linux-kernel - Re: [PATCH v3 2/3] mmc: sdhci-of-arasan: Add DTS property to disable DCMDs.

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Date:   Mon, 25 Mar 2019 14:54:16 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Christoph Müllner 
        <christoph.muellner@...obroma-systems.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Heiko Stuebner <heiko@...ech.de>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Philipp Tomsich <philipp.tomsich@...obroma-systems.com>,
        Michal Simek <michal.simek@...inx.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Douglas Anderson <dianders@...omium.org>,
        Tony Xie <tony.xie@...k-chips.com>,
        Randy Li <ayaka@...lik.info>,
        Vicente Bergas <vicencb@...il.com>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Klaus Goger <klaus.goger@...obroma-systems.com>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v3 2/3] mmc: sdhci-of-arasan: Add DTS property to disable DCMDs.

On Mon, 25 Mar 2019 at 14:39, Christoph Müllner
<christoph.muellner@...obroma-systems.com> wrote:
>
>
> > On 25.03.2019, at 14:27, Ulf Hansson <ulf.hansson@...aro.org> wrote:
> >
> > On Fri, 22 Mar 2019 at 12:39, Christoph Muellner
> > <christoph.muellner@...obroma-systems.com> wrote:
> >>
> >> Direct commands (DCMDs) are an optional feature of eMMC 5.1's command
> >> queue engine (CQE). The Arasan eMMC 5.1 controller uses the CQHCI,
> >> which exposes a control register bit to enable the feature.
> >> The current implementation sets this bit unconditionally.
> >>
> >> This patch allows to suppress the feature activation,
> >> by specifying the property disable-cqe-dcmd.
> >>
> >> Signed-off-by: Christoph Muellner <christoph.muellner@...obroma-systems.com>
> >> Signed-off-by: Philipp Tomsich <philipp.tomsich@...obroma-systems.com>
> >> Acked-by: Adrian Hunter <adrian.hunter@...el.com>
> >
> > Applied for next, thanks!
> >
> > Perhaps both patch1 and patch2 should be tagged for stable? Then
> > please tell me and I can add a tag.
>
> Hi Ulf,
>
> yes tagging for stable would be nice.
> I guess, the following would fit:
>
> Fixes: 84362d79f436 ("mmc: sdhci-of-arasan: Add CQHCI support for arasan,sdhci-5.1")
>

Great, I have added that to both of the commits and a stable tag. Thanks!

[...]

Kind regards
Uffe