linux-kernel - Re: [PATCH v2 2/2] net: Add driver for LiteX's LiteEth network interface

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Message-ID: <YShJv2XRud7pSseZ@lunn.ch>
Date:   Fri, 27 Aug 2021 04:11:11 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Joel Stanley <joel@....id.au>
Cc:     "Gabriel L. Somlo" <gsomlo@...il.com>,
        Florent Kermarrec <florent@...oy-digital.fr>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Karol Gugala <kgugala@...micro.com>,
        Mateusz Holenko <mholenko@...micro.com>,
        devicetree <devicetree@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Shah <dave@....me>, Stafford Horne <shorne@...il.com>
Subject: Re: [PATCH v2 2/2] net: Add driver for LiteX's LiteEth network
 interface

On Wed, Aug 25, 2021 at 06:35:17AM +0000, Joel Stanley wrote:
> On Tue, 24 Aug 2021 at 19:43, Gabriel L. Somlo <gsomlo@...il.com> wrote:
> >
> > Hi Joel,
> >
> > Couple of comments below:
> >
> > On Fri, Aug 20, 2021 at 05:17:26PM +0930, Joel Stanley wrote:
> 
> > > diff --git a/drivers/net/ethernet/litex/Kconfig b/drivers/net/ethernet/litex/Kconfig
> > > new file mode 100644
> > > index 000000000000..265dba414b41
> > > --- /dev/null
> > > +++ b/drivers/net/ethernet/litex/Kconfig
> 
> > > +
> > > +config LITEX_LITEETH
> > > +     tristate "LiteX Ethernet support"
> >
> > Mostly cosmetic, but should there be a "depends on LITEX" statement in here?
> 
> No, there's as there is no dependency on the litex soc driver.

Which is good, you will get more build coverage that way, it will be
built of x86, arm, mips, etc...

> 
> > Maybe also "select MII" and "select PHYLIB"?
> 
> Again, there is no mii or phy code so the driver doesn't need these.

Yet.

At some point i expect you will need these, but you don't need them
now.

	Andrew