Re: [PATCH v2 4/4] crypto: starfive - Add hash and HMAC support

From: Herbert Xu
Date: Thu Feb 09 2023 - 21:41:32 EST


On Thu, Feb 09, 2023 at 09:33:06AM +0000, JiaJie Ho wrote:
.
> The DMA can only support 32-bit addressing.

Isn't the DMA mapping API supposed to solve this automatically
for you? IOW just do the dma_map call and it should transparently
copy any high addresses to lowmem bounce buffers.

Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt