Re: [PATCH] dmaengine: rcar-dmac: use DMATCRB when xxx_TO_MEM direction

[Kuninori Morimoto]

Hi

> Thank you for your explanation.
> My 1st patch focused to "transfer completed" count (= TCRB) for all case.
> In any case, "completed" information should be used.
> But in MEM_TO_DEV case, I thought if is OK if data was read from MEM
> (= the data will be send to DEV automatically, I didn't care about interruption)
> But yes, your opinion is correct I think.
> 
> I think MEM_TO_MEM should use TCRB.
> I think logic is same as your MEM_TO_DEV explanation ?
> 
> Anyway, in all case I can use TCRB in v3 patch,
> and it needs abouve explanation. 

If so, I think v1 is enough... ?
"transfer completed count is important for all case" is no doubt... ?

Best regards
---
Kuninori Morimoto