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

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Message-ID: <543D4C87.9050703@mm-sol.com>
Date:	Tue, 14 Oct 2014 19:17:11 +0300
From:	Georgi Djakov <gdjakov@...sol.com>
To:	Bjorn Andersson <bjorn@...o.se>
CC:	Kumar Gala <galak@...eaurora.org>,
	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 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.

BR,
Georgi
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