• Bug#1108599: firmware-linux-free: please add support MT7921/MT7925 WIFI

    From Ben Hutchings@21:1/5 to All on Sun Jul 6 17:50:01 2025
    XPost: linux.debian.maint.boot

    On Fri, 2025-07-04 at 07:25 +0000, Macpaul Lin (林智斌) wrote:
    On Wed, 2025-07-02 at 20:14 +0200, Ben Hutchings wrote:
    Control: reassign -1 hw-detect
    Control: tag -1 moreinfo

    On Tue, 1 Jul 2025 08:06:34 +0000 =?utf- 8?B?TWFjcGF1bCBMaW4gKOael+aZuuaWjCk=?= <[email protected]>
    wrote:
    Package: firmware-linux-free
    Version: 20241210-2
    Severity: normal

    Dear Maintainer,

    1. Please help to include firmware for MT7921 and MT7925 WIFI Combo cards.
    The firmware should support both WIFI and BT features.

    Your firmware is non-free, so it is packaged separately (source
    package
    firmware-nonfree, binary package firmware-mediatek).  But it is also included in the netinst image.

    The latest netint image I've tested is 'debian-testing-arm64-netinst-20250704-1.iso'.
    There is no such error log during the installation but I think the card
    was not probed.

    I could only locate 'lo' and 'end0' via 'ip link'.

    I've also found there is a defered probe pending for 112f0000.pcie. I'm
    not sure which device use this port. Need to double check it later.

    For that device the PHY driver appears to be phy-mtk-pcie, which is
    *not* currently included in the installer.

    For the other PCIe port the PHY driver appears to be phy-mtk-tphy which
    *is* included in the installer.

    Can you confirm whether I am right about the PHY drivers?

    Is it possible that you originally tested the WiFi/BT card in port 1,
    and then tested it in port 0 this time?

    [...]
    I think the issue could be closed and we should focus on the detection failure in the installer.

    I already reassigned this to the relevant installer component
    (hw-detect) because I thought the only issue was failure to handle the
    firmware installation.

    However, the kernel package (linux) controls the selection of drivers to
    be included in the installer, so a missing PHY driver is a bug there. I
    will duplicate and reassign the bug report again if necessary.

    Ben.

    --
    Ben Hutchings
    Theory and practice are closer in theory than in practice - John Levine

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