From: Xishi Qiu <qiuxishi@huawei.com>
To: <rob@landley.net>, <trivial@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>, <vinod.koul@intel.com>,
<djbw@fb.com>
Cc: <linux-doc@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
Xishi Qiu <qiuxishi@huawei.com>
Subject: [PATCH RESEND] doc: Documentation/DMA-attributes.txt fix typo
Date: Mon, 9 Sep 2013 12:01:42 +0800 [thread overview]
Message-ID: <522D4826.9040209@huawei.com> (raw)
Fix some typos in Documentation/DMA-attributes.txt.
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Acked-by: Rob Landley <rob@landley.net>
---
Documentation/DMA-attributes.txt | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/DMA-attributes.txt b/Documentation/DMA-attributes.txt
index e59480d..cc2450d 100644
--- a/Documentation/DMA-attributes.txt
+++ b/Documentation/DMA-attributes.txt
@@ -13,7 +13,7 @@ all pending DMA writes to complete, and thus provides a mechanism to
strictly order DMA from a device across all intervening busses and
bridges. This barrier is not specific to a particular type of
interconnect, it applies to the system as a whole, and so its
-implementation must account for the idiosyncracies of the system all
+implementation must account for the idiosyncrasies of the system all
the way from the DMA device to memory.
As an example of a situation where DMA_ATTR_WRITE_BARRIER would be
@@ -60,7 +60,7 @@ such mapping is non-trivial task and consumes very limited resources
Buffers allocated with this attribute can be only passed to user space
by calling dma_mmap_attrs(). By using this API, you are guaranteeing
that you won't dereference the pointer returned by dma_alloc_attr(). You
-can threat it as a cookie that must be passed to dma_mmap_attrs() and
+can treat it as a cookie that must be passed to dma_mmap_attrs() and
dma_free_attrs(). Make sure that both of these also get this attribute
set on each call.
@@ -82,7 +82,7 @@ to 'device' domain, what synchronizes CPU caches for the given region
(usually it means that the cache has been flushed or invalidated
depending on the dma direction). However, next calls to
dma_map_{single,page,sg}() for other devices will perform exactly the
-same sychronization operation on the CPU cache. CPU cache sychronization
+same synchronization operation on the CPU cache. CPU cache synchronization
might be a time consuming operation, especially if the buffers are
large, so it is highly recommended to avoid it if possible.
DMA_ATTR_SKIP_CPU_SYNC allows platform code to skip synchronization of
--
1.7.1
.
reply other threads:[~2013-09-09 4:02 UTC|newest]
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