From 46a6d51c827a12723e7191128fb7aab42c8f5c09 Mon Sep 17 00:00:00 2001
From: Anton staaf <robotboy@chromium.org>
Date: Wed, 12 Oct 2011 13:55:59 +0000
Subject: cache: add ALLOC_CACHE_ALIGN_BUFFER macro

This macro is used to allocate cache line size aligned stack
buffers for use with DMA hardware.

Signed-off-by: Anton Staaf <robotboy@chromium.org>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Aneesh V <aneesh@ti.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Wolfgang Denk <wd@denx.de>
---
 doc/README.arm-caches | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'doc/README.arm-caches')

diff --git a/doc/README.arm-caches b/doc/README.arm-caches
index cd2b458..f6a52e3 100644
--- a/doc/README.arm-caches
+++ b/doc/README.arm-caches
@@ -40,6 +40,8 @@ Buffer Requirements:
 - If the buffer is not cache-line aligned invalidation will be restricted
   to the aligned part. That is, one cache-line at the respective boundary
   may be left out while doing invalidation.
+- A suitable buffer can be alloced on the stack using the
+  ALLOC_CACHE_ALIGN_BUFFER macro.
 
 Cleanup Before Linux:
 - cleanup_before_linux() should flush the D-cache, invalidate I-cache, and
-- 
cgit v1.1