diff options
Diffstat (limited to 'drivers/net/pse-pd/pd692x0.c')
-rw-r--r-- | drivers/net/pse-pd/pd692x0.c | 45 |
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 |