# RE: \[PATCH net-next 08/18\] ravb: Add R-Car common features

- From: Biju Das \<biju.das.jz@bp.renesas.com\>
- Date: 2021-07-29 15:10:58 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/07/9333794
- Thread: https://ratatoskr.run/netdev/2021/07/9333690/t.md

```text
Hi Andrew,

Thanks for the feedback.

> Subject: Re: [PATCH net-next 08/18] ravb: Add R-Car common features
> 
> > > > @@ -2205,8 +2235,10 @@ static int ravb_probe(struct
> > > > platform_device
> > > *pdev)
> > > >  	}
> > > >  	clk_prepare_enable(priv->refclk);
> > > >
> > > > -	ndev->max_mtu = 2048 - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN);
> > > > -	ndev->min_mtu = ETH_MIN_MTU;
> > > > +	if (info->features & RAVB_OVERRIDE_MTU_CHANGE) {
> > >
> > >    Why? :-/ Could you tell me more details?
> >
> > RX buff size = 2048 for R-Car where as it is 8K for RZ/G2L.
> 
> RAVB_OVERRIDE_MTU_CHANGE is not the most descriptive name. You are not
> overriding, you are setting the correct value for the hardware variant.

Thanks for correcting me.

> Maybe name the feature RAVB_8K_BUFFERS or RAVB_2K_BUFFERS.

OK.

> 
> Also, putting more details in the commit message will help, and lots of
> small patches, each patch doing one thing. 

Agreed. Will send smaller patches with more details on commit message.

It is much better to have 40
> simple, well documented, obviously correct patches, than 20 hard to
> understand patches. But please do submit them in small batches, no more
> than 15 at once.

OK. 

Cheers,
Biju
```