summaryrefslogtreecommitdiffstats
path: root/Documentation/DMA-API-HOWTO.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/DMA-API-HOWTO.txt')
-rw-r--r--Documentation/DMA-API-HOWTO.txt9
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt
index 4a4fb29..14129f1 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -488,9 +488,10 @@ will invoke the generic mapping error check interface. Doing so will ensure
that the mapping code will work correctly on all dma implementations without
any dependency on the specifics of the underlying implementation. Using the
returned address without checking for errors could result in failures ranging
-from panics to silent data corruption. Couple of example of incorrect ways to
-check for errors that make assumptions about the underlying dma implementation
-are as follows and these are applicable to dma_map_page() as well.
+from panics to silent data corruption. A couple of examples of incorrect ways
+to check for errors that make assumptions about the underlying dma
+implementation are as follows and these are applicable to dma_map_page() as
+well.
Incorrect example 1:
dma_addr_t dma_handle;
@@ -751,7 +752,7 @@ Example 1:
dma_unmap_single(dma_handle1);
map_error_handling1:
-Example 2: (if buffers are allocated a loop, unmap all mapped buffers when
+Example 2: (if buffers are allocated in a loop, unmap all mapped buffers when
mapping error is detected in the middle)
dma_addr_t dma_addr;
OpenPOWER on IntegriCloud