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Date: Tue, 20 Apr 2021 09:53:59 +0200
From: Marek Behún <kabel@...nel.org>
To: netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>
Cc: "David S . Miller" <davem@...emloft.net>,
Russell King <rmk+kernel@...linux.org.uk>, kuba@...nel.org,
Marek Behún <kabel@...nel.org>
Subject: [PATCH net-next v2 1/5] net: phy: marvell: refactor HWMON OOP style
Use a structure of Marvell PHY specific HWMON methods to reduce code
duplication. Store a pointer to this structure into the PHY driver's
driver_data member.
Signed-off-by: Marek Behún <kabel@...nel.org>
---
drivers/net/phy/marvell.c | 369 +++++++++++++-------------------------
1 file changed, 125 insertions(+), 244 deletions(-)
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 8018ddf7f316..70cfcfcdd8f2 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -2216,6 +2216,19 @@ static int marvell_vct7_cable_test_get_status(struct phy_device *phydev,
}
#ifdef CONFIG_HWMON
+struct marvell_hwmon_ops {
+ int (*get_temp)(struct phy_device *phydev, long *temp);
+ int (*get_temp_critical)(struct phy_device *phydev, long *temp);
+ int (*set_temp_critical)(struct phy_device *phydev, long temp);
+ int (*get_temp_alarm)(struct phy_device *phydev, long *alarm);
+};
+
+static const struct marvell_hwmon_ops *
+to_marvell_hwmon_ops(const struct phy_device *phydev)
+{
+ return phydev->drv->driver_data;
+}
+
static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
{
int oldpage;
@@ -2259,75 +2272,6 @@ static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
return phy_restore_page(phydev, oldpage, ret);
}
-static int m88e1121_hwmon_read(struct device *dev,
- enum hwmon_sensor_types type,
- u32 attr, int channel, long *temp)
-{
- struct phy_device *phydev = dev_get_drvdata(dev);
- int err;
-
- switch (attr) {
- case hwmon_temp_input:
- err = m88e1121_get_temp(phydev, temp);
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- return err;
-}
-
-static umode_t m88e1121_hwmon_is_visible(const void *data,
- enum hwmon_sensor_types type,
- u32 attr, int channel)
-{
- if (type != hwmon_temp)
- return 0;
-
- switch (attr) {
- case hwmon_temp_input:
- return 0444;
- default:
- return 0;
- }
-}
-
-static u32 m88e1121_hwmon_chip_config[] = {
- HWMON_C_REGISTER_TZ,
- 0
-};
-
-static const struct hwmon_channel_info m88e1121_hwmon_chip = {
- .type = hwmon_chip,
- .config = m88e1121_hwmon_chip_config,
-};
-
-static u32 m88e1121_hwmon_temp_config[] = {
- HWMON_T_INPUT,
- 0
-};
-
-static const struct hwmon_channel_info m88e1121_hwmon_temp = {
- .type = hwmon_temp,
- .config = m88e1121_hwmon_temp_config,
-};
-
-static const struct hwmon_channel_info *m88e1121_hwmon_info[] = {
- &m88e1121_hwmon_chip,
- &m88e1121_hwmon_temp,
- NULL
-};
-
-static const struct hwmon_ops m88e1121_hwmon_hwmon_ops = {
- .is_visible = m88e1121_hwmon_is_visible,
- .read = m88e1121_hwmon_read,
-};
-
-static const struct hwmon_chip_info m88e1121_hwmon_chip_info = {
- .ops = &m88e1121_hwmon_hwmon_ops,
- .info = m88e1121_hwmon_info,
-};
-
static int m88e1510_get_temp(struct phy_device *phydev, long *temp)
{
int ret;
@@ -2390,92 +2334,6 @@ static int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm)
return 0;
}
-static int m88e1510_hwmon_read(struct device *dev,
- enum hwmon_sensor_types type,
- u32 attr, int channel, long *temp)
-{
- struct phy_device *phydev = dev_get_drvdata(dev);
- int err;
-
- switch (attr) {
- case hwmon_temp_input:
- err = m88e1510_get_temp(phydev, temp);
- break;
- case hwmon_temp_crit:
- err = m88e1510_get_temp_critical(phydev, temp);
- break;
- case hwmon_temp_max_alarm:
- err = m88e1510_get_temp_alarm(phydev, temp);
