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From:   "Satya Priya Kakitapalli (Temp)" <quic_c_skakit@quicinc.com>
Subject: Re: [PATCH V10 6/9] mfd: pm8008: Add mfd_cell struct to register LDOs
To:     Stephen Boyd <swboyd@chromium.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>
CC:     Lee Jones <lee.jones@linaro.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <quic_collinsd@quicinc.com>,
        <quic_subbaram@quicinc.com>, <quic_jprakash@quicinc.com>
References: <1649939418-19861-1-git-send-email-quic_c_skakit@quicinc.com>
 <1649939418-19861-7-git-send-email-quic_c_skakit@quicinc.com>
 <CAE-0n51oHKdoLi9vgUN1qZv9UU3ipY8aNEtze=maTF8bT4NqpQ@mail.gmail.com>
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Date:   Mon, 18 Apr 2022 20:39:48 +0530
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On 4/15/2022 5:53 AM, Stephen Boyd wrote:
> Quoting Satya Priya (2022-04-14 05:30:15)
>> diff --git a/drivers/mfd/qcom-pm8008.c b/drivers/mfd/qcom-pm8008.c
>> index ca5240d..ab4ba55 100644
>> --- a/drivers/mfd/qcom-pm8008.c
>> +++ b/drivers/mfd/qcom-pm8008.c
>> @@ -282,6 +287,14 @@ static int pm8008_probe(struct i2c_client *client)
>>          }
>>          gpiod_set_value(chip->reset_gpio, 1);
>>
>> +       rc = devm_mfd_add_devices(&chip->clients[PM8008_REGULATORS_SID]->dev,
>> +                       0, pm8008_regulator_devs, ARRAY_SIZE(pm8008_regulator_devs),
>> +                       NULL, 0, NULL);
>> +       if (rc) {
>> +               dev_err(chip->dev, "Failed to add regulators: %d\n", rc);
>> +               return rc;
>> +       }
>> +
>>          return devm_of_platform_populate(chip->dev);
> Can we just use devm_of_platform_populate()? Then have a compatible =
> "qcom,pm8008-regulators" that binds with the regulator platform driver
> and searches for the named regmap for the second i2c client.


On earlier versions we had a separate compatible for regulator driver, I 
had to drop it as per Mark's suggestions here [1], [2].


If Mark is OK with adding a separate compatible, I can add it back.


[1] 
https://patchwork.kernel.org/project/linux-arm-msm/patch/1637314953-4215-3-git-send-email-quic_c_skakit@quicinc.com/#24618011

[2] 
https://patchwork.kernel.org/project/linux-arm-msm/patch/1637314953-4215-3-git-send-email-quic_c_skakit@quicinc.com/#24692220