Re: [PATCH v2 2/2] ARM: shmobile: defconfig: Enable Ethernet AVB

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On Thu, Jul 06, 2017 at 08:05:43AM +0000, Chris Paterson wrote:
> Hello Sergei, 
> 
> Thank you for your comments.
> 
> > From: Sergei Shtylyov [mailto:sergei.shtylyov@xxxxxxxxxxxxxxxxxx]
> > Sent: 05 July 2017 17:14
> > 
> > Hello!
> > 
> > On 07/05/2017 06:56 PM, Biju Das wrote:
> > 
> > > The iWave RZ/G1M Q7 SOM supports Gigabit Ethernet Phy (Micrel
> > KSZ9031MNX).
> > > Gigabit Ethernet support is available in Renesas AVB driver.
> > > To increase hardware support enable the driver in the
> > > shmobile_defconfig multiplatform configuration.
> > >
> > > Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
> > > Reviewed-by: Chris Paterson <chris.paterson2@xxxxxxxxxxx>
> > > Acked-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > > ---
> > >  arch/arm/configs/shmobile_defconfig | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/arch/arm/configs/shmobile_defconfig
> > > b/arch/arm/configs/shmobile_defconfig
> > > index 3c66a42..d992911 100644
> > > --- a/arch/arm/configs/shmobile_defconfig
> > > +++ b/arch/arm/configs/shmobile_defconfig
> > > @@ -83,6 +83,7 @@ CONFIG_NETDEVICES=y
> > >  # CONFIG_NET_VENDOR_MICREL is not set  #
> > CONFIG_NET_VENDOR_NATSEMI is
> > > not set  CONFIG_SH_ETH=y
> > > +CONFIG_RAVB=y
> > 
> >     Hm, I would enable it only as a module, given it's not easy to make use of
> > AVB on the 32-bit boards.
> 
> On the iWave-M platforms the only available Ethernet interface is AVB.
> Without including the RAVB driver in the Kernel we won't be able to use
> NFS.
> 
> I know adding CONFIG_RAVB for all shmobile devices may increase the
> Kernel size for everyone, especially when most cannot use AVB without an
> add-on board, but I don't think the increase will be big.

Thanks for the explanation, applied for v4.14.
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