diff options
| -rw-r--r-- | src/soc/intel/common/block/smbus/smbus.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/soc/intel/common/block/smbus/smbus.c b/src/soc/intel/common/block/smbus/smbus.c index 8ee38eeeb4..e526bafc79 100644 --- a/src/soc/intel/common/block/smbus/smbus.c +++ b/src/soc/intel/common/block/smbus/smbus.c @@ -53,12 +53,10 @@ static struct smbus_bus_operations lops_smbus_bus = { static void pch_smbus_init(device_t dev) { struct resource *res; - u16 reg16; /* Enable clock gating */ - reg16 = pci_read_config32(dev, 0x80); - reg16 &= ~((1 << 8)|(1 << 10)|(1 << 12)|(1 << 14)); - pci_write_config32(dev, 0x80, reg16); + pci_update_config32(dev, 0x80, + ~((1 << 8) | (1 << 10) | (1 << 12) | (1 << 14)), 0); /* Set Receive Slave Address */ res = find_resource(dev, PCI_BASE_ADDRESS_4); |