linux-kernel - Re: [PATCH 2/3] usb: Add "wake on" functionality for newer Synopsis XHCI controllers

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Message-ID: <38275ba2-a750-9d34-1f2a-e9eccbd2145f@gmail.com>
Date:   Wed, 1 Dec 2021 12:40:24 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Al Cooper <alcooperx@...il.com>, linux-kernel@...r.kernel.org
Cc:     bcm-kernel-feedback-list@...adcom.com,
        Florian Fainelli <f.fainelli@...il.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-phy@...ts.infradead.org,
        Rafał Miłecki <rafal@...ecki.pl>,
        Vinod Koul <vkoul@...nel.org>
Subject: Re: [PATCH 2/3] usb: Add "wake on" functionality for newer Synopsis
 XHCI controllers

On 12/1/21 10:06 AM, Al Cooper wrote:
> Add "wake on" support for the newer Synopsis based XHCI only controller.
> This works on the 72165 and 72164 and newer chips and does not work
> on 7216 based systems. Also switch the USB sysclk to a slower clock
> on suspend to save additional power in S2. The clock switch will only
> save power on the 72165b0 and newer chips and is a nop on older chips.
> 
> Signed-off-by: Al Cooper <alcooperx@...il.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian