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author | Mark Chen <mark-yw.chen@mediatek.com> | 2021-12-06 20:33:42 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:03:31 +0300 |
commit | d41946e82718c3a4023ada6583ce026c21159021 (patch) | |
tree | e5e917cf6beeaf1b5e5b747485c8eaa7907384d1 /drivers/bluetooth | |
parent | 006157d575d146255963ffbc81855929accb5993 (diff) | |
download | linux-d41946e82718c3a4023ada6583ce026c21159021.tar.xz |
Bluetooth: btusb: Handle download_firmware failure cases
[ 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>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r-- | drivers/bluetooth/btusb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index fa44828562d3..c99e1e994cd4 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2856,6 +2856,10 @@ 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); |