[PATCH v2 6/6] crypto/fsl: add RNG support

[Horia Geantă]

On 6/4/2020 6:48 PM, Michael Walle wrote:
> +static int caam_rng_read(struct udevice *dev, void *data, size_t len)
> +{
> +	struct caam_rng_platdata *pdata = dev_get_platdata(dev);
> +	u8 *buffer = data;
> +	size_t size;
> +	int ret;
> +
> +	while (len) {
> +		ret = caam_rng_read_one(pdata);
> +		if (ret)
> +			return ret;
> +
> +		size = min(len, (size_t)CAAM_RNG_MAX_FIFO_STORE_SIZE);
> +
> +		memcpy(buffer, pdata->data, len);
size instead of len.

> +		buffer += size;
> +		len -= size;
> +	}
> +
> +	return 0;
> +}
> +
> +static int caam_rng_probe(struct udevice *dev)
> +{
> +	struct caam_rng_platdata *pdata = dev_get_platdata(dev);
> +
> +	inline_cnstr_jobdesc_rng(pdata->desc, pdata->data,
> +				 CAAM_RNG_MAX_FIFO_STORE_SIZE);
flush_dcache_range() on pdata->desc would be needed, no?

Horia