linux-kernel - Re: [PATCH 0/2] usb: override hub device bInterval with device node

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Date:   Sun, 17 Nov 2019 08:14:42 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ikjoon Jang <ikjn@...omium.org>
Cc:     linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alan Stern <stern@...land.harvard.edu>,
        Suwan Kim <suwan.kim027@...il.com>,
        "Gustavo A . R . Silva" <gustavo@...eddedor.com>,
        Johan Hovold <johan@...nel.org>,
        Nicolas Boitchat <drinkcat@...omium.org>
Subject: Re: [PATCH 0/2] usb: override hub device bInterval with device node

On Sun, Nov 17, 2019 at 11:31:49AM +0800, Ikjoon Jang wrote:
> This patchset enables hard wired hub device to use different bInterval
> from its descriptor when the hub has a combined device node.

If it is a hard-wired hub, why can't you change that interval in the
firmware for that hub as you (as a platform owner) have control over
that?

thanks,

greg k-h