[PATCH AUTOSEL 6.14 044/642] Bluetooth: btmtk: Remove the resetting step before downloading the fw
Sasha Levin
sashal at kernel.org
Mon May 5 15:04:20 PDT 2025
From: Hao Qin <hao.qin at mediatek.com>
[ Upstream commit 33634e2ab7c6369391e0ca4b9b97dc861e33d20e ]
Remove the resetting step before downloading the fw, as it may cause
other usb devices to fail to initialise when connected during boot
on kernels 6.11 and newer.
Signed-off-by: Hao Qin <hao.qin at mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz at intel.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
drivers/bluetooth/btmtk.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
index 68846c5bd4f79..4390fd571dbd1 100644
--- a/drivers/bluetooth/btmtk.c
+++ b/drivers/bluetooth/btmtk.c
@@ -1330,13 +1330,6 @@ int btmtk_usb_setup(struct hci_dev *hdev)
break;
case 0x7922:
case 0x7925:
- /* Reset the device to ensure it's in the initial state before
- * downloading the firmware to ensure.
- */
-
- if (!test_bit(BTMTK_FIRMWARE_LOADED, &btmtk_data->flags))
- btmtk_usb_subsys_reset(hdev, dev_id);
- fallthrough;
case 0x7961:
btmtk_fw_get_filename(fw_bin_name, sizeof(fw_bin_name), dev_id,
fw_version, fw_flavor);
@@ -1345,12 +1338,9 @@ int btmtk_usb_setup(struct hci_dev *hdev)
btmtk_usb_hci_wmt_sync);
if (err < 0) {
bt_dev_err(hdev, "Failed to set up firmware (%d)", err);
- clear_bit(BTMTK_FIRMWARE_LOADED, &btmtk_data->flags);
return err;
}
- set_bit(BTMTK_FIRMWARE_LOADED, &btmtk_data->flags);
-
/* It's Device EndPoint Reset Option Register */
err = btmtk_usb_uhw_reg_write(hdev, MTK_EP_RST_OPT,
MTK_EP_RST_IN_OUT_OPT);
--
2.39.5
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