linux-kernel - Re: lib/iomap.c mmio_{in,out}s* vs. __raw

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Date:	Sun, 05 Nov 2006 16:28:48 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Linus Torvalds <torvalds@...l.org>
Cc:	Russell King <rmk+lkml@....linux.org.uk>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	Jeff Garzik <jgarzik@...ox.com>, Andrew Morton <akpm@...l.org>,
	"David S. Miller" <davem@...emloft.net>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: lib/iomap.c mmio_{in,out}s* vs. __raw_* accessors

On Sun, 2006-11-05 at 16:08 +1100, Benjamin Herrenschmidt wrote:
> > Can you work based on something like this instead?
> > 
> > (Totally untested, I just did this as an example of what I think is a lot 
> > more maintainable)
> 
> Yup, that would definitely work for me.
> 
> I'll do the same for the repeat ops..

I'm blind, didn't see you did it for them already :-)

Ok, your patch builds fine here. I can't test at the moment as I don't
have a machine at hand that has a device whose driver uses the ops in
iomap though, but I can't see any reason why it wouldn't work if it
builds, so as far as I'm concerned, that's good to go in 2.6.20.
(earlier if you wish but I won't submit the patch doing the powerpc
changes that makes me use those change before 2.6.20 obviously :-)

Cheers,
Ben.


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