32 	struct hwrng rng;  member
39 static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)  in stm32_rng_read()  argument
42 	    container_of(rng, struct stm32_rng_private, rng);  in stm32_rng_read()
46 	pm_runtime_get_sync((struct device *) priv->rng.priv);  in stm32_rng_read()
51 		/* care of initial delay time when enabling rng	*/  in stm32_rng_read()
60 				dev_err((struct device *)priv->rng.priv,  in stm32_rng_read()
67 					"bad RNG status - %x\n", sr))  in stm32_rng_read()
79 	pm_runtime_mark_last_busy((struct device *) priv->rng.priv);  in stm32_rng_read()
80 	pm_runtime_put_sync_autosuspend((struct device *) priv->rng.priv);  in stm32_rng_read()
85 static int stm32_rng_init(struct hwrng *rng)  in stm32_rng_init()  argument
88 	    container_of(rng, struct stm32_rng_private, rng);  in stm32_rng_init()
107 static void stm32_rng_cleanup(struct hwrng *rng)  in stm32_rng_cleanup()  argument
110 	    container_of(rng, struct stm32_rng_private, rng);  in stm32_rng_cleanup()
151 	priv->rng.name = dev_driver_string(dev);  in stm32_rng_probe()
153 	priv->rng.init = stm32_rng_init;  in stm32_rng_probe()
154 	priv->rng.cleanup = stm32_rng_cleanup;  in stm32_rng_probe()
156 	priv->rng.read = stm32_rng_read;  in stm32_rng_probe()
157 	priv->rng.priv = (unsigned long) dev;  in stm32_rng_probe()
158 	priv->rng.quality = 900;  in stm32_rng_probe()
164 	return devm_hwrng_register(dev, &priv->rng);  in stm32_rng_probe()
179 	stm32_rng_cleanup(&priv->rng);  in stm32_rng_runtime_suspend()
188 	return stm32_rng_init(&priv->rng);  in stm32_rng_runtime_resume()
202 		.compatible = "st,stm32-rng",
210 		.name = "stm32-rng",
222 MODULE_DESCRIPTION("STMicroelectronics STM32 RNG device driver");