91 static void *rng_mem;			/* token to our ioremap'd RNG register area */  variable
100 	assert (rng_mem != NULL);  in rng_hwstatus()
101 	return readb (rng_mem + RNG_HW_STATUS);  in rng_hwstatus()
106 	assert (rng_mem != NULL);  in rng_hwstatus_set()
107 	writeb (hw_status, rng_mem + RNG_HW_STATUS);  in rng_hwstatus_set()
114 	assert (rng_mem != NULL);  in rng_data_present()
116 	return (readb (rng_mem + RNG_STATUS) & RNG_DATA_PRESENT) ? 1 : 0;  in rng_data_present()
122 	assert (rng_mem != NULL);  in rng_data_read()
124 	return readb (rng_mem + RNG_DATA);  in rng_data_read()
295 	rng_mem = ioremap (RNG_ADDR, RNG_ADDR_LEN);  in rng_init_one()
296 	if (rng_mem == NULL) {  in rng_init_one()
324 	iounmap (rng_mem);  in rng_init_one()
397 	iounmap (rng_mem);  in rng_cleanup()