diff options
-rw-r--r-- | include/linux/dmaengine.h | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index c5c92d59e531..8300fb87b84a 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h | |||
@@ -341,15 +341,11 @@ enum dma_slave_buswidth { | |||
341 | * and this struct will then be passed in as an argument to the | 341 | * and this struct will then be passed in as an argument to the |
342 | * DMA engine device_control() function. | 342 | * DMA engine device_control() function. |
343 | * | 343 | * |
344 | * The rationale for adding configuration information to this struct | 344 | * The rationale for adding configuration information to this struct is as |
345 | * is as follows: if it is likely that most DMA slave controllers in | 345 | * follows: if it is likely that more than one DMA slave controllers in |
346 | * the world will support the configuration option, then make it | 346 | * the world will support the configuration option, then make it generic. |
347 | * generic. If not: if it is fixed so that it be sent in static from | 347 | * If not: if it is fixed so that it be sent in static from the platform |
348 | * the platform data, then prefer to do that. Else, if it is neither | 348 | * data, then prefer to do that. |
349 | * fixed at runtime, nor generic enough (such as bus mastership on | ||
350 | * some CPU family and whatnot) then create a custom slave config | ||
351 | * struct and pass that, then make this config a member of that | ||
352 | * struct, if applicable. | ||
353 | */ | 349 | */ |
354 | struct dma_slave_config { | 350 | struct dma_slave_config { |
355 | enum dma_transfer_direction direction; | 351 | enum dma_transfer_direction direction; |