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Message-ID: <3bdc4c6b-2fb9-bcdb-934c-350b7056a4e4@quicinc.com>
Date:   Thu, 24 Aug 2023 14:28:35 +0530
From:   Komal Bajaj <quic_kbajaj@...cinc.com>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>, <agross@...nel.org>,
        <andersson@...nel.org>, <konrad.dybcio@...aro.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <srinivas.kandagatla@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/6] soc: qcom: Add LLCC support for multi channel DDR



On 8/10/2023 6:02 PM, Bryan O'Donoghue wrote:
> On 10/08/2023 07:11, Komal Bajaj wrote:
>> +    ret = nvmem_cell_read_u8(&pdev->dev, "multi-chan-ddr", cfg_index);
>> +    if (ret == -ENOENT || ret == -EOPNOTSUPP) {
>> +        if (num_config != DEF_NUM_CFG)
>> +            return -EINVAL;
>
> In other words if multi-chan-ddr is not present in the dts and the 
> num_config != 1 return -EINVAL
>
> You can just as easily say if (num_config > 1) and drop the define 
> from this code.

Sure, will make the suggested changes.

>
>> +        *cfg_index = DEF_NUM_CFG - 1;
>> +        return 0;
>
> *cfg_index = 0;
>
> For example if #define DEF_NUM_CFG 0x20 then taking the last index of 
> it would be 100% wrong.
>
> Please kill that define.

Will remove the macro.

>
> ---
> bod

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