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Date: Tue, 19 Jan 2016 11:19:40 -0600
From: Rob Herring <robh@kernel.org>
To: P L Sai Krishna <lakshmi.sai.krishna.potthuri@xilinx.com>
Cc: Michal Simek <michal.simek@xilinx.com>,
        Soren Brinkmann <soren.brinkmann@xilinx.com>,
        Ulf Hansson <ulf.hansson@linaro.org>, Kevin Hao <haokexin@gmail.com>,
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        Sudeep Holla <Sudeep.Holla@arm.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Jisheng Zhang <jszhang@marvell.com>,
        "Ivan T. Ivanov" <ivan.ivanov@linaro.org>,
        Scott Branden <sbranden@broadcom.com>,
        Vincent Yang <vincent.yang.fujitsu@gmail.com>,
        Haibo Chen <haibo.chen@freescale.com>, Marek Vasut <marex@denx.de>,
        "ludovic.desroches@atmel.com" <ludovic.desroches@atmel.com>,
        Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>, Suman Tripathi <stripathi@apm.com>,
        Shawn Lin <shawn.lin@rock-chips.com>, devicetree@vger.kernel.org,
        Harini Katakam <harinik@xilinx.com>, linux-mmc@vger.kernel.org,
        linux-kernel@vger.kernel.org, P L Sai Krishna <lakshmis@xilinx.com>,
        Anirudha Sarangi <anirudh@xilinx.com>,
        Punnaiah Choudary Kalluri <punnaia@xilinx.com>,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [LINUX PATCH 2/5] Documentation: mmc: Updated the binding doc
 for Arasan SDHCI.
Message-ID: <20160119171940.GA7207@rob-hp-laptop>
References: <1453213055-35563-1-git-send-email-lakshmis@xilinx.com>
 <1453213055-35563-2-git-send-email-lakshmis@xilinx.com>
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On Tue, Jan 19, 2016 at 07:47:32PM +0530, P L Sai Krishna wrote:
> This patch adds broken-tuning property to the binding
> doc for Arasan SDHCI.
> 
> Signed-off-by: P L Sai Krishna <lakshmis@xilinx.com>
> ---
>  Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> index da541c3..2088d9f 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
> @@ -17,6 +17,10 @@ Required Properties:
>    - interrupt-parent: Phandle for the interrupt controller that services
>  		      interrupts for this device.
>  
> +Optional Properties:
> +  - broken-tuning: Indicates tuning broken in Silicon 1.0 of
> +			  Zynq Ultrascale+ MPSoC.
> +

Make this a standard property.

Or use the compatible string to determine this. Si errata is exactly 
what they are for.

Rob