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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>