From 76ad97e150f1079163c8503c7b8e249db994b244 Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Thu, 10 Nov 2022 10:27:20 +0900 Subject: [PATCH] net: ethernet: renesas: rswitch: Fix build error about ptp If CONFIG_PTP_1588_CLOCK_OPTIONAL=m and CONFIG_RENESAS_ETHER_SWITCH=y, the following build error happened: aarch64-linux-ld: DWARF error: could not find abbrev number 60 drivers/net/ethernet/renesas/rswitch.o: in function `rswitch_get_ts_info': rswitch.c:(.text+0x408): undefined reference to `ptp_clock_index' aarch64-linux-ld: DWARF error: could not find abbrev number 1190123 drivers/net/ethernet/renesas/rcar_gen4_ptp.o: in function `rcar_gen4_ptp_register': rcar_gen4_ptp.c:(.text+0x4dc): undefined reference to `ptp_clock_register' aarch64-linux-ld: drivers/net/ethernet/renesas/rcar_gen4_ptp.o: in function `rcar_gen4_ptp_unregister': rcar_gen4_ptp.c:(.text+0x584): undefined reference to `ptp_clock_unregister' To fix the issue, add "depends on PTP_1588_CLOCK_OPTIONAL" into the Kconfig. Reported-by: kernel test robot Suggested-by: Arnd Bergmann Fixes: 6c6fa1a00ad3 ("net: ethernet: renesas: rswitch: Add R-Car Gen4 gPTP support") Signed-off-by: Yoshihiro Shimoda Link: https://lore.kernel.org/r/20221110012720.3552060-1-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/renesas/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig index 7a5e26b6ea9b..3ceb57408ed0 100644 --- a/drivers/net/ethernet/renesas/Kconfig +++ b/drivers/net/ethernet/renesas/Kconfig @@ -45,6 +45,7 @@ config RAVB config RENESAS_ETHER_SWITCH tristate "Renesas Ethernet Switch support" depends on ARCH_RENESAS || COMPILE_TEST + depends on PTP_1588_CLOCK_OPTIONAL select CRC32 select MII select PHYLINK -- 2.11.0