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

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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.


Kind regards, Chris 

> 
> [...]
> 
> MBR Sergei

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