static int __init jent_mod_init(void) { int ret = 0; ret = jent_entropy_init(); if (ret) { pr_info("jitterentropy: Initialization failed with host not compliant with requirements: %d\n", ret); return -EFAULT; } return crypto_register_rng(&jent_alg); }
int crypto_register_rngs(struct rng_alg *algs, int count) { int i, ret; for (i = 0; i < count; i++) { ret = crypto_register_rng(algs + i); if (ret) goto err; } return 0; err: for (--i; i >= 0; --i) crypto_unregister_rng(algs + i); return ret; }
static int exynos_rng_probe(struct platform_device *pdev) { struct exynos_rng_dev *rng; struct resource *res; int ret; if (exynos_rng_dev) return -EEXIST; rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); if (!rng) return -ENOMEM; rng->type = (enum exynos_prng_type)of_device_get_match_data(&pdev->dev); mutex_init(&rng->lock); rng->dev = &pdev->dev; rng->clk = devm_clk_get(&pdev->dev, "secss"); if (IS_ERR(rng->clk)) { dev_err(&pdev->dev, "Couldn't get clock.\n"); return PTR_ERR(rng->clk); } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); rng->mem = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(rng->mem)) return PTR_ERR(rng->mem); platform_set_drvdata(pdev, rng); exynos_rng_dev = rng; ret = crypto_register_rng(&exynos_rng_alg); if (ret) { dev_err(&pdev->dev, "Couldn't register rng crypto alg: %d\n", ret); exynos_rng_dev = NULL; } return ret; }
static int qcom_rng_probe(struct platform_device *pdev) { struct resource *res; struct qcom_rng *rng; int ret; rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); if (!rng) return -ENOMEM; platform_set_drvdata(pdev, rng); mutex_init(&rng->lock); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); rng->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(rng->base)) return PTR_ERR(rng->base); /* ACPI systems have clk already on, so skip clk_get */ if (!has_acpi_companion(&pdev->dev)) { rng->clk = devm_clk_get(&pdev->dev, "core"); if (IS_ERR(rng->clk)) return PTR_ERR(rng->clk); } rng->skip_init = (unsigned long)device_get_match_data(&pdev->dev); qcom_rng_dev = rng; ret = crypto_register_rng(&qcom_rng_alg); if (ret) { dev_err(&pdev->dev, "Register crypto rng failed: %d\n", ret); qcom_rng_dev = NULL; } return ret; }