On Mon, Jan 22, 2024 at 10:28:41PM +0100, Dimitri Fedrau wrote: int tmp; > + switch (attr) { > + case hwmon_temp_input: > + ret = phy_read_mmd(phydev, MDIO_MMD_PCS, > + MDIO_MMD_PCS_MV_TEMP_SENSOR3); > + if (ret < 0) > + return ret; > + > + *val = ((ret & MDIO_MMD_PCS_MV_TEMP_SENSOR3_MASK) - 75) * 1000; tmp = FIELD_GET(MDIO_MMD_PCS_MV_TEMP_SENSOR3_MASK, ret); *val = (tmp - 75) * 1000; > + return 0; > + case hwmon_temp_max: > + ret = phy_read_mmd(phydev, MDIO_MMD_PCS, > + MDIO_MMD_PCS_MV_TEMP_SENSOR3); > + if (ret < 0) > + return ret; > + > + *val = (((ret & MDIO_MMD_PCS_MV_TEMP_SENSOR3_INT_THRESH_MASK) >> > + MDIO_MMD_PCS_MV_TEMP_SENSOR3_INT_THRESH_SHIFT) - 75) * > + 1000; tmp = FIELD_GET(MDIO_MMD_PCS_MV_TEMP_SENSOR3_INT_THRESH_MASK, ret); *val = (tmp - 75) * 1000; > + return 0; > + case hwmon_temp_alarm: > + ret = phy_read_mmd(phydev, MDIO_MMD_PCS, > + MDIO_MMD_PCS_MV_TEMP_SENSOR1); > + if (ret < 0) > + return ret; > + > + *val = !!(ret & MDIO_MMD_PCS_MV_TEMP_SENSOR1_RAW_INT); > + return 0; > + default: > + return -EOPNOTSUPP; > + } > +} > + > +static int mv88q2xxx_hwmon_write(struct device *dev, > + enum hwmon_sensor_types type, u32 attr, > + int channel, long val) > +{ > + struct phy_device *phydev = dev_get_drvdata(dev); > + > + switch (attr) { > + case hwmon_temp_max: > + if (val < -75000 || val > 180000) > + return -EINVAL; > + > + val = ((val / 1000) + 75) << > + MDIO_MMD_PCS_MV_TEMP_SENSOR3_INT_THRESH_SHIFT; val = (val / 1000) + 75; val = FIELD_PREP(MDIO_MMD_PCS_MV_TEMP_SENSOR3_INT_THRESH_MASK, val); ... and therefore no need for the _SHIFT constants. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!