Hi Arnd, > From: Arnd Bergmann, Sent: Thursday, November 10, 2022 1:34 AM > > On Wed, Nov 9, 2022, at 15:21, kernel test robot wrote: > > tree: > > > > master > ): > > > > s390x-linux-ld: DWARF error: could not find abbrev number 4453 > > drivers/net/ethernet/renesas/rswitch.o: in function `rswitch_get_ts_info': > >>> rswitch.c:(.text+0x2a28): undefined reference to `ptp_clock_index' > > s390x-linux-ld: DWARF error: could not find abbrev number 11 > > drivers/net/ethernet/renesas/rcar_gen4_ptp.o: in function > > `rcar_gen4_ptp_register': > >>> rcar_gen4_ptp.c:(.text+0xd6): undefined reference to `ptp_clock_register' > > s390x-linux-ld: drivers/net/ethernet/renesas/rcar_gen4_ptp.o: in > > function `rcar_gen4_ptp_unregister': > >>> rcar_gen4_ptp.c:(.text+0x198): undefined reference to `ptp_clock_unregister' > > This usually means the driver needs an extra Kconfig dependency: > > depends on PTP_1588_CLOCK_OPTIONAL Thank you for your comment. I'll send a patch to fix the issue. Best regards, Yoshihiro Shimoda
