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From:   Arnd Bergmann <arnd@kernel.org>
Date:   Mon, 20 Sep 2021 14:50:52 +0200
Message-ID: <CAK8P3a1fcmCWsOuqF8qy4ko9MC8nCd4gyt2K6Rk5K-Zs7yCbJA@mail.gmail.com>
Subject: Re: [PATCH] dmaengine: remove debugfs #ifdef
To:     Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc:     Hyun Kwon <hyun.kwon@xilinx.com>, Vinod Koul <vkoul@kernel.org>,
        Michal Simek <michal.simek@xilinx.com>,
        Sanjay R Mehta <sanju.mehta@amd.com>,
        Peter Ujfalusi <peter.ujfalusi@ti.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Jianqiang Chen <jianqiang.chen@xilinx.com>,
        Quanyang Wang <quanyang.wang@windriver.com>,
        Yang Li <yang.lee@linux.alibaba.com>,
        Allen Pais <apais@linux.microsoft.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
        Biju Das <biju.das.jz@bp.renesas.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        dmaengine@vger.kernel.org,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Mon, Sep 20, 2021 at 2:47 PM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> It's only a few bytes of data in struct dma_device, but a bit more in
> .text here. Is the simplification really required in this driver ?

The intention was to not change the resulting object code in this driver,
and I still don't see where it would grow after dead-code-elimination removes
all the unused static functions. What am I missing?

        Arnd