RE: [PATCH 28/29] dmaengine: kill tx_list

[Sosnowski, Maciej]

Williams, Dan J wrote:
> The tx_list attribute of struct dma_async_tx_descriptor is common to
> most, but not all dma driver implementations.  None of the upper level
> code (dmaengine/async_tx) uses it, so allow drivers to implement it
> locally if they need it.  This saves sizeof(struct list_head) bytes for
> drivers that do not manage descriptors with a linked list (e.g.: ioatdma
> v2,3).
> 
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> ---

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@xxxxxxxxx>--
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