Zhang, Xiantao wrote:
This is the wrong place to put this. Once we stop bouncing
scatter/gather DMA, we will no longer call this function.
This patch intends to fix the issue before adopting scatter/gather DMA mode. But if we want to keep this funtion, had better to pick it to avoid such issues in future.
This function is the wrong place, it just happens to be called.
The correct place is either in the device code itself, or in the dma
api (dma-helpers.c).
Maybe dma-helpers.c
Please send a patch with this in dma-helpers.c.
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I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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