From b980d477de2d8393f289fee982cd86ee44f5e37c Mon Sep 17 00:00:00 2001
From: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Date: Thu, 25 Jun 2020 16:26:27 -0700
Subject: [PATCH] Bluetooth: btusb: Comment on unbalanced pm reference
Git-commit: b980d477de2d8393f289fee982cd86ee44f5e37c
Patch-mainline: v5.9-rc1
References: jsc#SLE-13430
Add a comment clarifying that a PM reference in btusb_qca_cmd_timeout is
not unbalanced because it results in a device reset.
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/bluetooth/btusb.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f8a71fdabb3d..0e143c0cecf2 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -581,6 +581,7 @@ static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
return;
bt_dev_err(hdev, "Multiple cmd timeouts seen. Resetting usb device.");
+ /* This is not an unbalanced PM reference since the device will reset */
err = usb_autopm_get_interface(data->intf);
if (!err)
usb_queue_reset_device(data->intf);
--
2.16.4