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
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