2  * RNG driver for TX4939 Random Number Generators (RNG)
29 	struct hwrng rng;  member
65 static int tx4939_rng_data_present(struct hwrng *rng, int wait)  in tx4939_rng_data_present()  argument
67 	struct tx4939_rng *rngdev = container_of(rng, struct tx4939_rng, rng);  in tx4939_rng_data_present()
84 			/* Start RNG */  in tx4939_rng_data_present()
98 static int tx4939_rng_data_read(struct hwrng *rng, u32 *buffer)  in tx4939_rng_data_read()  argument
100 	struct tx4939_rng *rngdev = container_of(rng, struct tx4939_rng, rng);  in tx4939_rng_data_read()
119 	rngdev->rng.name = dev_name(&dev->dev);  in tx4939_rng_probe()
120 	rngdev->rng.data_present = tx4939_rng_data_present;  in tx4939_rng_probe()
121 	rngdev->rng.data_read = tx4939_rng_data_read;  in tx4939_rng_probe()
124 	/* Reset RNG */  in tx4939_rng_probe()
127 	/* Start RNG */  in tx4939_rng_probe()
140 		if (!tx4939_rng_data_present(&rngdev->rng, 1))  in tx4939_rng_probe()
145 	return devm_hwrng_register(&dev->dev, &rngdev->rng);  in tx4939_rng_probe()
150 		.name	= "tx4939-rng",
156 MODULE_DESCRIPTION("H/W Random Number Generator (RNG) driver for TX4939");