linux-kernel - Re: [PATCH 0/2] Add a quirk in xhci-plat for parent nodes to specify no 64 bit support

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Message-ID: <CA+Hc5+5ZmywtRdu5KQ=jbgx114c8eJc=TY_KQWWyeuiAC-_7MA@mail.gmail.com>
Date:   Wed, 1 Nov 2023 10:12:05 +0530
From:   Naveen Kumar M <mnkumar@...gle.com>
To:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        royluo@...gle.com, devicetree@...r.kernel.org
Subject: Re: [PATCH 0/2] Add a quirk in xhci-plat for parent nodes to specify
 no 64 bit support

Adding the reviewers/maintainers I missed in the previous mail to this patch

On Tue, Oct 31, 2023 at 10:10 AM Naveen Kumar <mnkumar@...gle.com> wrote:
>
> From: Naveen Kumar M <mnkumar@...gle.com>
>
> This patch aims to expose the XHCI_NO_64BIT_SUPPORT flag to the parent
> nodes of xhci for clients to specify if they can not support 64 bit DMA
> memory pointers. This issue was observed with a Google SoC that uses
> a DWC3 controller where the virtual address's higher order bits are
> truncated
>
> Naveen Kumar M (2):
>   usb: host: xhci-plat: Add quirk-no-64-bit-support
>   dt-bindings: usb: add no-64-bit-support property
>
>  Documentation/devicetree/bindings/usb/usb-xhci.yaml | 4 ++++
>  drivers/usb/host/xhci-plat.c                        | 3 +++
>  2 files changed, 7 insertions(+)
>
> --
> 2.42.0.820.g83a721a137-goog
>