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-rw-r--r--drivers/net/pse-pd/pd692x0.c45
-rw-r--r--drivers/net/pse-pd/pse_core.c91
-rw-r--r--include/linux/pse-pd/pse.h16
3 files changed, 57 insertions, 95 deletions
diff --git a/drivers/net/pse-pd/pd692x0.c b/drivers/net/pse-pd/pd692x0.c
index 0af7db80b2f8..9f00538f7e45 100644
--- a/drivers/net/pse-pd/pd692x0.c
+++ b/drivers/net/pse-pd/pd692x0.c
@@ -999,13 +999,12 @@ static int pd692x0_pi_get_voltage(struct pse_controller_dev *pcdev, int id)
return (buf.sub[0] << 8 | buf.sub[1]) * 100000;
}
-static int pd692x0_pi_get_current_limit(struct pse_controller_dev *pcdev,
- int id)
+static int pd692x0_pi_get_pw_limit(struct pse_controller_dev *pcdev,
+ int id)
{
struct pd692x0_priv *priv = to_pd692x0_priv(pcdev);
struct pd692x0_msg msg, buf = {0};
- int mW, uV, uA, ret;
- s64 tmp_64;
+ int ret;
msg = pd692x0_msg_template_list[PD692X0_MSG_GET_PORT_PARAM];
msg.sub[2] = id;
@@ -1013,48 +1012,24 @@ static int pd692x0_pi_get_current_limit(struct pse_controller_dev *pcdev,
if (ret < 0)
return ret;
- ret = pd692x0_pi_get_pw_from_table(buf.data[2], buf.data[3]);
- if (ret < 0)
- return ret;
- mW = ret;
-
- ret = pd692x0_pi_get_voltage(pcdev, id);
- if (ret < 0)
- return ret;
- uV = ret;
-
- tmp_64 = mW;
- tmp_64 *= 1000000000ull;
- /* uA = mW * 1000000000 / uV */
- uA = DIV_ROUND_CLOSEST_ULL(tmp_64, uV);
- return uA;
+ return pd692x0_pi_get_pw_from_table(buf.data[2], buf.data[3]);
}
-static int pd692x0_pi_set_current_limit(struct pse_controller_dev *pcdev,
- int id, int max_uA)
+static int pd692x0_pi_set_pw_limit(struct pse_controller_dev *pcdev,
+ int id, int max_mW)
{
struct pd692x0_priv *priv = to_pd692x0_priv(pcdev);
struct device *dev = &priv->client->dev;
struct pd692x0_msg msg, buf = {0};
- int uV, ret, mW;
- s64 tmp_64;
+ int ret;
ret = pd692x0_fw_unavailable(priv);
if (ret)
return ret;
- ret = pd692x0_pi_get_voltage(pcdev, id);
- if (ret < 0)
- return ret;
- uV = ret;
-
msg = pd692x0_msg_template_list[PD692X0_MSG_SET_PORT_PARAM];
msg.sub[2] = id;
- tmp_64 = uV;
- tmp_64 *= max_uA;
- /* mW = uV * uA / 1000000000 */
- mW = DIV_ROUND_CLOSEST_ULL(tmp_64, 1000000000);
- ret = pd692x0_pi_set_pw_from_table(dev, &msg, mW);
+ ret = pd692x0_pi_set_pw_from_table(dev, &msg, max_mW);
if (ret)
return ret;
@@ -1068,8 +1043,8 @@ static const struct pse_controller_ops pd692x0_ops = {
.pi_disable = pd692x0_pi_disable,
.pi_is_enabled = pd692x0_pi_is_enabled,
.pi_get_voltage = pd692x0_pi_get_voltage,
- .pi_get_current_limit = pd692x0_pi_get_current_limit,
- .pi_set_current_limit = pd692x0_pi_set_current_limit,
+ .pi_get_pw_limit = pd692x0_pi_get_pw_limit,
+ .pi_set_pw_limit = pd692x0_pi_set_pw_limit,
};
#define PD692X0_FW_LINE_MAX_SZ 0xff
diff --git a/drivers/net/pse-pd/pse_core.c b/drivers/net/pse-pd/pse_core.c
index 432b6c2c04f8..ae819bfed1b1 100644
