powerpc/e8248e: Select PHYLIB only if NETDEVICES is enabled

Select PHYLIB only if NETDEVICES is enabled and MDIO_BITBANG only if
PHYLIB is present to avoid warnings from Kconfig.

To prevent undefined references during linking register MDIO driver only
if CONFIG_MDIO_BITBANG is enabled.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>

diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig
index 7c7df40..994d1a9 100644 (file)
--- a/arch/powerpc/platforms/82xx/Kconfig
+++ b/arch/powerpc/platforms/82xx/Kconfig
@@ -30,8 +30,8 @@ config EP8248E
        select 8272
        select 8260
        select FSL_SOC
-       select PHYLIB
-       select MDIO_BITBANG
+       select PHYLIB if NETDEVICES
+       select MDIO_BITBANG if PHYLIB
        help
          This enables support for the Embedded Planet EP8248E board.
 

diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index cdab847..8fec050 100644 (file)
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -298,7 +298,9 @@ static const struct of_device_id of_bus_ids[] __initconst = {
 static int __init declare_of_platform_devices(void)
 {
        of_platform_bus_probe(NULL, of_bus_ids, NULL);
-       platform_driver_register(&ep8248e_mdio_driver);
+
+       if (IS_ENABLED(CONFIG_MDIO_BITBANG))
+               platform_driver_register(&ep8248e_mdio_driver);
 
        return 0;
 }