Re: [PATCH] dmaengine: tegra210-adma: fix transfer failure

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On 20/06/2019 17:15, Sameer Pujar wrote:
> From Tegra186 onwards OUTSTANDING_REQUESTS field is added in channel
> configuration register (bits 7:4). ADMA allows a maximum of 8 reads
> to source and that many writes to target memory be outstanding at any
> given point of time. If this field is not programmed, DMA transfers
> fail to happen.

BTW, I am not sure I follow the above. You say a max of 8 reads to the
source, however, the field we are programming can have a value of up to
15. So does that mean this field should only be programmed with a max of 8?

Thanks
Jon

-- 
nvpublic



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