--- a/drivers/net/pse-pd/pse_core.c
+++ b/drivers/net/pse-pd/pse_core.c
@@ -291,33 +291,25 @@ static int pse_pi_get_voltage(struct regulator_dev *rdev)
return ret;
}
-static int _pse_ethtool_get_status(struct pse_controller_dev *pcdev,
- int id,
- struct netlink_ext_ack *extack,
- struct pse_control_status *status);
-
static int pse_pi_get_current_limit(struct regulator_dev *rdev)
{
struct pse_controller_dev *pcdev = rdev_get_drvdata(rdev);
const struct pse_controller_ops *ops;
- struct netlink_ext_ack extack = {};
- struct pse_control_status st = {};
- int id, uV, ret;
+ int id, uV, mW, ret;
s64 tmp_64;
ops = pcdev->ops;
id = rdev_get_id(rdev);
+ if (!ops->pi_get_pw_limit || !ops->pi_get_voltage)
+ return -EOPNOTSUPP;
+
mutex_lock(&pcdev->lock);
- if (ops->pi_get_current_limit) {
- ret = ops->pi_get_current_limit(pcdev, id);
+ ret = ops->pi_get_pw_limit(pcdev, id);
+ if (ret < 0)
goto out;
- }
+ mW = ret;
- /* If pi_get_current_limit() callback not populated get voltage
- * from pi_get_voltage() and power limit from ethtool_get_status()
- * to calculate current limit.
- */
- ret = _pse_pi_get_voltage(rdev);
+ ret = pse_pi_get_voltage(rdev);
if (!ret) {
dev_err(pcdev->dev, "Voltage null\n");
ret = -ERANGE;
@@ -327,16 +319,7 @@ static int pse_pi_get_current_limit(struct regulator_dev *rdev)
goto out;
uV = ret;
- ret = _pse_ethtool_get_status(pcdev, id, &extack, &st);
- if (ret)
- goto out;
-
- if (!st.c33_avail_pw_limit) {
- ret = -ENODATA;
- goto out;
- }
-
- tmp_64 = st.c33_avail_pw_limit;
+ tmp_64 = mW;
tmp_64 *= 1000000000ull;
/* uA = mW * 1000000000 / uV */
ret = DIV_ROUND_CLOSEST_ULL(tmp_64, uV);
@@ -351,10 +334,11 @@ static int pse_pi_set_current_limit(struct regulator_dev *rdev, int min_uA,
{
struct pse_controller_dev *pcdev = rdev_get_drvdata(rdev);
const struct pse_controller_ops *ops;
- int id, ret;
+ int id, mW, ret;
+ s64 tmp_64;
ops = pcdev->ops;
- if (!ops->pi_set_current_limit)
+ if (!ops->pi_set_pw_limit || !ops->pi_get_voltage)
return -EOPNOTSUPP;
if (max_uA > MAX_PI_CURRENT)
@@ -362,7 +346,21 @@ static int pse_pi_set_current_limit(struct regulator_dev *rdev, int min_uA,
id = rdev_get_id(rdev);
mutex_lock(&pcdev->lock);
- ret = ops->pi_set_current_limit(pcdev, id, max_uA);
+ ret = pse_pi_get_voltage(rdev);
+ if (!ret) {
+ dev_err(pcdev->dev, "Voltage null\n");
+ ret = -ERANGE;
+ goto out;
+ }
+ if (ret < 0)
+ goto out;
+
+ tmp_64 = ret;
+ tmp_64 *= max_uA;
+ /* mW = uA * uV / 1000000000 */
+ mW = DIV_ROUND_CLOSEST_ULL(tmp_64, 1000000000);
+ ret = ops->pi_set_pw_limit(pcdev, id, mW);
+out:
mutex_unlock(&pcdev->lock);
return ret;
@@ -406,7 +404,7 @@ devm_pse_pi_regulator_register(struct pse_controller_dev *pcdev,
rinit_data->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS;
- if (pcdev->ops->pi_set_current_limit)
+ if (pcdev->ops->pi_set_pw_limit)