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- return err;
-}
-
-static int m88e1510_hwmon_write(struct device *dev,
- enum hwmon_sensor_types type,
- u32 attr, int channel, long temp)
-{
- struct phy_device *phydev = dev_get_drvdata(dev);
- int err;
-
- switch (attr) {
- case hwmon_temp_crit:
- err = m88e1510_set_temp_critical(phydev, temp);
- break;
- default:
- return -EOPNOTSUPP;
- }
- return err;
-}
-
-static umode_t m88e1510_hwmon_is_visible(const void *data,
- enum hwmon_sensor_types type,
- u32 attr, int channel)
-{
- if (type != hwmon_temp)
- return 0;
-
- switch (attr) {
- case hwmon_temp_input:
- case hwmon_temp_max_alarm:
- return 0444;
- case hwmon_temp_crit:
- return 0644;
- default:
- return 0;
- }
-}
-
-static u32 m88e1510_hwmon_temp_config[] = {
- HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
- 0
-};
-
-static const struct hwmon_channel_info m88e1510_hwmon_temp = {
- .type = hwmon_temp,
- .config = m88e1510_hwmon_temp_config,
-};
-
-static const struct hwmon_channel_info *m88e1510_hwmon_info[] = {
- &m88e1121_hwmon_chip,
- &m88e1510_hwmon_temp,
- NULL
-};
-
-static const struct hwmon_ops m88e1510_hwmon_hwmon_ops = {
- .is_visible = m88e1510_hwmon_is_visible,
- .read = m88e1510_hwmon_read,
- .write = m88e1510_hwmon_write,
-};
-
-static const struct hwmon_chip_info m88e1510_hwmon_chip_info = {
- .ops = &m88e1510_hwmon_hwmon_ops,
- .info = m88e1510_hwmon_info,
-};
-
static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
{
int sum = 0;
@@ -2534,63 +2392,112 @@ static int m88e6390_get_temp(struct phy_device *phydev, long *temp)
return ret;
}
-static int m88e6390_hwmon_read(struct device *dev,
- enum hwmon_sensor_types type,
- u32 attr, int channel, long *temp)
+static int marvell_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, long *temp)
{
struct phy_device *phydev = dev_get_drvdata(dev);
- int err;
+ const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
+ int err = -EOPNOTSUPP;
switch (attr) {
case hwmon_temp_input:
- err = m88e6390_get_temp(phydev, temp);
+ if (ops->get_temp)
+ err = ops->get_temp(phydev, temp);
+ break;
+ case hwmon_temp_crit:
+ if (ops->get_temp_critical)
+ err = ops->get_temp_critical(phydev, temp);
+ break;
+ case hwmon_temp_max_alarm:
+ if (ops->get_temp_alarm)
+ err = ops->get_temp_alarm(phydev, temp);
+ break;
+ }
+
+ return err;
+}
+
+static int marvell_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, long temp)
+{
+ struct phy_device *phydev = dev_get_drvdata(dev);
+ const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
+ int err = -EOPNOTSUPP;
+
+ switch (attr) {
+ case hwmon_temp_crit:
+ if (ops->set_temp_critical)
+ err = ops->set_temp_critical(phydev, temp);
break;
default:
- return -EOPNOTSUPP;
+ fallthrough;
}
return err;
}
-static umode_t m88e6390_hwmon_is_visible(const void *data,
- enum hwmon_sensor_types type,
- u32 attr, int channel)
+static umode_t marvell_hwmon_is_visible(const void *data,
+ enum hwmon_sensor_types type,
+ u32 attr, int channel)
{
+ const struct phy_device *phydev = data;
+ const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
+
if (type != hwmon_temp)
return 0;
switch (attr) {
case hwmon_temp_input:
- return 0444;
+ return ops->get_temp ? 0444 : 0;
+ case hwmon_temp_max_alarm:
+ return ops->get_temp_alarm ? 0444 : 0;
+ case hwmon_temp_crit:
+ return (ops->get_temp_critical ? 0444 : 0) |
+ (ops->set_temp_critical ? 0200 : 0);
default:
return 0;
}
}
-static u32 m88e6390_hwmon_temp_config[] = {
- HWMON_T_INPUT,
+static u32 marvell_hwmon_chip_config[] = {
+ HWMON_C_REGISTER_TZ,
0
};
-static const struct hwmon_channel_info m88e6390_hwmon_temp = {
+static const struct hwmon_channel_info marvell_hwmon_chip = {
+ .type = hwmon_chip,
+ .config = marvell_hwmon_chip_config,
+};
+
+/* we can define HWMON_T_CRIT and HWMON_T_MAX_ALARM even though these are not
+ * defined for all PHYs, because the hwmon code checks whether the attributes
+ * exists via the .is_visible method
+ */
+static u32 marvell_hwmon_temp_config[] = {
+ HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_MAX_ALARM,
+ 0
+};
+
+static const struct hwmon_channel_info marvell_hwmon_temp = {
.type = hwmon_temp,
- .config = m88e6390_hwmon_temp_config,
+ .config = marvell_hwmon_temp_config,
};
-static const struct hwmon_channel_info *m88e6390_hwmon_info[] = {
- &m88e1121_hwmon_chip,
- &m88e6390_hwmon_temp,
+static const struct hwmon_channel_info *marvell_hwmon_info[] = {
+ &marvell_hwmon_chip,
+ &marvell_hwmon_temp,
NULL
};
-static const struct hwmon_ops m88e6390_hwmon_hwmon_ops = {
- .is_visible = m88e6390_hwmon_is_visible,
- .read = m88e6390_hwmon_read,
+static const struct hwmon_ops marvell_hwmon_hwmon_ops = {
+ .is_visible = marvell_hwmon_is_visible,
+ .read = marvell_hwmon_read,
+ .write = marvell_hwmon_write,
};
-static const struct hwmon_chip_info m88e6390_hwmon_chip_info = {
- .ops = &m88e6390_hwmon_hwmon_ops,
- .info = m88e6390_hwmon_info,
+static const struct hwmon_chip_info marvell_hwmon_chip_info = {
+ .ops = &marvell_hwmon_hwmon_ops,
+ .info = marvell_hwmon_info,
};
static int marvell_hwmon_name(struct phy_device *phydev)
@@ -2613,49 +2520,48 @@ static int marvell_hwmon_name(struct phy_device *phydev)
return 0;
}
-static int marvell_hwmon_probe(struct phy_device *phydev,
- const struct hwmon_chip_info *chip)
+static int marvell_hwmon_probe(struct phy_device *phydev)
{
+ const struct marvell_hwmon_ops *ops = to_marvell_hwmon_ops(phydev);
struct marvell_priv *priv = phydev->priv;
struct device *dev = &phydev->mdio.dev;
int err;
+ if (!ops)
+ return 0;
+
err = marvell_hwmon_name(phydev);
if (err)
return err;
priv->hwmon_dev = devm_hwmon_device_register_with_info(
- dev, priv->hwmon_name, phydev, chip, NULL);
+ dev, priv->hwmon_name, phydev, &marvell_hwmon_chip_info, NULL);
return PTR_ERR_OR_ZERO(priv->hwmon_dev);
}
-static int m88e1121_hwmon_probe(struct phy_device *phydev)
-{
- return marvell_hwmon_probe(phydev, &m88e1121_hwmon_chip_info);
-}
+static const struct marvell_hwmon_ops m88e1121_hwmon_ops = {
+ .get_temp = m88e1121_get_temp,
+};
-static int m88e1510_hwmon_probe(struct phy_device *phydev)
-{
- return marvell_hwmon_probe(phydev, &m88e1510_hwmon_chip_info);
-}
+static const struct marvell_hwmon_ops m88e1510_hwmon_ops = {
+ .get_temp = m88e1510_get_temp,
+ .get_temp_critical = m88e1510_get_temp_critical,
+ .set_temp_critical = m88e1510_set_temp_critical,
+ .get_temp_alarm = m88e1510_get_temp_alarm,
+};
+
+static const struct marvell_hwmon_ops m88e6390_hwmon_ops = {
+ .get_temp = m88e6390_get_temp,
+};
+
+#define DEF_MARVELL_HWMON_OPS(s) (&(s))
-static int m88e6390_hwmon_probe(struct phy_device *phydev)
-{
- return marvell_hwmon_probe(phydev, &m88e6390_hwmon_chip_info);
-}
#else
-static int m88e1121_hwmon_probe(struct phy_device *phydev)
-{
- return 0;
-}
-static int m88e1510_hwmon_probe(struct phy_device *phydev)
-{
- return 0;
-}
+#define DEF_MARVELL_HWMON_OPS(s) NULL
-static int m88e6390_hwmon_probe(struct phy_device *phydev)
+static int marvell_hwmon_probe(struct phy_device *phydev)
{
return 0;
}
@@ -2671,40 +2577,7 @@ static int marvell_probe(struct phy_device *phydev)
phydev->priv = priv;
- return 0;
-}
-
-static int m88e1121_probe(struct phy_device *phydev)
-{
- int err;
-
- err = marvell_probe(phydev);
- if (err)
- return err;
-
- return m88e1121_hwmon_probe(phydev);
