23 #define to_hisi_rng(p)	container_of(p, struct hisi_rng, rng)
31 	struct hwrng rng;  member
34 static int hisi_rng_init(struct hwrng *rng)  in hisi_rng_init()  argument
36 	struct hisi_rng *hrng = to_hisi_rng(rng);  in hisi_rng_init()
57 static void hisi_rng_cleanup(struct hwrng *rng)  in hisi_rng_cleanup()  argument
59 	struct hisi_rng *hrng = to_hisi_rng(rng);  in hisi_rng_cleanup()
64 static int hisi_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)  in hisi_rng_read()  argument
66 	struct hisi_rng *hrng = to_hisi_rng(rng);  in hisi_rng_read()
75 	struct hisi_rng *rng;  in hisi_rng_probe()  local
78 	rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL);  in hisi_rng_probe()
79 	if (!rng)  in hisi_rng_probe()
82 	rng->base = devm_platform_ioremap_resource(pdev, 0);  in hisi_rng_probe()
83 	if (IS_ERR(rng->base))  in hisi_rng_probe()
84 		return PTR_ERR(rng->base);  in hisi_rng_probe()
86 	rng->rng.name = pdev->name;  in hisi_rng_probe()
87 	rng->rng.init = hisi_rng_init;  in hisi_rng_probe()
88 	rng->rng.cleanup = hisi_rng_cleanup;  in hisi_rng_probe()
89 	rng->rng.read = hisi_rng_read;  in hisi_rng_probe()
91 	ret = devm_hwrng_register(&pdev->dev, &rng->rng);  in hisi_rng_probe()
99 	{ .compatible = "hisilicon,hip04-rng" },
100 	{ .compatible = "hisilicon,hip05-rng" },
108 		.name	= "hisi-rng",