26 #define to_hisi_rng(p)	container_of(p, struct hisi_rng, rng)
34 	struct hwrng rng;  member
37 static int hisi_rng_init(struct hwrng *rng)  in hisi_rng_init()  argument
39 	struct hisi_rng *hrng = to_hisi_rng(rng);  in hisi_rng_init()
60 static void hisi_rng_cleanup(struct hwrng *rng)  in hisi_rng_cleanup()  argument
62 	struct hisi_rng *hrng = to_hisi_rng(rng);  in hisi_rng_cleanup()
67 static int hisi_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)  in hisi_rng_read()  argument
69 	struct hisi_rng *hrng = to_hisi_rng(rng);  in hisi_rng_read()
78 	struct hisi_rng *rng;  in hisi_rng_probe()  local
82 	rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL);  in hisi_rng_probe()
83 	if (!rng)  in hisi_rng_probe()
86 	platform_set_drvdata(pdev, rng);  in hisi_rng_probe()
89 	rng->base = devm_ioremap_resource(&pdev->dev, res);  in hisi_rng_probe()
90 	if (IS_ERR(rng->base))  in hisi_rng_probe()
91 		return PTR_ERR(rng->base);  in hisi_rng_probe()
93 	rng->rng.name = pdev->name;  in hisi_rng_probe()
94 	rng->rng.init = hisi_rng_init;  in hisi_rng_probe()
95 	rng->rng.cleanup = hisi_rng_cleanup;  in hisi_rng_probe()
96 	rng->rng.read = hisi_rng_read;  in hisi_rng_probe()
98 	ret = devm_hwrng_register(&pdev->dev, &rng->rng);  in hisi_rng_probe()