From: Mark Chen mark-yw.chen@mediatek.com
[ Upstream commit 00c0ee9850b7b0cb7c40b8daba806ae2245e59d4 ]
For Mediatek chipset, it can not enabled if there are something wrong in btmtk_setup_firmware_79xx(). Thus, the process must be terminated and returned error code.
Fixes: fc342c4dc4087 ("Bluetooth: btusb: Add protocol support for MediaTek MT7921U USB devices") Co-developed-by: Sean Wang sean.wang@mediatek.com Signed-off-by: Sean Wang sean.wang@mediatek.com Signed-off-by: Mark Chen mark-yw.chen@mediatek.com Signed-off-by: Marcel Holtmann marcel@holtmann.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/bluetooth/btusb.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index c923c38658baa..a766660603634 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2895,6 +2895,10 @@ static int btusb_mtk_setup(struct hci_dev *hdev) "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", dev_id & 0xffff, (fw_version & 0xff) + 1); err = btusb_mtk_setup_firmware_79xx(hdev, fw_bin_name); + if (err < 0) { + bt_dev_err(hdev, "Failed to set up firmware (%d)", err); + return err; + }
/* It's Device EndPoint Reset Option Register */ btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);