Re: [PATCH v4 4/4] crypto: starfive - Add hash and HMAC support

[Herbert Xu]

On Mon, Apr 10, 2023 at 01:10:29PM +0000, JiaJie Ho wrote:
>
> The sequence of event would be:
> 1. Wait for DMA transfer to complete.
> 2. Set bit in device CSR to indicate final block has been transferred.

OK, 2 should be done in the DMA callback function.

> 3. Device will send IRQ once result is ready.
> 4. Read out final digest value from device.

4 should be done from a tasklet scheduled from the IRQ handler.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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