190 static void *rng_mem;  variable
194 	assert (rng_mem != NULL);  in intel_hwstatus()
195 	return readb (rng_mem + INTEL_RNG_HW_STATUS);  in intel_hwstatus()
200 	assert (rng_mem != NULL);  in intel_hwstatus_set()
201 	writeb (hw_status, rng_mem + INTEL_RNG_HW_STATUS);  in intel_hwstatus_set()
207 	assert (rng_mem != NULL);  in intel_data_present()
209 	return (readb (rng_mem + INTEL_RNG_STATUS) & INTEL_RNG_DATA_PRESENT) ?  in intel_data_present()
215 	assert (rng_mem != NULL);  in intel_data_read()
217 	return readb (rng_mem + INTEL_RNG_DATA);  in intel_data_read()
227 	rng_mem = ioremap (INTEL_RNG_ADDR, INTEL_RNG_ADDR_LEN);  in intel_init()
228 	if (rng_mem == NULL) {  in intel_init()
255 	iounmap (rng_mem);  in intel_init()
256 	rng_mem = NULL;  in intel_init()
271 	iounmap(rng_mem);  in intel_cleanup()
272 	rng_mem = NULL;  in intel_cleanup()