diff options
| -rw-r--r-- | Documentation/DMA-API-HOWTO.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/DMA-API-HOWTO.txt index f59955303475..b22ceff35609 100644 --- a/Documentation/DMA-API-HOWTO.txt +++ b/Documentation/DMA-API-HOWTO.txt | |||
| @@ -249,10 +249,10 @@ the case would look like this: | |||
| 249 | goto ignore_this_device; | 249 | goto ignore_this_device; |
| 250 | } | 250 | } |
| 251 | 251 | ||
| 252 | The coherent coherent mask will always be able to set the same or a | 252 | The coherent mask will always be able to set the same or a smaller mask as |
| 253 | smaller mask as the streaming mask. However for the rare case that a | 253 | the streaming mask. However for the rare case that a device driver only |
| 254 | device driver only uses consistent allocations, one would have to | 254 | uses consistent allocations, one would have to check the return value from |
| 255 | check the return value from dma_set_coherent_mask(). | 255 | dma_set_coherent_mask(). |
| 256 | 256 | ||
| 257 | Finally, if your device can only drive the low 24-bits of | 257 | Finally, if your device can only drive the low 24-bits of |
| 258 | address you might do something like: | 258 | address you might do something like: |
