From: Bryan O'Sullivan <bos@pathscale.com>
Date: Wed, 1 Feb 2006 11:05:16 +0000 (-0800)
Subject: [PATCH] Introduce __iowrite32_copy
X-Git-Tag: v2.6.16-rc2~125
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c27a0d75b33c030965cc97d3d7f571107a673fb4;p=pandora-kernel.git

[PATCH] Introduce __iowrite32_copy

This arch-independent routine copies data to a memory-mapped I/O region,
using 32-bit accesses.  The naming is double-underscored to make it clear
that it does not guarantee write ordering, nor does it perform a memory
barrier afterwards; the kernel doc also explicitly states this.  This style
of access is required by some devices.

This change also introduces include/linux/io.h, at Andrew's suggestion.  It
only has one occupant at the moment, but is a logical destination for
oft-replicated contents of include/asm-*/{io,iomap}.h to migrate to.

Signed-off-by: Bryan O'Sullivan <bos@pathscale.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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