rinit_data->constraints.valid_ops_mask |=
REGULATOR_CHANGE_CURRENT;
@@ -737,23 +735,6 @@ out:
}
EXPORT_SYMBOL_GPL(of_pse_control_get);
-static int _pse_ethtool_get_status(struct pse_controller_dev *pcdev,
- int id,
- struct netlink_ext_ack *extack,
- struct pse_control_status *status)
-{
- const struct pse_controller_ops *ops;
-
- ops = pcdev->ops;
- if (!ops->ethtool_get_status) {
- NL_SET_ERR_MSG(extack,
- "PSE driver does not support status report");
- return -EOPNOTSUPP;
- }
-
- return ops->ethtool_get_status(pcdev, id, extack, status);
-}
-
/**
* pse_ethtool_get_status - get status of PSE control
* @psec: PSE control pointer
@@ -766,11 +747,21 @@ int pse_ethtool_get_status(struct pse_control *psec,
struct netlink_ext_ack *extack,
struct pse_control_status *status)
{
+ const struct pse_controller_ops *ops;
+ struct pse_controller_dev *pcdev;
int err;
- mutex_lock(&psec->pcdev->lock);
- err = _pse_ethtool_get_status(psec->pcdev, psec->id, extack, status);
- mutex_unlock(&psec->pcdev->lock);
+ pcdev = psec->pcdev;
+ ops = pcdev->ops;
+ if (!ops->ethtool_get_status) {
+ NL_SET_ERR_MSG(extack,
+ "PSE driver does not support status report");
+ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&pcdev->lock);
+ err = ops->ethtool_get_status(pcdev, psec->id, extack, status);
+ mutex_unlock(&pcdev->lock);
return err;
}
diff --git a/include/linux/pse-pd/pse.h b/include/linux/pse-pd/pse.h
index bc5addccbf32..a721651cd1e0 100644
--- a/include/linux/pse-pd/pse.h
+++ b/include/linux/pse-pd/pse.h
@@ -77,12 +77,8 @@ struct pse_control_status {
* @pi_disable: Configure the PSE PI as disabled.
* @pi_get_voltage: Return voltage similarly to get_voltage regulator
* callback.
- * @pi_get_current_limit: Get the configured current limit similarly to
- * get_current_limit regulator callback.
- * @pi_set_current_limit: Configure the current limit similarly to
- * set_current_limit regulator callback.
- * Should not return an error in case of MAX_PI_CURRENT
- * current value set.
+ * @pi_get_pw_limit: Get the configured power limit of the PSE PI.
+ * @pi_set_pw_limit: Configure the power limit of the PSE PI.
*/
struct pse_controller_ops {
int (*ethtool_get_status)(struct pse_controller_dev *pcdev,
@@ -93,10 +89,10 @@ struct pse_controller_ops {
int (*pi_enable)(struct pse_controller_dev *pcdev, int id);
int (*pi_disable)(struct pse_controller_dev *pcdev, int id);
int (*pi_get_voltage)(struct pse_controller_dev *pcdev, int id);
- int (*pi_get_current_limit)(struct pse_controller_dev *pcdev,
- int id);
- int (*pi_set_current_limit)(struct pse_controller_dev *pcdev,
- int id, int max_uA);
+ int (*pi_get_pw_limit)(struct pse_controller_dev *pcdev,
+ int id);
+ int (*pi_set_pw_limit)(struct pse_controller_dev *pcdev,
+ int id, int max_mW);
};
struct module;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-07 21:52:36 +0300