[Intel-wired-lan] [net v3] ixgbe: fix Kconfig when driver is not a module

[Stephen Douthit]

On 1/4/19 1:48 PM, Jeff Kirsher wrote:
> The new ability added to the driver to use mii_bus to handle MII related
> ioctls is causing compile issues when the driver is compiled into the
> kernel (i.e. not a module).
> 
> The problem was in selecting MDIO_DEVICE instead of the preferred PHYLIB
> Kconfig option.  The reason being that MDIO_DEVICE had a dependency on
> PHYLIB and would be compiled as a module when PHYLIB was a module, no
> matter whether ixgbe was compiled into the kernel.
> 
> CC: Dave Jones <davej at codemonkey.org.uk>
> CC: Steve Douthit <stephend at silicom-usa.com>
> CC: Florian Fainelli <f.fainelli at gmail.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher at intel.com>
> ---
> v2: fixed up the Kconfig help section to include the clause 22/45
>    address information and also changed the IXGBE_MDIO config option to be
>    dependent upon PHYLIB versus MDIO_BUS since that appears to be the
>    common usage
> 
> v3: Steve Douthit found a much simpler solution of changing the
>    dependency from MDIO_DEVICE to PHYLIB, which is consistent with other
>    Ethernet drivers
> 
>   drivers/net/ethernet/intel/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig
> index 31fb76ee9d82..a1246e89aad4 100644
> --- a/drivers/net/ethernet/intel/Kconfig
> +++ b/drivers/net/ethernet/intel/Kconfig
> @@ -159,7 +159,7 @@ config IXGBE
>   	tristate "Intel(R) 10GbE PCI Express adapters support"
>   	depends on PCI
>   	select MDIO
> -	select MDIO_DEVICE
> +	select PHYLIB
>   	imply PTP_1588_CLOCK
>   	---help---
>   	  This driver supports Intel(R) 10GbE PCI Express family of
> 

Reviewed-by: Stephen Douthit <stephend at silicom-usa.com>