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Message-ID: <06a03d3b-f1a1-8058-3b8c-c9786d66d3de@linux.intel.com>
Date:   Mon, 8 May 2023 11:56:35 +0300
From:   Mathias Nyman <mathias.nyman@...ux.intel.com>
To:     Weitao Wang <WeitaoWang-oc@...oxin.com>,
        gregkh@...uxfoundation.org, mathias.nyman@...el.com,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     tonywwang@...oxin.com, weitaowang@...oxin.com,
        stable@...r.kernel.org
Subject: Re: [PATCH v2 1/4] xhci: Add some quirks for zhaoxin xhci to fix
 issues

On 21.4.2023 23.38, Weitao Wang wrote:
> Add a quirk XHCI_ZHAOXIN_HOST for zhaoxin xhci to fix issues,
> there are two cases will be used.
> - add u1/u2 support.
> - fix xHCI root hub speed show issue in zhaoxin platform.
> 
> Add a quirk XHCI_ZHAOXIN_TRB_FETCH to fix TRB prefetch issue.
> 
> On Zhaoxin ZX-100 project, xHCI can't work normally after resume
> from system Sx state. To fix this issue, when resume from system
> sx state, reinitialize xHCI instead of restore.
> So, Add XHCI_RESET_ON_RESUME quirk for zx-100 to fix issue of
> resuming from system sx state.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Weitao Wang <WeitaoWang-oc@...oxin.com>
> ---

I'd split this series into different logical parts:

patch 1/4
   Set XHCI_RESET_ON_RESUME quirk to ZHAOXIN host to fix resume issue.
   cc: stable

patch 2/4
   Add XHCI_ZHAOXIN_TRB_FETCH quirk flag together with code that allocates double pages
   cc: stable

patch 3/4
   Add XHCI_ZHAOXIN_HOST quirk flag together with code that corrects USB3 roothub minor version
   cc: stable

patch 4/4
   Set XHCI_LPM_SUPPORT quirk together with code that sets tier policy and u1/u2 timeouts,
   Don't add stable as this is about adding feature support.

Thanks
-Mathias

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