linux-kernel - Re: [PATCH RFC 1/4] phy: Add provision for tuning phy.

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Message-ID: <CAFp+6iFHO6Nr1KRzNqsZpY29czmvTXqPaVbUz9JRdc8QmPziYQ@mail.gmail.com>
Date:	Wed, 11 Dec 2013 14:02:43 +0530
From:	Vivek Gautam <gautamvivek1987@...il.com>
To:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:	Vivek Gautam <gautam.vivek@...sung.com>,
	Linux USB Mailing List <linux-usb@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, linux-omap@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Felipe Balbi <balbi@...com>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Kukjin Kim <kgene.kim@...sung.com>, kishon <kishon@...com>,
	Jingoo Han <jg1.han@...sung.com>,
	Julius Werner <jwerner@...omium.org>
Subject: Re: [PATCH RFC 1/4] phy: Add provision for tuning phy.

Hi,


On Wed, Dec 11, 2013 at 1:39 PM, Heikki Krogerus
<heikki.krogerus@...ux.intel.com> wrote:
> Hi,
>
> On Wed, Dec 11, 2013 at 12:08:04PM +0530, Vivek Gautam wrote:
>> On Tue, Dec 10, 2013 at 7:31 PM, Heikki Krogerus
>> > I think "setup" instead of "tune" is much more clear and reusable.
>>
>> I think "setup" will look more like first time setting up the phy,
>> which is rather served by "init" callback.
>> This i thought would serve the purpose of over-riding certain PHY
>> parameters, which would not have been
>> possible at "init" time.
>> Please correct my thinking if i am unable to understand your point here.
>
> OK, sorry I was not clear on this. I'm thinking the same, that this is
> something that is called later, for example when the controller is
> ready. Some ULPI phys need to be initialized, but since the controller
> provides the interface, it's usually not possible during init time.
> This hook could be used in that case as well.
>
> All I'm saying is that "tune" is a poor expression. You will need to
> add a comment explaining what the hook does in any case, so you'll
> have something like "this is something that is called when the
> controller is ready" or something similar. That will make it clear
> what it's meant for.

Ok, i think i should have kept a comment atleast :-(
I will add proper comments above, and as suggested in the mail by
Kishon, may be name it calibrate ?
What do you think ?

>
> Thanks,
>
> --
> heikki



-- 
Best Regards
Vivek Gautam
Samsung R&D Institute, Bangalore
India
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