linux-kernel - Re: [RFC 1/2] mmc: sdhci: dt: Add device tree property sdhci-cap-speed-modes-broken

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Message-ID: <20161026210346.v3aj4fuuryngc52w@rob-hp-laptop>
Date:   Wed, 26 Oct 2016 16:03:46 -0500
From:   Rob Herring <robh@...nel.org>
To:     Zach Brown <zach.brown@...com>
Cc:     ulf.hansson@...aro.org, adrian.hunter@...el.com,
        mark.rutland@....com, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC 1/2] mmc: sdhci: dt: Add device tree property
 sdhci-cap-speed-modes-broken

On Tue, Oct 18, 2016 at 04:05:35PM -0500, Zach Brown wrote:
> On some systems the sdhci capabilty registers are incorrect for one
> reason or another.
> 
> The sdhci-cap-speed-modes-broken property will let the driver know that
> the sdhci capability registers should not be relied on for speed modes.
> Instead the driver should check the mmc generic DT bindings.
> 
> Signed-off-by: Zach Brown <zach.brown@...com>
> ---
>  Documentation/devicetree/bindings/mmc/mmc.txt | 3 +++
>  1 file changed, 3 insertions(+)

Acked-by: Rob Herring <robh@...nel.org>