Re: [PATCH v3 05/14] dmaengine: Add support for reporting DMA cached data amount

2019-10-09 Thread Tero Kristo
On 01/10/2019 09:16, Peter Ujfalusi wrote: A DMA hardware can have big cache or FIFO and the amount of data sitting in the DMA fabric can be an interest for the clients. For example in audio we want to know the delay in the data flow and in case the DMA have significantly large FIFO/cache, it

[PATCH v3 05/14] dmaengine: Add support for reporting DMA cached data amount

2019-10-01 Thread Peter Ujfalusi
A DMA hardware can have big cache or FIFO and the amount of data sitting in the DMA fabric can be an interest for the clients. For example in audio we want to know the delay in the data flow and in case the DMA have significantly large FIFO/cache, it can affect the latenc/delay Signed-off-by: