[PATCH v4 4/4] crypto: starfive - Add hash and HMAC support
Herbert Xu
herbert at gondor.apana.org.au
Mon Apr 10 06:29:16 PDT 2023
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 at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
More information about the linux-riscv
mailing list