diff options
Diffstat (limited to 'drivers/hwmon/ltc2991.c')
-rw-r--r-- | drivers/hwmon/ltc2991.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/hwmon/ltc2991.c b/drivers/hwmon/ltc2991.c index 80a6e391f266..6d5d4cb846da 100644 --- a/drivers/hwmon/ltc2991.c +++ b/drivers/hwmon/ltc2991.c @@ -42,9 +42,9 @@ #define LTC2991_V7_V8_FILT_EN BIT(7) #define LTC2991_V7_V8_TEMP_EN BIT(5) #define LTC2991_V7_V8_DIFF_EN BIT(4) -#define LTC2991_V5_V6_FILT_EN BIT(7) -#define LTC2991_V5_V6_TEMP_EN BIT(5) -#define LTC2991_V5_V6_DIFF_EN BIT(4) +#define LTC2991_V5_V6_FILT_EN BIT(3) +#define LTC2991_V5_V6_TEMP_EN BIT(1) +#define LTC2991_V5_V6_DIFF_EN BIT(0) #define LTC2991_REPEAT_ACQ_EN BIT(4) #define LTC2991_T_INT_FILT_EN BIT(3) @@ -125,7 +125,7 @@ static int ltc2991_get_curr(struct ltc2991_state *st, u32 reg, int channel, /* Vx-Vy, 19.075uV/LSB */ *val = DIV_ROUND_CLOSEST(sign_extend32(reg_val, 14) * 19075, - st->r_sense_uohm[channel]); + (s32)st->r_sense_uohm[channel]); return 0; } @@ -225,8 +225,8 @@ static umode_t ltc2991_is_visible(const void *data, case hwmon_temp: switch (attr) { case hwmon_temp_input: - if (st->temp_en[channel] || - channel == LTC2991_T_INT_CH_NR) + if (channel == LTC2991_T_INT_CH_NR || + st->temp_en[channel]) return 0444; break; } @@ -284,7 +284,6 @@ static const struct regmap_config ltc2991_regmap_config = { static int ltc2991_init(struct ltc2991_state *st, struct device *dev) { - struct fwnode_handle *child; int ret; u32 val, addr; u8 v5_v8_reg_data = 0, v1_v4_reg_data = 0; @@ -294,17 +293,13 @@ static int ltc2991_init(struct ltc2991_state *st, struct device *dev) return dev_err_probe(dev, ret, "failed to enable regulator\n"); - device_for_each_child_node(dev, child) { + device_for_each_child_node_scoped(dev, child) { ret = fwnode_property_read_u32(child, "reg", &addr); - if (ret < 0) { - fwnode_handle_put(child); + if (ret < 0) return ret; - } - if (addr > 3) { - fwnode_handle_put(child); + if (addr > 3) return -EINVAL; - } ret = fwnode_property_read_u32(child, "shunt-resistor-micro-ohms", @@ -414,7 +409,7 @@ static const struct of_device_id ltc2991_of_match[] = { MODULE_DEVICE_TABLE(of, ltc2991_of_match); static const struct i2c_device_id ltc2991_i2c_id[] = { - { "ltc2991", 0 }, + { "ltc2991" }, {} }; MODULE_DEVICE_TABLE(i2c, ltc2991_i2c_id); |