From: patchwork-bot+bluetooth@kernel.org
To: Rong Zhang <i@rong.moe>
Cc: marcel@holtmann.org, luiz.dentz@gmail.com,
matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com,
luiz.von.dentz@intel.com, Chris.Lu@mediatek.com,
Will-CY.Lee@mediatek.com, ss.wu@mediatek.com,
linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, rafael@rcpassos.me
Subject: Re: [PATCH v3] Bluetooth: Properly disable remote wakeup for MT7922/MT7925 on Ryzen platform
Date: Tue, 01 Sep 2026 20:30:05 +0000 [thread overview]
Message-ID: <178829460590.1836726.11844830813053776119.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260902-btmtk-ryzen-remote-wakeup-v3-1-8a733d0edd7c@rong.moe>
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:
On Wed, 02 Sep 2026 02:19:18 +0800 you wrote:
> It is reported that a remote wakeup could cause MT7922/MT7925's btusb
> interface completely unresponsive. Resetting the xHCI root hub doesn't
> help at all, and recovering from such a state needs a power cycle.
>
> All reports seen to be relevant to Ryzen-based laptops. These NICs are
> usually used as OEM components thanks to some sort of reference designs.
> Their popularity on other platforms is unclear. While there is still a
> chance that the quirk may exist on other platforms, be cautious and only
> apply the quirk to direct children of Ryzen platforms's root hubs for
> the time being. In most cases the root hub is on the SoC or PCH, which
> needs the quirk. Unfortunately, this can't distinguish root hubs on PCIe
> add-in cards. Such roughness should be acceptable, as PCIe USB
> controller add-in cards are less commonly used nowadays. On the other
> hand, applying the quirk doesn't hurt any functionalities either, as the
> device can still be used as a wakeup source if desired. Theoretically,
> we could retrieve the root hub's PCI vendor ID with some hierarchy
> magic, but that's too intrusive...
>
> [...]
Here is the summary with links:
- [v3] Bluetooth: Properly disable remote wakeup for MT7922/MT7925 on Ryzen platform
https://git.kernel.org/bluetooth/bluetooth-next/c/512bf4484766
You are awesome, thank you!
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prev parent reply other threads:[~2026-09-01 20:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-01 18:19 [PATCH v3] Bluetooth: Properly disable remote wakeup for MT7922/MT7925 on Ryzen platform Rong Zhang
2026-09-01 20:30 ` patchwork-bot+bluetooth [this message]
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