SIS630_SMB_IOREGION
retval = acpi_check_region(smbus_base + SMB_STS, SIS630_SMB_IOREGION,
if (!request_region(smbus_base + SMB_STS, SIS630_SMB_IOREGION,
smbus_base + SMB_STS + SIS630_SMB_IOREGION - 1);
release_region(smbus_base + SMB_STS, SIS630_SMB_IOREGION);
release_region(smbus_base + SMB_STS, SIS630_SMB_IOREGION);