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Subject: Re: [PATCH 4/4] regulator: adding interrupt handling in labibb
 regulator
To:     Mark Brown <broonie@kernel.org>
Cc:     bjorn.andersson@linaro.org, robh+dt@kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
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        david.brown@linaro.org, linux-kernel@vger.kernel.org,
        kgunda@codeaurora.org, rnayak@codeaurora.org
References: <1560337252-27193-1-git-send-email-nishakumari@codeaurora.org>
 <1560337252-27193-5-git-send-email-nishakumari@codeaurora.org>
 <20190613172738.GO5316@sirena.org.uk>
From:   Nisha Kumari <nishakumari@codeaurora.org>
Message-ID: <8294996d-84ee-dff2-7369-00c17348a09c@codeaurora.org>
Date:   Tue, 18 Jun 2019 11:53:57 +0530
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On 6/13/2019 10:57 PM, Mark Brown wrote:
> On Wed, Jun 12, 2019 at 04:30:52PM +0530, Nisha Kumari wrote:
>
>> +static void labibb_sc_err_recovery_work(void *_labibb)
>> +{
>> +	int ret;
>> +	struct qcom_labibb *labibb = (struct qcom_labibb *)_labibb;
>> +
>> +	labibb->ibb_vreg.vreg_enabled = 0;
>> +	labibb->lab_vreg.vreg_enabled = 0;
>> +
>> +	ret = qcom_ibb_regulator_enable(labibb->lab_vreg.rdev);
> The driver should *never* enable the regulator itself, it should only do
> this if the core told it to.
Ok, I will change it
>
>> +	/*
>> +	 * The SC(short circuit) fault would trigger PBS(Portable Batch
>> +	 * System) to disable regulators for protection. This would
>> +	 * cause the SC_DETECT status being cleared so that it's not
>> +	 * able to get the SC fault status.
>> +	 * Check if LAB/IBB regulators are enabled in the driver but
>> +	 * disabled in hardware, this means a SC fault had happened
>> +	 * and SCP handling is completed by PBS.
>> +	 */
> Let the core worry about this, the driver should just report the problem
> to the core like all other devices do (and this driver doesn't...).

Ok


Thanks,

Nisha