linux-kernel - RE: [NEW DRIVER V4 7/7] DA9058 REGULATOR driver

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Message-ID: <24DF37198A1E704D9811D8F72B87EB514191E2C3@NB-EX-MBX02.diasemi.com>
Date:	Tue, 16 Apr 2013 09:17:27 +0000
From:	"Opensource [Anthony Olech]" <anthony.olech.opensource@...semi.com>
To:	Guenter Roeck <linux@...ck-us.net>,
	"Opensource [Anthony Olech]" <anthony.olech.opensource@...semi.com>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: RE: [NEW DRIVER V4 7/7] DA9058 REGULATOR driver

> -----Original Message-----
> From: Guenter Roeck [mailto:linux@...ck-us.net]
> Sent: 15 April 2013 18:46
> To: Opensource [Anthony Olech]
> Cc: LKML
> Subject: Re: [NEW DRIVER V4 7/7] DA9058 REGULATOR driver
> 
> On Mon, Apr 15, 2013 at 05:29:13PM +0000, Opensource [Anthony Olech]
> wrote:
> > > -----Original Message-----
> > > From: Guenter Roeck [mailto:linux@...ck-us.net]
> > > Sent: 15 April 2013 17:36
> > > To: Opensource [Anthony Olech]
> > > Cc: LKML
> > > Subject: Re: [NEW DRIVER V4 7/7] DA9058 REGULATOR driver
> > >
> > > On Mon, Apr 15, 2013 at 03:00:58PM +0000, Opensource [Anthony Olech]
> > > wrote:
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: Guenter Roeck [mailto:linux@...ck-us.net]
> > > > > Sent: 12 April 2013 14:32
> > > > > To: Opensource [Anthony Olech]
> > > > > Cc: Mark Brown; Liam Girdwood; Jean Delvare; Randy Dunlap; LKML;
> > > > > David Dajun Chen
> > > > > Subject: Re: [NEW DRIVER V4 7/7] DA9058 REGULATOR driver
> > > > >
> > > > > On Fri, Apr 12, 2013 at 02:05:28PM +0100, Anthony Olech wrote:
> > > > > > This is the REGULATOR component driver of the Dialog DA9058 PMIC.
> > > > > > This driver is just one component of the whole DA9058 PMIC driver.
> > > > > > It depends on the CORE component driver of the DA9058 MFD.
> > > > > >
> > > > > > There are 6 warnings from scripts/checkpatch.pl, but since it
> > > > > > seems to be complaining about variable names such as min_uV
> > > > > > are in CamelCase, when it is obvious that they are not in
> > > > > > CamelCase I have
> > > ignored them.
> > > > > >
> > > > > ??? min_uV _is_ CamelCase ???
> > > > >
> > > > > Ok, maybe it is camelcasE, but you are splitting hairs here.
> > > >
> > > > it is not me splitting hairs, it is scripts/checkpatch.pl
> > > >
> > > Maybe you did not understand what I meant. Per your logic,
> > >
> > > 	MicroVolt is CamelCase
> > > 	uVolt is ???
> > > 	uV is not CamelCase
> > >
> > > By abbreviating CamelCase to camelCase to cC you make it, in your
> > > opinion, acceptable.
> > >
> > > If you want to declare CamelCase variables, just do it, but don't
> > > claim that they are not really CamelCase.
> > >
> > > Guenter
> >
> > I always thought that camel case meant "changing from lower case to
> > upper case the first letter of each word and then joining the
> > capitalized words together", so by that definition uV or mW are not camel
> case because "v" and "w" are not words!

The definition of CamelCase From Wikipedia, the free encyclopedia is:

"CamelCase (camel case) is a term which refers to the practice of writing
compound words where the first letter of an identifier is lowercase and the
first letter of each subsequent concatenated word is capitalized."

> > Either way it seems that the algorithm in scripts/checkpatch.pl is wrong! and
> that was my point.
>
> Guess we'll have to agree to disagree here, as I happen to think that
> checkpatch is perfectly right.
> Guenter

Hi Guenter,

I am quite happy to accept the algorithm in scripts/checkpatch.pl as the
arbiter for correctly formed linux kernel variable names.

On that basis "old_mV", "new_uA" etc are incorrectly formed variable names.
Could you possibly suggest legal alternatives to "mA", "uV", "kW" ??

Tony Olech


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