diff options
Diffstat (limited to 'drivers/crypto/sunxi-ss/sun4i-ss-core.c')
| -rw-r--r-- | drivers/crypto/sunxi-ss/sun4i-ss-core.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-core.c b/drivers/crypto/sunxi-ss/sun4i-ss-core.c index 02ad8256e900..1547cbe13dc2 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-core.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-core.c @@ -213,6 +213,23 @@ static struct sun4i_ss_alg_template ss_algs[] = { } } }, +#ifdef CONFIG_CRYPTO_DEV_SUN4I_SS_PRNG +{ + .type = CRYPTO_ALG_TYPE_RNG, + .alg.rng = { + .base = { + .cra_name = "stdrng", + .cra_driver_name = "sun4i_ss_rng", + .cra_priority = 300, + .cra_ctxsize = 0, + .cra_module = THIS_MODULE, + }, + .generate = sun4i_ss_prng_generate, + .seed = sun4i_ss_prng_seed, + .seedsize = SS_SEED_LEN / BITS_PER_BYTE, + } +}, +#endif }; static int sun4i_ss_probe(struct platform_device *pdev) @@ -355,6 +372,13 @@ static int sun4i_ss_probe(struct platform_device *pdev) goto error_alg; } break; + case CRYPTO_ALG_TYPE_RNG: + err = crypto_register_rng(&ss_algs[i].alg.rng); + if (err) { + dev_err(ss->dev, "Fail to register %s\n", + ss_algs[i].alg.rng.base.cra_name); + } + break; } } platform_set_drvdata(pdev, ss); @@ -369,6 +393,9 @@ error_alg: case CRYPTO_ALG_TYPE_AHASH: crypto_unregister_ahash(&ss_algs[i].alg.hash); break; + case CRYPTO_ALG_TYPE_RNG: + crypto_unregister_rng(&ss_algs[i].alg.rng); + break; } } if (ss->reset) @@ -393,6 +420,9 @@ static int sun4i_ss_remove(struct platform_device *pdev) case CRYPTO_ALG_TYPE_AHASH: crypto_unregister_ahash(&ss_algs[i].alg.hash); break; + case CRYPTO_ALG_TYPE_RNG: + crypto_unregister_rng(&ss_algs[i].alg.rng); + break; } } |