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net: dsa: sja1105: improve NET_DSA_SJA1105_TAS dependency 

An earlier bugfix introduced a dependency on CONFIG_NET_SCH_TAPRIO,
but this missed the case of NET_SCH_TAPRIO=m and NET_DSA_SJA1105=y,
which still causes a link error:

drivers/net/dsa/sja1105/sja1105_tas.o: In function `sja1105_setup_tc_taprio':
sja1105_tas.c:(.text+0x5c): undefined reference to `taprio_offload_free'
sja1105_tas.c:(.text+0x3b4): undefined reference to `taprio_offload_get'
drivers/net/dsa/sja1105/sja1105_tas.o: In function `sja1105_tas_teardown':
sja1105_tas.c:(.text+0x6ec): undefined reference to `taprio_offload_free'

Change the dependency to only allow selecting the TAS code when it
can link against the taprio code.

Fixes: a8d570de0c ("net: dsa: sja1105: Add dependency for NET_DSA_SJA1105_TAS")
Fixes: 317ab5b86c ("net: dsa: sja1105: Configure the Time-Aware Scheduler via tc-taprio offload")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2019-10-25 09:26:35 +02:00 committed by David S. Miller
parent 88824e3bf2
commit 5d294fc483
1 changed files with 2 additions and 2 deletions
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4
drivers/net/dsa/sja1105/Kconfig
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@ -26,8 +26,8 @@ config NET_DSA_SJA1105_PTP
config NET_DSA_SJA1105_TAS
bool "Support for the Time-Aware Scheduler on NXP SJA1105"
depends on NET_DSA_SJA1105
depends on NET_SCH_TAPRIO
depends on NET_DSA_SJA1105 && NET_SCH_TAPRIO
depends on NET_SCH_TAPRIO=y || NET_DSA_SJA1105=m
help
This enables support for the TTEthernet-based egress scheduling
engine in the SJA1105 DSA driver, which is controlled using a