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@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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