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

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