Re: [PATCH net-next v9 00/16] add support for Renesas RZ/N1 ethernet subsystem devices

[Clément Léger]

Le Sat, 25 Jun 2022 00:43:30 +0300,
Vladimir Oltean <olteanv@xxxxxxxxx> a écrit :

> On Fri, Jun 24, 2022 at 04:39:45PM +0200, Clément Léger wrote:
> > The Renesas RZ/N1 SoCs features an ethernet subsystem which contains
> > (most notably) a switch, two GMACs, and a MII converter [1]. This
> > series adds support for the switch and the MII converter.
> > 
> > The MII converter present on this SoC has been represented as a PCS
> > which sit between the MACs and the PHY. This PCS driver is probed from
> > the device-tree since it requires to be configured. Indeed the MII
> > converter also contains the registers that are handling the muxing of
> > ports (Switch, MAC, HSR, RTOS, etc) internally to the SoC.
> > 
> > The switch driver is based on DSA and exposes 4 ports + 1 CPU
> > management port. It include basic bridging support as well as FDB and
> > statistics support.
> > 
> > Link: [1] https://www.renesas.com/us/en/document/mah/rzn1d-group-rzn1s-group-rzn1l-group-users-manual-r-engine-and-ethernet-peripherals
> > 
> > -----
> > Changes in V9:
> > - Cover letter:
> >   - Remove comment about RZN1 patches that are now in the master branch.
> > - Commits:
> >   - Add Vladimir Oltean Reviewed-by
> > - PCS:
> >   - Add "Depends on OF" for PCS_RZN1_MIIC due to error found by intel
> >     kernel test robot <lkp@xxxxxxxxx>.
> >   - Check return value of of_property_read_u32() for
> >     "renesas,miic-switch-portin" property before setting conf.
> >   - Return miic_parse_dt() return value in miic_probe() on error
> > - Switch:
> >   - Add "Depends on OF" for NET_DSA_RZN1_A5PSW due to errors found by
> >     intel kernel test robot <lkp@xxxxxxxxx>.
> > - DT:
> >   - Add spaces between switch port and '{'  
> 
> I took one more look through the series and this looks good, thanks.

Hi Vladimir,

Thanks for the review.

Clément

> 
> Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx>



-- 
Clément Léger,
Embedded Linux and Kernel engineer at Bootlin
https://bootlin.com