0;
@@ -1202,6 +1206,7 @@ static int btmtksdio_shutdown(struct hci_dev *hdev) 
		return err;

	}



ignore_wmt_cmd:

	pm_runtime_put_noidle(bdev->dev);

	pm_runtime_disable(bdev->dev);