El jue, 23 mar 2023 a las 17:43, Florian Fainelli
(<f.fainelli@xxxxxxxxx>) escribió:
>
> On 3/23/23 05:18, Álvaro Fernández Rojas wrote:
> > From: Paul Geurts <paul.geurts@xxxxxxxxxxxxxxxxxxxxxxxxx>
> >
> > Add support for the BCM53134 Ethernet switch in the existing b53 dsa driver.
> > BCM53134 is very similar to the BCM58XX series.
> >
> > Signed-off-by: Paul Geurts <paul.geurts@xxxxxxxxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
> > ---
> > drivers/net/dsa/b53/b53_common.c | 53 +++++++++++++++++++++++++++++++-
> > drivers/net/dsa/b53/b53_mdio.c | 5 ++-
> > drivers/net/dsa/b53/b53_priv.h | 9 +++++-
> > 3 files changed, 64 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
> > index 1f9b251a5452..aaa0813e6f59 100644
> > --- a/drivers/net/dsa/b53/b53_common.c
> > +++ b/drivers/net/dsa/b53/b53_common.c
> > @@ -1282,6 +1282,42 @@ static void b53_adjust_link(struct dsa_switch *ds, int port,
> > if (is63xx(dev) && port >= B53_63XX_RGMII0)
> > b53_adjust_63xx_rgmii(ds, port, phydev->interface);
> >
> > + if (is53134(dev) && phy_interface_is_rgmii(phydev)) {
>
> Why is not this in the same code block as the one for the is531x5()
> device like this:
This is what I asked on the cover letter:
> I also added a separate RGMII handling block for is53134() since according to
> Paul, BCM53134 doesn't support RGMII_CTRL_TIMING_SEL as opposed to is531x5().
Should I add it to the same block and avoid adding
RGMII_CTRL_TIMING_SEL if is53134() or is it compatible with
RGMII_CTRL_TIMING_SEL?
>
> diff --git a/drivers/net/dsa/b53/b53_common.c
> b/drivers/net/dsa/b53/b53_common.c
> index 59cdfc51ce06..1c64b6ce7e78 100644
> --- a/drivers/net/dsa/b53/b53_common.c
> +++ b/drivers/net/dsa/b53/b53_common.c
> @@ -1235,7 +1235,7 @@ static void b53_adjust_link(struct dsa_switch *ds,
> int port,
> tx_pause, rx_pause);
> b53_force_link(dev, port, phydev->link);
>
> - if (is531x5(dev) && phy_interface_is_rgmii(phydev)) {
> + if ((is531x5(dev) || is53134(dev)) &&
> phy_interface_is_rgmii(phydev)) {
> if (port == dev->imp_port)
> off = B53_RGMII_CTRL_IMP;
> else
>
> Other than that, LGTM!
> --
> Florian
>
--
Álvaro.
