On Monday 01 September 2014 23:06:00 Hanjun Guo wrote: > +#ifdef CONFIG_ACPI > +/* Configure some sensible defaults for ACPI mode */ > +static int smsc911x_probe_config_acpi(struct smsc911x_platform_config *config, > + acpi_handle *ahandle) > +{ > + if (!ahandle) > + return -ENOSYS; > + > + config->phy_interface = PHY_INTERFACE_MODE_MII; > Please remove the #ifdef and use if (!IS_ENABLED(CONFIG_ACPI) || !ahandle) to check for ACPI support. This should result in the same object code in all cases, but give better compile-time coverage when ACPI is disabled. Also, -ENOSYS is probably the wrong return value. I think you mean -ENXIO. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html