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From: Jes Sorensen <jes@linuxcare.com>
To: R.E.Wolff@bitwizard.nl (Rogier Wolff)
Cc: Mitchell Blank Jr <mitch@sfgoth.com>,
	Patrick van de Lageweg <patrick@bitwizard.nl>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Rogier Wolff <wolff@bitwizard.nl>
Subject: Re: [NEW DRIVER] firestream
Date: 23 Nov 2000 00:35:42 +0100	[thread overview]
Message-ID: <d366lflgvl.fsf@lxplus015.cern.ch> (raw)
In-Reply-To: <200011222305.AAA30264@cave.bitwizard.nl>
In-Reply-To: R.E.Wolff@bitwizard.nl's message of "Thu, 23 Nov 2000 00:05:18 +0100 (MET)"

>>>>> "Rogier" == Rogier Wolff <R.E.Wolff@bitwizard.nl> writes:

Rogier> Mitchell Blank Jr wrote:
>> First, I'd like to make a couple points about driver style that I'm
>> trying to move towards with the ATM drivers.  You're free to take
>> them or leave them, but I want to eventually move the tree in this
>> direction.  * I don't like header files that define the registers
>> of the chip - since the header file is only included in the
>> driver's .c file you might as well just put the definitions there
>> (unless, of course, there is good reason to think that the
>> registers will be used in multiple drivers - unlikely in this case)
>> Having a seperate header file just serves to hamper searching
>> around the driver and cluttering the directory.

Rogier> I disagree vehemently.

Rogier> The header file should have 'static things' that for example a
Rogier> competing driver for the same chip could also use. The "driver
Rogier> defines" should theoretically be in a separate file. This
Rogier> rarely happens.

I guess this boils down to personal preference, I like to stick
register definitions in a seperate file as well.

I think the most important issue is when doing header files to make
sure they go with the driver code and not in include/linux unless
there really is a reason to expose them to user space. No reason to
export register definitions for Ethernet cards down there.

Jes
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  reply	other threads:[~2000-11-23  0:07 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-11-22  9:32 [NEW DRIVER] firestream Patrick van de Lageweg
2000-11-22 17:23 ` Mitchell Blank Jr
2000-11-22 23:05   ` Rogier Wolff
2000-11-22 23:35     ` Jes Sorensen [this message]
2000-11-22 23:41       ` Jeff Garzik
2000-11-23 11:15   ` Rogier Wolff
2000-11-23 11:44     ` Peter Samuelson
2000-11-23 11:52       ` Rogier Wolff
2000-11-23 11:28   ` Werner Almesberger
2000-11-23  5:40 ` Peter Samuelson
2000-11-23  8:22   ` Rogier Wolff
2000-11-23  8:40     ` Peter Samuelson
2000-11-23 10:32     ` Vojtech Pavlik
2000-11-23 22:19 ` Bartlomiej Zolnierkiewicz
2000-11-23 23:43   ` Rogier Wolff
  -- strict thread matches above, loose matches on Subject: below --
2000-11-29  8:45 Patrick van de Lageweg
2000-12-06  8:45 Patrick van de Lageweg
2000-12-12 15:44 Patrick van de Lageweg
2000-12-15 12:07 Patrick van de Lageweg

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