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net: systemport: add NET_DSA dependency

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The notifier cause a link error when NET_DSA is a loadable
module:

drivers/net/ethernet/broadcom/bcmsysport.o: In function `bcm_sysport_remove':
bcmsysport.c:(.text+0x1582): undefined reference to `unregister_dsa_notifier'
drivers/net/ethernet/broadcom/bcmsysport.o: In function `bcm_sysport_probe':
bcmsysport.c:(.text+0x278d): undefined reference to `register_dsa_notifier'

This adds a dependency that forces the systemport driver to be
a loadable module as well when that happens, but otherwise
allows it to be built normally when DSA is either built-in or
completely disabled.

Fixes: d156576362c0 ("net: systemport: Establish lower/upper queue mapping")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2017-10-16 13:32:36 +02:00 committed by David S. Miller
parent 92c43fcafe
commit 00fb3a7c7c
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/broadcom/Kconfig
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@ -184,6 +184,7 @@ config BGMAC_PLATFORM
config SYSTEMPORT
tristate "Broadcom SYSTEMPORT internal MAC support"
depends on OF
depends on NET_DSA || !NET_DSA
select MII
select PHYLIB
select FIXED_PHY