RE: [linux-next:master 4222/6614] rswitch.c:undefined reference to `ptp_clock_index'

[Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>]

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