linux-kernel - Re: [PATCH v4 3/4] soc: amlogic: Add support for Secure power domains controller

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Date:   Mon, 11 Nov 2019 06:44:13 -0800
From:   Kevin Hilman <khilman@...libre.com>
To:     Jianxin Pan <jianxin.pan@...ogic.com>,
        linux-amlogic@...ts.infradead.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        "Martin Blumenstingl" <martin.blumenstingl@...glemail.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Jian Hu <jian.hu@...ogic.com>,
        Hanjie Lin <hanjie.lin@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        Xingyu Chen <xingyu.chen@...ogic.com>
Subject: Re: [PATCH v4 3/4] soc: amlogic: Add support for Secure power domains controller

Hi Jianxin,

Jianxin Pan <jianxin.pan@...ogic.com> writes:

[...]

>>> +	SEC_PD(RAMB,	GENPD_FLAG_ALWAYS_ON),
>>> +	SEC_PD(IR,	0),
>>> +	SEC_PD(SPICC,	0),
>>> +	SEC_PD(SPIFC,	0),
>>> +	SEC_PD(USB,	0),
>>> +	/* NIC is for NIC400, and should be always on */
>> 
>> Why?
>> 
> NIC domain is for ARM CoreLink NIC-400 Network Interconnect, and should be always on since bootloader.

OK, makes sense.  I suggest a minor change to the comment to remind that
this is an interconnect:

   /* NIC is for the Arm NIC-400 interconnect, and should be always on */

Thanks,

Kevin