summaryrefslogtreecommitdiff
path: root/drivers/hwmon/ltc2991.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hwmon/ltc2991.c')
-rw-r--r--drivers/hwmon/ltc2991.c25
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);