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Date:   Mon, 28 Dec 2020 15:30:03 +0100
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Ikjoon Jang <ikjn@chromium.org>
Cc:     linux-mediatek@lists.infradead.org, linux-usb@vger.kernel.org,
        Chunfeng Yun <chunfeng.yun@mediatek.com>,
        Zhanyong Wang <zhanyong.wang@mediatek.com>,
        Tianping Fang <tianping.fang@mediatek.com>,
        Mathias Nyman <mathias.nyman@intel.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] usb: xhci-mtk: fix unreleased bandwidth data
Message-ID: <X+nr65vhINCw8fCL@kroah.com>
References: <20201214131640.v3.1.Id0d31b5f3ddf5e734d2ab11161ac5821921b1e1e@changeid>
 <20201214163945.v4.1.Id0d31b5f3ddf5e734d2ab11161ac5821921b1e1e@changeid>
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On Mon, Dec 14, 2020 at 04:39:53PM +0800, Ikjoon Jang wrote:
> xhci-mtk has hooks on add_endpoint() and drop_endpoint() from xhci
> to handle its own sw bandwidth managements and stores bandwidth data
> into internal table every time add_endpoint() is called,
> so when bandwidth allocation fails at one endpoint, all earlier
> allocation from the same interface could still remain at the table.
> 
> This patch adds two more hooks from check_bandwidth() and
> reset_bandwidth(), and make mtk-xhci to releases all failed endpoints
> from reset_bandwidth().
> 
> Fixes: 4b0f7a77fb3c ("usb: xhci-mtk: supports bandwidth scheduling with multi-TT")

This is not a git commit id that is in Linus's tree :(