linux-kernel - Re: [PATCH v2 3/3] ARM: dts: qcom: Add SDHC nodes for APQ8084 platform

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Date:	Wed, 15 Oct 2014 09:56:02 +0200
From:	Kumar Gala <galak@...eaurora.org>
To:	Georgi Djakov <gdjakov@...sol.com>
Cc:	Bjorn Andersson <bjorn@...o.se>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Russell King <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	"Ivan T. Ivanov" <iivanov@...sol.com>
Subject: Re: [PATCH v2 3/3] ARM: dts: qcom: Add SDHC nodes for APQ8084 platform


On Oct 14, 2014, at 6:17 PM, Georgi Djakov <gdjakov@...sol.com> wrote:

> On 10/10/2014 08:14 PM, Bjorn Andersson wrote:
>> On Tue, Sep 2, 2014 at 8:40 AM, Georgi Djakov <gdjakov@...sol.com> wrote:
>>> Enable support for the two SD host controllers on the APQ8084 platform
>>> by adding the required nodes to the DT files.
>>> On the IFC6540 board, the first controller is connected to the onboard
>>> eMMC and the second is connected to a micro-SD card slot.
>>> 
>>> Signed-off-by: Georgi Djakov <gdjakov@...sol.com>
>> 
>> Hi Georgi,
>> 
>> This looks sane, but...
>> 
>>> ---
>>> arch/arm/boot/dts/qcom-apq8084-ifc6540.dts |   11 +++++++++++
>>> arch/arm/boot/dts/qcom-apq8084.dtsi        |   23 +++++++++++++++++++++++
>>> 2 files changed, 34 insertions(+)
>>> 
>>> diff --git a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
>>> index e41cb8a..c9ff108 100644
>>> --- a/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
>>> +++ b/arch/arm/boot/dts/qcom-apq8084-ifc6540.dts
>> [..]
>>> +               sdhci@...a4900 {
>>> +                       cd-gpios = <&tlmm 122 GPIO_ACTIVE_LOW>;
>>> +                       bus-width = <4>;
>> 
>> ...why do you add this node and leave it disabled in the dts?
>> 
> 
> Hi Bjorn,
> Currently only the eMMC is functional on this board, so now we
> have just the board specific configuration under this node.
> More patches are forthcoming.

Can we add something in the commit message to denote this.

- k

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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