summaryrefslogtreecommitdiff
path: root/drivers/net/pse-pd/pd692x0.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/pse-pd/pd692x0.c')
-rw-r--r--drivers/net/pse-pd/pd692x0.c45
1 files changed, 10 insertions, 35 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