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References: <20230628-mtk-usb-v1-1-3c5b2ea3d6b9@chromium.org>
 <CANiDSCsAgD33gMk9-CTGHuUv_b4KfRnO02ETEt6jFtQvw+6cag@mail.gmail.com> <ZJystxdl0jVoe5b6@google.com>
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From:   Ricardo Ribalda <ribalda@chromium.org>
Date:   Thu, 29 Jun 2023 09:13:23 +0200
Message-ID: <CANiDSCu3WOqK9wdLDXmW+zbckq15gmxKjtFA4Aghv6uoidO_3Q@mail.gmail.com>
Subject: Re: [PATCH] usb: xhci-mtk: set the dma max_seg_size
To:     Zubin Mithra <zsm@chromium.org>
Cc:     Chunfeng Yun <chunfeng.yun@mediatek.com>,
        Mathias Nyman <mathias.nyman@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
        linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
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Hi Zubin

On Wed, 28 Jun 2023 at 23:57, Zubin Mithra <zsm@chromium.org> wrote:
>
> On Wed, Jun 28, 2023 at 11:04:20PM +0200, Ricardo Ribalda wrote:
> > On Wed, 28 Jun 2023 at 23:00, Ricardo Ribalda <ribalda@chromium.org> wrote:
> > >
> > > Allow devices to have dma operations beyond 64K, and avoid warnings such
> > > as:
> > >
> > > DMA-API: xhci-mtk 11200000.usb: mapping sg segment longer than device claims to support [len=98304] [max=65536]
> > >
> > > Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> > Reported-by: Zubin Mithra <zsm@chromium.org>
>
> Should this be cc'd to stable@ as well?

Not sure, in most of the cases this is "just" a warning fix. Let the
maintainer decide:

Fixes: 0cbd4b34cda9 ("xhci: mediatek: support MTK xHCI host controller")
Cc: stable@vger.kernel.org