linux-kernel - Re: [PATCH v8 08/12] mfd: intel-peci-client: Add PECI client MFD driver

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Message-ID: <509c4c0e-eabb-2276-3ffd-3fc675801142@linux.intel.com>
Date:   Thu, 25 Oct 2018 09:16:01 -0700
From:   Jae Hyun Yoo <jae.hyun.yoo@...ux.intel.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Mark Rutland <mark.rutland@....com>,
        Joel Stanley <joel@....id.au>,
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        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
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        Kishon Vijay Abraham I <kishon@...com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
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        Tomohiro Kusumi <kusumi.tomohiro@...il.com>,
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        Vernon Mauery <vernon.mauery@...ux.intel.com>
Subject: Re: [PATCH v8 08/12] mfd: intel-peci-client: Add PECI client MFD
 driver

On 10/24/2018 10:30 PM, Lee Jones wrote:
> On Wed, 24 Oct 2018, Jae Hyun Yoo wrote:
>> On 10/24/2018 3:59 AM, Lee Jones wrote:
>>> On Tue, 18 Sep 2018, Jae Hyun Yoo wrote:
>>>
>>>> This commit adds PECI client MFD driver.
>>>>
>>
>> <snip>
> 
> [...]
> 
>>>> +bool peci_temp_need_update(struct temp_data *temp)
>>>> +{
>>>> +	if (temp->valid &&
>>>> +	    time_before(jiffies, temp->last_updated + UPDATE_INTERVAL))
>>>> +		return false;
>>>> +
>>>> +	return true;
>>>> +}
>>>> +EXPORT_SYMBOL_GPL(peci_temp_need_update);
>>>> +
>>>> +void peci_temp_mark_updated(struct temp_data *temp)
>>>> +{
>>>> +	temp->valid = 1;
>>>> +	temp->last_updated = jiffies;
>>>> +}
>>>> +EXPORT_SYMBOL_GPL(peci_temp_mark_updated);
>>>
>>> These are probably better suited as inline functions to be placed in
>>> a header file.  No need to export them, since they only use their own
>>> data.
> 
> Also move them into the HWMON header file.
> 
> They have no business in MFD.
> 

Agreed. I'll move them into the HWMON header.

> [...]
> 
>>>> +int peci_client_rd_pkg_cfg_cmd(struct peci_mfd *priv, u8 mbx_idx,
>>>
>>> This is gobbledegook.  What's rd?  Read?
>>>
>>
>> Yes, the 'rd' means 'read'. I intended to keep command names as listed
>> in the PECI specification such as RdPkgConfig, WrPkgConfig and so on.
>> Should I change it to 'peci_client_read_package_config_command' ?
> 
> I looks/reads a lot nicer, don't you think?
> 

Okay. I'll change it too.

Thanks again for your review, Lee!

Jae

> [...]
>