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Message-ID: <20230223161309.0e439c5f@kernel.org>
Date:   Thu, 23 Feb 2023 16:13:09 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Jacob Keller <jacob.e.keller@...el.com>
Cc:     Intel Wired LAN <intel-wired-lan@...ts.osuosl.org>,
        <netdev@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
        Alexander Lobakin <alexandr.lobakin@...el.com>,
        Anthony Nguyen <anthony.l.nguyen@...el.com>
Subject: Re: [intel-net] ice: remove unnecessary CONFIG_ICE_GNSS

On Thu, 23 Feb 2023 14:55:07 -0800 Jacob Keller wrote:
> > I mean instead of s/IS_ENABLED/IS_REACHABLE/ do this:
> > 
> > index 3facb55b7161..198995b3eab5 100644
> > --- a/drivers/net/ethernet/intel/Kconfig
> > +++ b/drivers/net/ethernet/intel/Kconfig
> > @@ -296,6 +296,7 @@ config ICE
> >         default n
> >         depends on PCI_MSI
> >         depends on PTP_1588_CLOCK_OPTIONAL
> > +       depends on GNSS || GNSS=n
> >         select AUXILIARY_BUS
> >         select DIMLIB
> >         select NET_DEVLINK
> > 
> > Or do you really care about building ICE with no GNSS.. ?  
> 
> This would probably also work, but you'd still need #if IS_ENABLED in
> ice_gnss.h to split the stub functions when GNSS is disabled.
> 
> The original author, Arkadiusz, can comment on whether we care about
> building without GNSS support.
> 
> My guess its a "we don't need it for core functionality, so we don't
> want to block building ice if someone doesn't want GNSS for whatever
> reason."

Just to be crystal clear we're talking about the GNSS=m ICE=y case.
I'm suggesting that it should be disallowed at the Kconfig level.
ICE=m/y GNSS=n will still work as expected.

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