* [PATCH 2/3] Bluetooth: btusb: Load firmware exclusively for Intel BT
@ 2018-10-03 7:15 Kai-Heng Feng
0 siblings, 0 replies; only message in thread
From: Kai-Heng Feng @ 2018-10-03 7:15 UTC (permalink / raw)
To: Marcel Holtmann, Johan Hedberg
Cc: Kai-Heng Feng, linux-bluetooth, linux-kernel
To avoid the firmware loading race between Bluetooth and WiFi on Intel
8260, load firmware exclusively when IWLWIFI is enabled.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
drivers/bluetooth/btusb.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 61cde1a7ec1b..060e3c6482f4 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2251,8 +2251,16 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
set_bit(BTUSB_DOWNLOADING, &data->flags);
+#if IS_ENABLED(CONFIG_IWLWIFI)
+ btintel_firmware_lock();
+#endif
+
/* Start firmware downloading and get boot parameter */
err = btintel_download_firmware(hdev, fw, &boot_param);
+
+#if IS_ENABLED(CONFIG_IWLWIFI)
+ btintel_firmware_unlock();
+#endif
if (err < 0)
goto done;
--
2.17.1
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