[PATCH net-next] net: dsa: vsc73xx: Fix Kconfig warning and build errors

[YueHaibing]

Fix Kconfig dependency warning and subsequent build errors
caused by OF is not set:

WARNING: unmet direct dependencies detected for NET_DSA_VITESSE_VSC73XX
  Depends on [n]: NETDEVICES [=y] && HAVE_NET_DSA [=y] && OF [=n] && NET_DSA [=m]
  Selected by [m]:
  - NET_DSA_VITESSE_VSC73XX_PLATFORM [=m] && NETDEVICES [=y] && HAVE_NET_DSA [=y] && HAS_IOMEM [=y]

Make NET_DSA_VITESSE_VSC73XX_SPI and NET_DSA_VITESSE_VSC73XX_PLATFORM
depends on NET_DSA_VITESSE_VSC73XX to fix this.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Suggested-by: Andrew Lunn <andrew@xxxxxxx>
Fixes: 95711cd5f0b4 ("net: dsa: vsc73xx: Split vsc73xx driver")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
v2: Use "depends on" instead of "select" NET_DSA_VITESSE_VSC73XX
---
 drivers/net/dsa/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig
index cf9dbd1..618853d 100644
--- a/drivers/net/dsa/Kconfig
+++ b/drivers/net/dsa/Kconfig
@@ -99,7 +99,7 @@ config NET_DSA_SMSC_LAN9303_MDIO
 	  for MDIO managed mode.
 
 config NET_DSA_VITESSE_VSC73XX
-	tristate
+	tristate "Vitesse VSC7385/7388/7395/7398 support"
 	depends on OF
 	depends on NET_DSA
 	select FIXED_PHY
@@ -112,7 +112,7 @@ config NET_DSA_VITESSE_VSC73XX
 config NET_DSA_VITESSE_VSC73XX_SPI
 	tristate "Vitesse VSC7385/7388/7395/7398 SPI mode support"
 	depends on SPI
-	select NET_DSA_VITESSE_VSC73XX
+	depends on NET_DSA_VITESSE_VSC73XX
 	---help---
 	  This enables support for the Vitesse VSC7385, VSC7388, VSC7395
 	  and VSC7398 SparX integrated ethernet switches in SPI managed mode.
@@ -120,7 +120,7 @@ config NET_DSA_VITESSE_VSC73XX_SPI
 config NET_DSA_VITESSE_VSC73XX_PLATFORM
 	tristate "Vitesse VSC7385/7388/7395/7398 Platform mode support"
 	depends on HAS_IOMEM
-	select NET_DSA_VITESSE_VSC73XX
+	depends on NET_DSA_VITESSE_VSC73XX
 	---help---
 	  This enables support for the Vitesse VSC7385, VSC7388, VSC7395
 	  and VSC7398 SparX integrated ethernet switches, connected over
-- 
2.7.4