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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Roger Quadros , Mohan Reddy Putluru , MD Danish Anwar , Arnd Bergmann , Sascha Hauer X-Mailer: b4 0.14.2 Commit 95540ad6747c ("net: ti: icssg-prueth: Add support for HSR frame forward offload") introduced support for offloading HSR frame forwarding, which relies on functions such as is_hsr_master() provided by the HSR module. Although HSR provides stubs for configurations with HSR disabled, this driver still requires an optional dependency on HSR. Otherwise, build failures will occur when icssg-prueth is built-in while HSR is configured as a module. ld.lld: error: undefined symbol: is_hsr_master >>> referenced by icssg_prueth.c:710 (drivers/net/ethernet/ti/icssg/icssg_prueth.c:710) >>> drivers/net/ethernet/ti/icssg/icssg_prueth.o:(icssg_prueth_hsr_del_mcast) in archive vmlinux.a >>> referenced by icssg_prueth.c:681 (drivers/net/ethernet/ti/icssg/icssg_prueth.c:681) >>> drivers/net/ethernet/ti/icssg/icssg_prueth.o:(icssg_prueth_hsr_add_mcast) in archive vmlinux.a >>> referenced by icssg_prueth.c:1812 (drivers/net/ethernet/ti/icssg/icssg_prueth.c:1812) >>> drivers/net/ethernet/ti/icssg/icssg_prueth.o:(prueth_netdevice_event) in archive vmlinux.a ld.lld: error: undefined symbol: hsr_get_port_ndev >>> referenced by icssg_prueth.c:712 (drivers/net/ethernet/ti/icssg/icssg_prueth.c:712) >>> drivers/net/ethernet/ti/icssg/icssg_prueth.o:(icssg_prueth_hsr_del_mcast) in archive vmlinux.a >>> referenced by icssg_prueth.c:712 (drivers/net/ethernet/ti/icssg/icssg_prueth.c:712) >>> drivers/net/etherneteth_hsr_del_mcast) in archive vmlinux.a >>> referenced by icssg_prueth.c:683 (drivers/net/ethernet/ti/icssg/icssg_prueth.c:683) >>> drivers/net/ethernet/ti/icssg/icssg_prueth.o:(icssg_prueth_hsr_add_mcast) in archive vmlinux.a >>> referenced 1 more times Fixes: 95540ad6747c ("net: ti: icssg-prueth: Add support for HSR frame forward offload") Signed-off-by: Kevin Hao Cc: stable@vger.kernel.org --- Cc: Andrew Lunn Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Roger Quadros Cc: Mohan Reddy Putluru Cc: MD Danish Anwar Cc: Arnd Bergmann Cc: Sascha Hauer --- Changes in v2: - Switch to the optional dependency as recommended by Jakub. - Link to v1: https://lore.kernel.org/r/20260203-icssg-dep-v1-1-bacaf5234fb3@gmail.com --- drivers/net/ethernet/ti/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig index fe5b2926d8ab060d83f5a58d91e749a45c6cea18..ade43c921c71daca930df5e890ca00b3ccf600c4 100644 --- a/drivers/net/ethernet/ti/Kconfig +++ b/drivers/net/ethernet/ti/Kconfig @@ -192,6 +192,7 @@ config TI_ICSSG_PRUETH depends on NET_SWITCHDEV depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER depends on PTP_1588_CLOCK_OPTIONAL + depends on HSR if HSR help Support dual Gigabit Ethernet ports over the ICSSG PRU Subsystem. This subsystem is available starting with the AM65 platform. --- base-commit: 9845cf73f7db6094c0d8419d6adb848028f4a921 change-id: 20260203-icssg-dep-b9f7fc2be11e Best regards, -- Kevin Hao