Messages in this thread | | | Date | Fri, 10 Feb 2023 10:40:45 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v2 4/4] crypto: starfive - Add hash and HMAC support |
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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@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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