Hi Sergei, Thanks for the feedback. > Subject: Re: [RFC/PATCH 09/18] ravb: Add half_duplex to struct > ravb_hw_info > > On 9/23/21 5:08 PM, Biju Das wrote: > > > RZ/G2L supports half duplex mode. > > Add a half_duplex hw feature bit to struct ravb_hw_info for supporting > > half duplex mode for RZ/G2L. > > > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > [...] > > Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx> > > Just a little bit of change needed... > > [...] > > diff --git a/drivers/net/ethernet/renesas/ravb_main.c > > b/drivers/net/ethernet/renesas/ravb_main.c > > index 5d18681582b9..04bff44b7660 100644 > > --- a/drivers/net/ethernet/renesas/ravb_main.c > > +++ b/drivers/net/ethernet/renesas/ravb_main.c > > @@ -1076,6 +1076,18 @@ static int ravb_poll(struct napi_struct *napi, > int budget) > > return budget - quota; > > } > > > > +static void ravb_set_duplex_rgeth(struct net_device *ndev) { > > + struct ravb_private *priv = netdev_priv(ndev); > > + u32 ecmr = ravb_read(ndev, ECMR); > > + > > + if (priv->duplex > 0) /* Full */ > > + ecmr |= ECMR_DM; > > + else /* Half */ > > + ecmr &= ~ECMR_DM; > > + ravb_write(ndev, ecmr, ECMR); > > I think we should do that like sh_eth.c: > > ravb_modify(ndev, ECMR, ECMR_DM, priv->duplex > 0 ? ECMR_DM : 0); OK. Will do Regards, Biju > > [...] > > MBR, Sergey