hwmon: (ltc2947) Move to firmware agnostic API

Use the device property APIs so the driver does not depend on OF to
work.

While at it, properly include mod_devicetable for struct of_device_id
and fix some parameter alignment in the changed places.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240726-dev-hwmon-ltc6947-fw-agnostic-v1-1-f7d6cab7d438@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Nuno Sa 2024-07-26 14:07:33 +02:00 committed by Guenter Roeck
parent 777c97ff08
commit e21d6d4c7a

View File

@ -11,7 +11,8 @@
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/mod_devicetable.h>
#include <linux/property.h>
#include <linux/regmap.h>
#include "ltc2947.h"
@ -1034,9 +1035,8 @@ static int ltc2947_setup(struct ltc2947_data *st)
/* 19.89E-6 * 10E9 */
st->lsb_energy = 19890;
}
ret = of_property_read_u32_array(st->dev->of_node,
"adi,accumulator-ctl-pol", accum,
ARRAY_SIZE(accum));
ret = device_property_read_u32_array(st->dev, "adi,accumulator-ctl-pol",
accum, ARRAY_SIZE(accum));
if (!ret) {
u32 accum_reg = LTC2947_ACCUM_POL_1(accum[0]) |
LTC2947_ACCUM_POL_2(accum[1]);
@ -1045,9 +1045,9 @@ static int ltc2947_setup(struct ltc2947_data *st)
if (ret)
return ret;
}
ret = of_property_read_u32(st->dev->of_node,
"adi,accumulation-deadband-microamp",
&deadband);
ret = device_property_read_u32(st->dev,
"adi,accumulation-deadband-microamp",
&deadband);
if (!ret) {
/* the LSB is the same as the current, so 3mA */
ret = regmap_write(st->map, LTC2947_REG_ACCUM_DEADBAND,
@ -1056,7 +1056,7 @@ static int ltc2947_setup(struct ltc2947_data *st)
return ret;
}
/* check gpio cfg */
ret = of_property_read_u32(st->dev->of_node, "adi,gpio-out-pol", &pol);
ret = device_property_read_u32(st->dev, "adi,gpio-out-pol", &pol);
if (!ret) {
/* setup GPIO as output */
u32 gpio_ctl = LTC2947_GPIO_EN(1) | LTC2947_GPIO_FAN_EN(1) |
@ -1067,8 +1067,8 @@ static int ltc2947_setup(struct ltc2947_data *st)
if (ret)
return ret;
}
ret = of_property_read_u32_array(st->dev->of_node, "adi,gpio-in-accum",
accum, ARRAY_SIZE(accum));
ret = device_property_read_u32_array(st->dev, "adi,gpio-in-accum",
accum, ARRAY_SIZE(accum));
if (!ret) {
/*
* Setup the accum options. The gpioctl is already defined as