linux-kernel - Re: [RFC PATCH 6/6] char: fastrpc: Add support for compat ioctls

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Message-ID: <CAK8P3a1XaGHu3NrAeLn0OEg0nL1uae_MyrP7EgadJpfeeXtR2Q@mail.gmail.com>
Date:   Fri, 30 Nov 2018 13:58:36 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        gregkh <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, bkumar@....qualcomm.com,
        thierry.escande@...aro.org
Subject: Re: [RFC PATCH 6/6] char: fastrpc: Add support for compat ioctls

On Fri, Nov 30, 2018 at 11:48 AM Srinivas Kandagatla
<srinivas.kandagatla@...aro.org> wrote:
>
> From: Thierry Escande <thierry.escande@...aro.org>
>
> This patch adds support for compat ioctl from 32 bits userland to
> Qualcomm fastrpc driver.
>
> Supported ioctls in this change are INIT, INVOKE, and ALLOC/FREE_DMA.
>
> Most of the work is derived from various downstream Qualcomm kernels.
> Credits to various Qualcomm authors who have contributed to this code.
> Specially Tharun Kumar Merugu <mtharu@...eaurora.org>
>
> Signed-off-by: Thierry Escande <thierry.escande@...aro.org>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

Can't you just define the native ioctls so that you don't need this.

     Arnd