MediaTek wireless [14c3:0616] didn't work

[Bin Li]

Currently 5.14.0-1008-oem kernel couldn't recognize this card, the wifi didn't work.

[Bin Li (binli)]

https://patchwork.kernel.org/project/linux-mediatek/patch/<email address hidden>/

From: Deren Wu <deren.wu@xxxxxxxxxxxx>

New mt7921 serials chip support

Signed-off-by: Deren Wu <deren.wu@xxxxxxxxxxxx>
---
 drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
index 305b63fa1a8a..0cff7c079b5f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -15,6 +15,8 @@
 static const struct pci_device_id mt7921_pci_device_table[] = {
  { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961) },
  { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7922) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0608) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616) },
  { },
 };

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1954381

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Bin Li (binli)]

Tested the patch in #2, it will fail to start WM firmware, here is another bug for it.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1954300

$ journalctl -b 0 | grep mt7921e
Dec 10 02:35:22 u-x kernel: mt7921e 0000:06:00.0: enabling device (0000 -> 0002)
Dec 10 02:35:22 u-x kernel: mt7921e 0000:06:00.0: disabling ASPM L1
Dec 10 02:35:22 u-x kernel: mt7921e 0000:06:00.0: can't disable ASPM; OS doesn't have ASPM control
Dec 10 02:35:22 u-x kernel: mt7921e 0000:06:00.0: ASIC revision: 79220010
Dec 10 02:35:22 u-x kernel: mt7921e 0000:06:00.0: HW/SW Version: 0x8a108a10, Build Time: 20211014150838a
Dec 10 02:35:22 u-x kernel: mt7921e 0000:06:00.0: WM Firmware Version: ____010000, Build Time: 20211014150922
Dec 10 02:35:25 u-x kernel: mt7921e 0000:06:00.0: Message 80000002 (seq 9) timeout
Dec 10 02:35:25 u-x kernel: mt7921e 0000:06:00.0: Failed to start WM firmware
Dec 10 02:35:25 u-x kernel: mt7921e: probe of 0000:06:00.0 failed with error -110

[Bin Li (binli)]

Updated mediatek/BT_RAM_CODE_MT7961_1_2_hdr.bin from upstream, it didn't work for 0616.