linux-kernel - Re: [RFC PATCH 1/4] Documentation: mmc: add description for new caps

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Date:	Thu, 23 Jun 2016 09:29:31 +0800
From:	Shawn Lin <shawn.lin@...k-chips.com>
To:	Doug Anderson <dianders@...omium.org>
Cc:	shawn.lin@...k-chips.com, Ulf Hansson <ulf.hansson@...aro.org>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Olof Johansson <olof@...om.net>
Subject: Re: [RFC PATCH 1/4] Documentation: mmc: add description for new caps

在 2016/6/22 23:06, Doug Anderson 写道:
> Hi,
>
> On Wed, Jun 8, 2016 at 1:20 AM, Shawn Lin <shawn.lin@...k-chips.com> wrote:
>> Let's add some basic description for cap-no-sdio,
>> cap-no-sd and cap-no-mmc.
>>
>> Signed-off-by: Shawn Lin <shawn.lin@...k-chips.com>
>>
>> ---
>>
>>  Documentation/devicetree/bindings/mmc/mmc.txt | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
>> index ecc007a..e16d42b 100644
>> --- a/Documentation/devicetree/bindings/mmc/mmc.txt
>> +++ b/Documentation/devicetree/bindings/mmc/mmc.txt
>> @@ -39,6 +39,9 @@ Optional properties:
>>  - cap-power-off-card: powering off the card is safe
>>  - cap-mmc-hw-reset: eMMC hardware reset is supported
>>  - cap-sdio-irq: enable SDIO IRQ signalling on this interface
>> +- cap-no-sdio: skip sending sdio cmd during initialization
>> +- cap-no-sd: skip sending sd cmd during initialization
>> +- cap-no-mmc: skip sending mmc cmd during initialization
>
> In the past it has been determined that the "cap-" prefix is
> unnecessary.  Some properties still have "cap-" because of backward
> compatibility reasons, but as I understand it new properties shouldn't
> start with "cap-".
>
> See <https://lists.ozlabs.org/pipermail/devicetree-discuss/2013-June/034664.html>
> for reference.
>

Really?  was that the final decision? I just see Olof complained it but
don't see other comments from dt maintainer or from mmc
maintainer(Chris Ball)?

Hi Ulf and Rob,

What is your opinion?


> -Doug
>
>
>


-- 
Best Regards
Shawn Lin