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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 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?

[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.

Other than that, this looks okay to me.
--
Florian

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