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SubjectRe: [PATCH net-next 2/6] net: dsa: mt7530: Extend device data ready for adding a new hardware
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On Thu, 2019-12-12 at 11:45 +0800, Florian Fainelli wrote:
>
> On 12/10/2019 12:14 AM, Landen Chao wrote:
> > Add a structure holding required operations for each device such as device
> > initialization, PHY port read or write, a checker whether PHY interface is
> > supported on a certain port, MAC port setup for either bus pad or a
> > specific PHY interface.
> >
> > The patch is done for ready adding a new hardware MT7531.
> >
> > Signed-off-by: Landen Chao <landen.chao@mediatek.com>
> > Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> > ---
> [snip]
>
> > diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> > index ed1ec10ec62b..9a648d1f5d09 100644
> > --- a/drivers/net/dsa/mt7530.c
> > +++ b/drivers/net/dsa/mt7530.c
> > @@ -425,7 +425,7 @@ mt7530_fdb_write(struct mt7530_priv *priv, u16 vid,
> > }
> >
> > static int
> > -mt7530_pad_clk_setup(struct dsa_switch *ds, int mode)
> > +mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t mode)
>
> Here you pass a phy_interface_t argument but not in mt7632_pad_clk_setup().
>
> > +static int
> > +mt7530_pad_setup(struct dsa_switch *ds, const struct phylink_link_state *state)
> > +{
> > + struct mt7530_priv *priv = ds->priv;
> > +
> > + /* Setup TX circuit incluing relevant PAD and driving */
> > + mt7530_pad_clk_setup(ds, state->interface);
> > +
> > + if (priv->id == ID_MT7530) {
> > + /* Setup RX circuit, relevant PAD and driving on the
> > + * host which must be placed after the setup on the
> > + * device side is all finished.
> > + */
> > + mt7623_pad_clk_setup(ds);
>
> Would not it make sense to pass it down here as well for consistency?
mt7623_pad_clk() contains the setting for PHY_INTERFACE_MODE_TRGMII. It
is really better to pass phy_interface_t for error handling.
>
> [snip]
>
> > @@ -1660,8 +1768,19 @@ mt7530_probe(struct mdio_device *mdiodev)
> > /* Get the hardware identifier from the devicetree node.
> > * We will need it for some of the clock and regulator setup.
> > */
> > - priv->id = (unsigned int)(unsigned long)
> > - of_device_get_match_data(&mdiodev->dev);
> > + priv->info = of_device_get_match_data(&mdiodev->dev);
> > + if (!priv->info)
> > + return -EINVAL;
> > +
> > + /* Sanity check if these required device operstaions are filled
> > + * properly.
>
> Typo: operations.
Oops, sorry. I'll correct it.

Landen
>
> Other than that, this looks okay to me.

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