From: <sean.wang@mediatek.com>
To: <marcel@holtmann.org>, <johan.hedberg@gmail.com>, <luiz.dentz@gmail.com>
Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>,
<YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>,
<Eric-SY.Chang@mediatek.com>, <Deren.Wu@mediatek.com>,
<km.lin@mediatek.com>, <robin.chiu@mediatek.com>,
<Eddie.Chen@mediatek.com>, <ch.yeh@mediatek.com>,
<posh.sun@mediatek.com>, <ted.huang@mediatek.com>,
<Stella.Chang@mediatek.com>, <Tom.Chou@mediatek.com>,
<steve.lee@mediatek.com>, <jsiuda@google.com>,
<frankgor@google.com>, <abhishekpandit@google.com>,
<michaelfsun@google.com>, <abhishekpandit@chromium.org>,
<mcchou@chromium.org>, <shawnku@google.com>,
<linux-bluetooth@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH 3/4] Bluetooth: btusb: mediatek: reset the device as WMT failed
Date: Tue, 13 Sep 2022 06:18:12 +0800 [thread overview]
Message-ID: <a432abf4cf95e93783864b27bafa53d45bdd5212.1663020936.git.objelf@gmail.com> (raw)
In-Reply-To: <43b68b1f48c20b1dfcd7e6663c3dcb38e4e0648c.1663020936.git.objelf@gmail.com>
From: Sean Wang <sean.wang@mediatek.com>
Reset the BT device whenever the driver detected any WMT failure happened
to recover such kind of system-level error as soon as possible.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
---
drivers/bluetooth/btusb.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 653f57a98233..dc86726c8271 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2576,6 +2576,10 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
data->evt_skb = NULL;
err_free_wc:
kfree(wc);
+
+ if (err < 0)
+ btmtk_reset_sync(hdev);
+
return err;
}
--
2.25.1
next prev parent reply other threads:[~2022-09-12 22:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-12 22:18 [PATCH 1/4] Bluetooth: btusb: mediatek: use readx_poll_timeout instead of open coding sean.wang
2022-09-12 22:18 ` [PATCH 2/4] Bluetooth: btmtk: introduce btmtk reset work sean.wang
2022-09-12 22:18 ` sean.wang [this message]
2022-09-13 7:49 ` [PATCH 3/4] Bluetooth: btusb: mediatek: reset the device as WMT failed AngeloGioacchino Del Regno
2022-09-14 22:34 ` Sean Wang
2022-09-14 22:45 ` Luiz Augusto von Dentz
2022-09-15 1:57 ` Sean Wang
2022-09-12 22:18 ` [PATCH 4/4] Bluetooth: btusb: mediatek: add MediaTek devcoredump support sean.wang
2022-09-13 6:29 ` kernel test robot
2022-09-13 10:56 ` kernel test robot
2022-09-13 10:56 ` kernel test robot
2022-09-12 23:10 ` [1/4] Bluetooth: btusb: mediatek: use readx_poll_timeout instead of open coding bluez.test.bot
2022-09-13 7:47 ` [PATCH 1/4] " AngeloGioacchino Del Regno
2022-09-14 22:59 ` Sean Wang
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