[PATCH v5 4/8] iio: light: stk3310: simplify and inline STK3310_REGFIELD macro
Aren Moynihan
aren at peacevolution.org
Sat Feb 8 13:13:22 PST 2025
This macro has a conditional return statement, which obfuscates control
flow. Inlining makes the control flow more clear.
This also switches to using dev_err_probe for error reporting, which is
a shorter way of expressing the same logic as before.
Signed-off-by: Aren Moynihan <aren at peacevolution.org>
---
Notes:
Added in v5
drivers/iio/light/stk3310.c | 58 +++++++++++++++++++++++++------------
1 file changed, 39 insertions(+), 19 deletions(-)
diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index 9c38ff01fdf0f..2e883e24dc4b2 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -59,17 +59,6 @@
"0.023680 0.047360 0.094720 0.189440 0.378880 0.757760 1.515520 " \
"3.031040 6.062080"
-#define STK3310_REGFIELD(name) \
- do { \
- data->reg_##name = \
- devm_regmap_field_alloc(&client->dev, regmap, \
- stk3310_reg_field_##name); \
- if (IS_ERR(data->reg_##name)) { \
- dev_err(&client->dev, "reg field alloc failed.\n"); \
- return PTR_ERR(data->reg_##name); \
- } \
- } while (0)
-
static const struct reg_field stk3310_reg_field_state =
REG_FIELD(STK3310_REG_STATE, 0, 2);
static const struct reg_field stk3310_reg_field_als_gain =
@@ -568,14 +557,45 @@ static int stk3310_regmap_init(struct stk3310_data *data)
}
data->regmap = regmap;
- STK3310_REGFIELD(state);
- STK3310_REGFIELD(als_gain);
- STK3310_REGFIELD(ps_gain);
- STK3310_REGFIELD(als_it);
- STK3310_REGFIELD(ps_it);
- STK3310_REGFIELD(int_ps);
- STK3310_REGFIELD(flag_psint);
- STK3310_REGFIELD(flag_nf);
+ data->reg_state = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_state);
+ if (IS_ERR(data->reg_state))
+ return dev_err_probe(dev, PTR_ERR(data->reg_state),
+ "reg_state alloc failed\n");
+
+ data->reg_als_gain = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_als_gain);
+ if (IS_ERR(data->reg_als_gain))
+ return dev_err_probe(dev, PTR_ERR(data->reg_als_gain),
+ "reg_als_gain alloc failed\n");
+
+ data->reg_ps_gain = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_ps_gain);
+ if (IS_ERR(data->reg_ps_gain))
+ return dev_err_probe(dev, PTR_ERR(data->reg_ps_gain),
+ "reg_ps_gain alloc failed\n");
+
+ data->reg_als_it = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_als_it);
+ if (IS_ERR(data->reg_als_it))
+ return dev_err_probe(dev, PTR_ERR(data->reg_als_it),
+ "reg_als_it alloc failed\n");
+
+ data->reg_ps_it = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_ps_it);
+ if (IS_ERR(data->reg_ps_it))
+ return dev_err_probe(dev, PTR_ERR(data->reg_ps_it),
+ "reg_ps_it alloc failed\n");
+
+ data->reg_int_ps = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_int_ps);
+ if (IS_ERR(data->reg_int_ps))
+ return dev_err_probe(dev, PTR_ERR(data->reg_int_ps),
+ "reg_int_ps alloc failed\n");
+
+ data->reg_flag_psint = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_flag_psint);
+ if (IS_ERR(data->reg_flag_psint))
+ return dev_err_probe(dev, PTR_ERR(data->reg_flag_psint),
+ "reg_flag_psint alloc failed\n");
+
+ data->reg_flag_nf = devm_regmap_field_alloc(dev, regmap, stk3310_reg_field_flag_nf);
+ if (IS_ERR(data->reg_flag_nf))
+ return dev_err_probe(dev, PTR_ERR(data->reg_flag_nf),
+ "reg_flag_nf alloc failed\n");
return 0;
}
--
2.48.1
More information about the linux-arm-kernel
mailing list