Messages in this thread | | | Date | Thu, 9 Feb 2023 17:46:54 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v2 4/4] crypto: starfive - Add hash and HMAC support |
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On Mon, Jan 30, 2023 at 11:42:42PM +0800, Jia Jie Ho wrote: > > +static inline int starfive_hash_wait_hmac_done(struct starfive_cryp_ctx *ctx) > +{ > + struct starfive_cryp_dev *cryp = ctx->cryp; > + u32 status; > + > + return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status, > + (status & STARFIVE_HASH_HMAC_DONE), 10, 100000); > +} > + > +static inline int starfive_hash_wait_busy(struct starfive_cryp_ctx *ctx) > +{ > + struct starfive_cryp_dev *cryp = ctx->cryp; > + u32 status; > + > + return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status, > + !(status & STARFIVE_HASH_BUSY), 10, 100000); > +} > + > +static inline int starfive_hash_wait_key_done(struct starfive_cryp_ctx *ctx) > +{ > + struct starfive_cryp_dev *cryp = ctx->cryp; > + u32 status; > + > + return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status, > + (status & STARFIVE_HASH_KEY_DONE), 10, 100000); > +}
Is there no IRQ mechanism for this?
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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