netdev - Re: [net-next v2 03/71] amd: Move AMD (Lance) chipset drivers

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Message-ID: <1312101030.20837.100.camel@jtkirshe-mobl>
Date:	Sun, 31 Jul 2011 01:30:29 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>,
	"sassmann@...hat.com" <sassmann@...hat.com>,
	Peter Maydell <pmaydell@...ark.greenend.org.uk>,
	Roman Hodek <Roman.Hodek@...ormatik.uni-erlangen.de>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	Donald Becker <becker@...ld.com>,
	Sam Creasey <sammy@...rs.qual.net>,
	Miguel de Icaza <miguel@...lecu.unam.mx>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Don Fry <pcnet32@...ntier.com>,
	Russell King <linux@....linux.org.uk>,
	David Davies <davies@...iac.ultranet.com>,
	"M.Hipp" <hippm@...ormatik.uni-tuebingen.de>,
	Pete Popov <ppopov@...eddedalley.com>,
	David Hinds <dahinds@...rs.sourceforge.net>,
	"Roger C. Pao" <rpao@...net.org>
Subject: Re: [net-next v2 03/71] amd: Move AMD (Lance) chipset drivers

On Sun, 2011-07-31 at 01:14 -0700, Geert Uytterhoeven wrote:
> On Sun, Jul 31, 2011 at 05:26, Jeff Kirsher <jeffrey.t.kirsher@...el.com> wrote:
> > --- /dev/null
> > +++ b/drivers/net/ethernet/amd/Kconfig
> > @@ -0,0 +1,188 @@
> > +#
> > +# AMD network device configuration
> > +#
> > +
> > +config NET_VENDOR_AMD
> > +       bool "AMD devices"
> > +       depends on DIO || MACH_DECSTATION || MVME147 || ATARI || SUN3 || \
> > +                  SUN3X || SBUS || PCI || ZORRO || (ISA && ISA_DMA_API) || \
> > +                  (ARM && ARCH_EBSA110) || ISA || EISA || MCA || PCMCIA
> 
> Do you really need this big dependency? It will be true in almost all
> cases anyway,
> and the individual driver options are protected by other dependencies.
> Just enabling this option doesn't make the kernel bigger.

My thought behind this was from the standpoint, if I have system/arch
which is not listed here and I am using menuconfig, I would not want to
see an option listed that does not have any value or drivers which I
could select.

> 
> > +       ---help---
> > +         If you have a network (Ethernet) chipset belonging to this class,
> > +         say Y.
> > +
> > +         Note that the answer to this question does not directly affect
> > +         the kernel: saying N will just case the configurator to skip all
> > +         the questions regarding AMD chipsets. If you say Y, you will be asked
> > +         for your specific chipset/driver in the following questions.
> > +
> > +config A2065
> > +       tristate "A2065 support"
> > +       depends on NET_VENDOR_AMD && ZORRO
> 
> What about putting all driver sections inside "if NET_VENDOR_AMD" /
> "endif", so the
> individual driver configs don't need to depend on NET_VENDOR_AMD anymore?

Your right, I could have done that instead.  I saw examples of both in
the current Kconfig's and I chose this one mainly because there were
several drivers already using this model, not that it was any better
than what you are suggesting.

Personally, after doing all the work, I do like your suggestion because
it would make it easier for adding drivers in the future, where they
would not have to "remember to add the NET_VENDOR_* to the driver
Kconfig dependency.

> 
> The rest looks fine to me.
> 
> Gr{oetje,eeting}s,
> 
>                         Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
>                                 -- Linus Torvalds



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