linux-kernel - Re: [PATCH v2 4/4] usb: host: add xhci-exynos module

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Message-ID: <b6a5a2c9-84af-5cd3-b411-6e04895f8f67@canonical.com>
Date:   Tue, 8 Mar 2022 16:37:18 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Daehwan Jung <dh10.jung@...sung.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     "open list:USB XHCI DRIVER" <linux-usb@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Howard Yen <howardyen@...gle.com>,
        Jack Pham <jackp@...eaurora.org>,
        Puma Hsu <pumahsu@...gle.com>,
        "J . Avila" <elavila@...gle.com>, sc.suh@...sung.com,
        cpgs@...sung.com, cpgsproxy5@...sung.com
Subject: Re: [PATCH v2 4/4] usb: host: add xhci-exynos module

On 07/03/2022 11:17, Daehwan Jung wrote:
> This is for reference to introduce usb offload as seeing how a user does.
> We only care DCBAA, Device Context, Transfer Ring, Event Ring, and ERST.
> They are allocated on specific address(SRAM) for Co-Processor.
> Co-processor could use them directly without xhci driver after then.
> 
> Signed-off-by: Daehwan Jung <dh10.jung@...sung.com>
> ---
>  drivers/usb/host/xhci-exynos.c | 2025 ++++++++++++++++++++++++++++++++
>  drivers/usb/host/xhci-exynos.h |  150 +++
>  2 files changed, 2175 insertions(+)
>  create mode 100644 drivers/usb/host/xhci-exynos.c
>  create mode 100644 drivers/usb/host/xhci-exynos.h
> 

NAK. I wrote in reply to your v1 - you need an in-tree user. Not
out-of-tree.

Best regards,
Krzysztof