On Tue, May 12, 2020 at 10:35 AM Grygorii Strashko <grygorii.strashko@xxxxxx> wrote: > > Hi Arnd, > > On 08/05/2020 14:25, Arnd Bergmann wrote: > > On Fri, May 8, 2020 at 1:14 PM Grygorii Strashko > > <grygorii.strashko@xxxxxx> wrote: > >> On 08/05/2020 13:10, Arnd Bergmann wrote: > >>> On Fri, May 8, 2020 at 11:59 AM Grygorii Strashko > > > >>>> That's because TI_CPTS_MOD (which is the symbol gating the _compilation_ of > >>>> cpts.c) now depends on PTP_1588_CLOCK, and so is not enabled in these > >>>> configurations, but TI_CPTS (which is the symbol gating _calls_ to the cpts > >>>> functions) _is_ enabled. So we end up compiling calls to functions that > >>>> don't exist, resulting in the linker errors. > >>>> > >>>> This patch fixes build errors and restores previous behavior by: > >>>> - ensure PTP_1588_CLOCK=y in TI specific configs and CPTS will be built > >>>> - use IS_REACHABLE(CONFIG_TI_CPTS) in code instead of IS_ENABLED() > >>> > >>> I don't understand what IS_REACHABLE() is needed for once all the other > >>> changes are in place. I'd hope we can avoid that. Do you still see > >>> failures without > >>> that or is it just a precaution. I can do some randconfig testing on your patch > >>> to see what else might be needed to avoid IS_REACHABLE(). > >> > >> I've not changed this part of original patch, but seems you're right. > >> > >> I can drop it and resend, but, unfortunately, i do not have time today for full build testing. > > > > I have applied to patch locally to my randconfig tree, with the IS_REACHABLE() > > changes taken out. > > > > What will be the conclusion here? I have seen no other problems with it, please leave out the the IS_REACHABLE() changes and just use the dependencies. Arnd