97 	u8 rnen;  in amd_rng_init()  local
99 	pci_read_config_byte(priv->pcidev, 0x40, &rnen);  in amd_rng_init()
100 	rnen |= BIT(7);	/* RNG on */  in amd_rng_init()
101 	pci_write_config_byte(priv->pcidev, 0x40, rnen);  in amd_rng_init()
103 	pci_read_config_byte(priv->pcidev, 0x41, &rnen);  in amd_rng_init()
104 	rnen |= BIT(7);	/* PMIO enable */  in amd_rng_init()
105 	pci_write_config_byte(priv->pcidev, 0x41, rnen);  in amd_rng_init()
113 	u8 rnen;  in amd_rng_cleanup()  local
115 	pci_read_config_byte(priv->pcidev, 0x40, &rnen);  in amd_rng_cleanup()
116 	rnen &= ~BIT(7);	/* RNG off */  in amd_rng_cleanup()
117 	pci_write_config_byte(priv->pcidev, 0x40, rnen);  in amd_rng_cleanup()