-}
-
-static int m88e1510_probe(struct phy_device *phydev)
-{
- int err;
-
- err = marvell_probe(phydev);
- if (err)
- return err;
-
- return m88e1510_hwmon_probe(phydev);
-}
-
-static int m88e6390_probe(struct phy_device *phydev)
-{
- int err;
-
- err = marvell_probe(phydev);
- if (err)
- return err;
-
- return m88e6390_hwmon_probe(phydev);
+ return marvell_hwmon_probe(phydev);
}
static struct phy_driver marvell_drivers[] = {
@@ -2810,8 +2683,9 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E1121R,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1121R",
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e1121_hwmon_ops),
/* PHY_GBIT_FEATURES */
- .probe = m88e1121_probe,
+ .probe = marvell_probe,
.config_init = marvell_config_init,
.config_aneg = m88e1121_config_aneg,
.read_status = marvell_read_status,
@@ -2927,9 +2801,10 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E1510,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1510",
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
.features = PHY_GBIT_FIBRE_FEATURES,
.flags = PHY_POLL_CABLE_TEST,
- .probe = m88e1510_probe,
+ .probe = marvell_probe,
.config_init = m88e1510_config_init,
.config_aneg = m88e1510_config_aneg,
.read_status = marvell_read_status,
@@ -2955,9 +2830,10 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E1540,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1540",
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
/* PHY_GBIT_FEATURES */
.flags = PHY_POLL_CABLE_TEST,
- .probe = m88e1510_probe,
+ .probe = marvell_probe,
.config_init = marvell_config_init,
.config_aneg = m88e1510_config_aneg,
.read_status = marvell_read_status,
@@ -2980,7 +2856,8 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E1545,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1545",
- .probe = m88e1510_probe,
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
+ .probe = marvell_probe,
/* PHY_GBIT_FEATURES */
.flags = PHY_POLL_CABLE_TEST,
.config_init = marvell_config_init,
@@ -3024,9 +2901,10 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E6341_FAMILY,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E6341 Family",
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
/* PHY_GBIT_FEATURES */
.flags = PHY_POLL_CABLE_TEST,
- .probe = m88e1510_probe,
+ .probe = marvell_probe,
.config_init = marvell_config_init,
.config_aneg = m88e6390_config_aneg,
.read_status = marvell_read_status,
@@ -3049,9 +2927,10 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E6390_FAMILY,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E6390 Family",
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e6390_hwmon_ops),
/* PHY_GBIT_FEATURES */
.flags = PHY_POLL_CABLE_TEST,
- .probe = m88e6390_probe,
+ .probe = marvell_probe,
.config_init = marvell_config_init,
.config_aneg = m88e6390_config_aneg,
.read_status = marvell_read_status,
@@ -3074,7 +2953,8 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E1340S,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1340S",
- .probe = m88e1510_probe,
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
+ .probe = marvell_probe,
/* PHY_GBIT_FEATURES */
.config_init = marvell_config_init,
.config_aneg = m88e1510_config_aneg,
@@ -3095,7 +2975,8 @@ static struct phy_driver marvell_drivers[] = {
.phy_id = MARVELL_PHY_ID_88E1548P,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1548P",
- .probe = m88e1510_probe,
+ .driver_data = DEF_MARVELL_HWMON_OPS(m88e1510_hwmon_ops),
+ .probe = marvell_probe,
.features = PHY_GBIT_FIBRE_FEATURES,
.config_init = marvell_config_init,
.config_aneg = m88e1510_config_aneg,
--
2.26.3
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