linux-kernel - Re: [PATCH 5/5] arm64: dts: qcom: ipq9574: Disable eMMC node

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Message-ID: <28a6a8f9-8be8-346b-64be-50844ac31ac7@quicinc.com>
Date: Tue, 20 Feb 2024 17:42:26 +0530
From: Md Sadre Alam <quic_mdalam@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: <andersson@...nel.org>, <konrad.dybcio@...aro.org>, <broonie@...nel.org>,
        <robh@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <miquel.raynal@...tlin.com>, <richard@....at>,
        <vigneshr@...com>, <manivannan.sadhasivam@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mtd@...ts.infradead.org>, <quic_srichara@...cinc.com>,
        <quic_varada@...cinc.com>
Subject: Re: [PATCH 5/5] arm64: dts: qcom: ipq9574: Disable eMMC node



On 2/15/2024 8:30 PM, Dmitry Baryshkov wrote:
> On Thu, 15 Feb 2024 at 15:49, Md Sadre Alam <quic_mdalam@...cinc.com> wrote:
>>
>> Disable eMMC node for rdp433, since rdp433 default boot mode
>> is norplusnand.
> 
> Are they exclusive?

   Yes its exclusive, gpios are shared b/w NAND and eMMC so that
   only one could get enable.
> 
>>
>> Co-developed-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
>> Co-developed-by: Varadarajan Narayanan <quic_varada@...cinc.com>
>> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
>> Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
>> index 1bb8d96c9a82..e33e7fafd695 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
>> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
>> @@ -24,7 +24,7 @@ &sdhc_1 {
>>          mmc-hs400-enhanced-strobe;
>>          max-frequency = <384000000>;
>>          bus-width = <8>;
>> -       status = "okay";
>> +       status = "disabled";
>>   };
>>
>>   &tlmm {
>> --
>> 2.34.1
>>
>>
> 
>