DMA-API: Fix duplicated word in DMA-API-HOWTO.txt
"coherent" is written twice when it should be just once. Signed-off-by: Emilio López <emilio@elopez.com.ar> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
parent
f311a724a7
commit
34c815fbdc
|
@ -249,10 +249,10 @@ the case would look like this:
|
||||||
goto ignore_this_device;
|
goto ignore_this_device;
|
||||||
}
|
}
|
||||||
|
|
||||||
The coherent coherent mask will always be able to set the same or a
|
The coherent mask will always be able to set the same or a smaller mask as
|
||||||
smaller mask as the streaming mask. However for the rare case that a
|
the streaming mask. However for the rare case that a device driver only
|
||||||
device driver only uses consistent allocations, one would have to
|
uses consistent allocations, one would have to check the return value from
|
||||||
check the return value from dma_set_coherent_mask().
|
dma_set_coherent_mask().
|
||||||
|
|
||||||
Finally, if your device can only drive the low 24-bits of
|
Finally, if your device can only drive the low 24-bits of
|
||||||
address you might do something like:
|
address you might do something like:
|
||||||
|
|
Loading…
Reference in New Issue