Hello,
> diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
> index f41b224a9cdb..3e4243e4f7a7 100644
> --- a/drivers/net/phy/micrel.c
> +++ b/drivers/net/phy/micrel.c
> @@ -528,6 +528,8 @@ static int ksz9031_enable_edpd(struct phy_device *phydev)
>
> static int ksz9031_config_init(struct phy_device *phydev)
> {
> + int rc;
> + u16 val;
These could be declared in more local scope.
> const struct device *dev = &phydev->mdio.dev;
> const struct device_node *of_node = dev->of_node;
> static const char *clk_skews[2] = {"rxc-skew-ps", "txc-skew-ps"};
> @@ -573,6 +575,22 @@ static int ksz9031_config_init(struct phy_device *phydev)
> ksz9031_of_load_skew_values(phydev, of_node,
> MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
> tx_data_skews, 4);
> +
> + /* force master mode -> errata #2
> + * attention: Master <-> Master will not work
> + */
> + if (of_property_read_bool(of_node, "force-master")) {
> + rc = phy_read(phydev, MII_CTRL1000);
> + if (rc >= 0) {
> + val = (u16)rc;
> + /* enable master mode, config &
> + * prefer master
> + */
> + val |= (CTL1000_ENABLE_MASTER |
> + CTL1000_AS_MASTER);
> + phy_write(phydev, MII_CTRL1000, val);
There is no need for two variables, just use a single int variable that
on all Linux archs can hold the whole domain of u16 should be fine.
> + }
> + }
Maybe issue a warning if reading MII_CTRL1000 failed?
> }
>
> return ksz9031_center_flp_timing(phydev);
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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