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

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Message-ID: <Pine.LNX.4.64.0611041946020.25218@g5.osdl.org>
Date:	Sat, 4 Nov 2006 19:46:59 -0800 (PST)
From:	Linus Torvalds <torvalds@...l.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.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, 5 Nov 2006, Benjamin Herrenschmidt wrote:
>
> Make the generic lib/iomap.c use arch provided MMIO accessors when
> available for big endian and repeat operations. Also while at it,
> fix the *_be version which are currently broken for PIO

Just rip the _be versions out, methinks.

Also, what does your "writesb()" actually look like? I assume it's the 
exact same thing as the generic one, with just another barrier. No? 

		Linus
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