[PATCH 2/2] powerpc: e8248e: Select PHYLIB only if NETDEVICES is enabled

From	Andrey Smirnov <andrew.smirnov@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 2/2] powerpc: e8248e: Select PHYLIB only if NETDEVICES is enabled
Date	2016-07-26 06:40 +0200
Message-ID	<rZ2jT-5SK-3@gated-at.bofh.it> (permalink)
References	<rZ2jT-5SK-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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>
---
 arch/powerpc/platforms/82xx/Kconfig   | 4 ++--
 arch/powerpc/platforms/82xx/ep8248e.c | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig
index 7c7df400..994d1a9 100644
--- 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
--- 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;
 }
-- 
2.5.5

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[PATCH 2/2] powerpc: e8248e: Select PHYLIB only if NETDEVICES is enabled Andrey Smirnov <andrew.smirnov@gmail.com> - 2016-07-26 06:40 +0200

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