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Date: Wed, 20 Sep 2006 17:29:04 -0400
From: Jeff Garzik <jgarzik@pobox.com>
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To: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: [PATCH] Remove powerpc specific parts of 3c509 driver
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Cc: akpm@osdl.org, Stephen Rothwell <sfr@canb.auug.org.au>,
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Segher Boessenkool wrote:
>>>>> Sure, PCI busses are little-endian.  But is readX()/writeX() for PCI
>>>>> only?
>>>>
>>>> Yes.
>>>>
>>>> For other buses, use foo_writel(), etc.
>>> Can this please be documented then?  Never heard this before...
>>
>> You have come late to the party.
> 
> WHat do you mean here?  Could you please explain?
> 
>> This has been the case for many, many years.
> 
> No, it was never documented AFAICS.

A de facto standard does not need to be documented, to be a de facto 
standard.

A lot of Linux "standards" are often based on emails from Linus buried 
halfway down a thread.  A decision gets made, and people follow.


>> And there is no point in a massive rename to pci_writel(), either.
> 
> That would be really inconvenient, sure.  It's also inconvenient
> that all the nice short names are PCI-only.

Only to you, a decided minority of developers.

	Jeff