linux-kernel - Re: [PATCH 5.10 083/299] usb: xhci-mtk: support quirk to disable usb2 lpm

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Message-ID: <20210510121552.GE3547@duo.ucw.cz>
Date:   Mon, 10 May 2021 14:15:52 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 5.10 083/299] usb: xhci-mtk: support quirk to disable
 usb2 lpm

Hi!

> [ Upstream commit bee1f89aad2a51cd3339571bc8eadbb0dc88a683 ]
> 
> The xHCI driver support usb2 HW LPM by default, here add support
> XHCI_HW_LPM_DISABLE quirk, then we can disable usb2 lpm when
> need it.

This is only needed with corresponding DTS, and I don't see such DTS
entry in mainline or stable.

We may not want this in stable.

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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