ACK: [SRU][R][PATCH 0/1] MT7925 wifi is hard blocked on Dell's machine

[Jian Hui Lee]

Acked-by: Jian Hui Lee <jianhui.lee at canonical.com>

On Mon, Jun 29, 2026 at 5:48 PM AceLan Kao via kernel-team
<kernel-team at lists.ubuntu.com> wrote:
>
> From: "Chia-Lin Kao (AceLan)" <acelan.kao at canonical.com>
>
> BugLink: https://bugs.launchpad.net/bugs/2158229
>
> [Impact]
> The Wi-Fi is hard blocked on Dell systems (CIDs: 202505-36757, 202501-36195, 202501-36253) and HP systems with Mediatek MT7925 cards. The
> wireless connection cannot be used.
>
> The rfkill state shows:
> $ rfkill list
> 0: hci0: Bluetooth
> Soft blocked: no
> Hard blocked: no
> 1: phy0: Wireless LAN
> Soft blocked: no
> Hard blocked: yes
>
> [Fix]
> We revert the hardware rfkill polling feature for Mediatek MT7925 cards. This polling feature was introduced upstream in v6.16.
>
> Reverted commits:
>
> • Revert "wifi: mt76: mt7925: add rfkill_poll for hardware rfkill" (reverts upstream commit e54b870212c079bef4ff61238f8c1278a14d1863 from
> v6.16)
>
> [Test Plan]
> Check the rfkill state on affected hardware:
> $ rfkill list
>
> Without the patches:
> The Wireless LAN interface shows "Hard blocked: yes". The Wi-Fi connection does not work.
>
> With the patches:
> The Wireless LAN interface shows "Hard blocked: no". The Wi-Fi connection works.
>
> [Where problems could occur]
> This change affects the mt76 Mediatek wireless driver.
>
> If a system has a physical wireless switch that needs software polling, the switch will stop working. Toggling the physical switch would not change the Wi-Fi block state.
>
> Chia-Lin Kao (AceLan) (1):
>   UBUNTU: SAUCE: Revert "wifi: mt76: mt7925: add rfkill_poll for
>     hardware rfkill"
>
>  .../wireless/mediatek/mt76/mt76_connac_mcu.h  |  1 -
>  .../net/wireless/mediatek/mt76/mt7925/main.c  | 16 --------
>  .../net/wireless/mediatek/mt76/mt7925/mcu.c   | 37 -------------------
>  .../wireless/mediatek/mt76/mt7925/mt7925.h    |  1 -
>  .../net/wireless/mediatek/mt76/mt7925/pci.c   |  4 --
>  5 files changed, 59 deletions(-)
>
> --
> 2.53.0
>
>
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