linux-kernel - Re: [PATCH v8 4/6] soc: qcom: Add LLCC support for multi channel DDR

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Message-ID: <50c2777f-de2e-4f57-9a94-ae25c8ee759a@linaro.org>
Date:   Wed, 30 Aug 2023 14:33:08 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Komal Bajaj <quic_kbajaj@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        srinivas.kandagatla@...aro.org, bryan.odonoghue@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 4/6] soc: qcom: Add LLCC support for multi channel DDR

On 30.08.2023 14:32, Konrad Dybcio wrote:
> On 30.08.2023 12:56, Komal Bajaj wrote:
>> Add LLCC support for multi channel DDR configuration
>> based on a feature register.
>>
>> Signed-off-by: Komal Bajaj <quic_kbajaj@...cinc.com>
>> ---
> [...]
> 
> global pointer to a error code to avoid referencing it */
>> @@ -1031,6 +1050,7 @@ static int qcom_llcc_probe(struct platform_device *pdev)
>>  	const struct qcom_llcc_config *cfg;
>>  	const struct llcc_slice_config *llcc_cfg;
>>  	u32 sz;
>> +	u8 cfg_index;
>>  	u32 version;
>>  	struct regmap *regmap;
>>
>> @@ -1052,7 +1072,10 @@ static int qcom_llcc_probe(struct platform_device *pdev)
>>  		ret = -EINVAL;
>>  		goto err;
>>  	}
>> -	cfg = &cfgs->llcc_config[0];
> This is unnecessary, get_cfg_index returns 0 when no nvmem cell is
> present.
Sorry this is a minus and not a plus

Acked-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad