linux-kernel - Re: [PATCH 04/10] pwm: core: use bitops

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Message-ID: <563CBDF5.50904@ultimaker.com>
Date:	Fri, 06 Nov 2015 15:49:25 +0100
From:	Olliver Schinagl <o.schinagl@...imaker.com>
To:	Thierry Reding <thierry.reding@...il.com>
CC:	Olliver Schinagl <oliver@...inagl.nl>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Joachim Eastwood <manabian@...il.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Olliver Schinagl <oliver+list@...inagl.nl>,
	linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 04/10] pwm: core: use bitops

Hey Thierry,

but why have the bit macro at all then :)

But that choice I guess I leave to you, as it's your section, I know 
some submaintainers prefer it and want it to be used, so I guess it's 
something in general kernel wide that should be desided on, BIT() macro 
preferred or not.

Olliver

On 06-11-15 15:46, Thierry Reding wrote:
> On Mon, Oct 26, 2015 at 10:32:35PM +0100, Olliver Schinagl wrote:
>> From: Olliver Schinagl <oliver@...inagl.nl>
>>
>> The pwm header defines bits manually while there is a nice bitops.h with
>> a BIT() macro. Use the BIT() macro to set bits in pwm.h
>>
>> Signed-off-by: Olliver Schinagl <oliver@...inagl.nl>
>> ---
>>   include/linux/pwm.h | 7 ++++---
>>   1 file changed, 4 insertions(+), 3 deletions(-)
> I don't think this is a useful change. The BIT() macro needs the same
> number of characters to type at the expense of requiring an additional
> include.
>
> Thierry

-- 
Met vriendelijke groeten, Kind regards, 与亲切的问候

Olliver Schinagl
Software Engineer
Research & Development
Ultimaker B.V.

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