linux-kernel - Re: [PATCH] dmaengine: remove debugfs #ifdef

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Date:   Mon, 20 Sep 2021 14:50:52 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     Hyun Kwon <hyun.kwon@...inx.com>, Vinod Koul <vkoul@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Sanjay R Mehta <sanju.mehta@....com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Arnd Bergmann <arnd@...db.de>,
        Jianqiang Chen <jianqiang.chen@...inx.com>,
        Quanyang Wang <quanyang.wang@...driver.com>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        Allen Pais <apais@...ux.microsoft.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        dmaengine@...r.kernel.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dmaengine: remove debugfs #ifdef

On Mon, Sep 20, 2021 at 2:47 PM Laurent Pinchart
<laurent.pinchart@...asonboard.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