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hwmon: pmbus: ucd9000: Use generic code

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Use generic pmbus bus write access delay.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Message-ID: <20240902075319.585656-3-patrick.rudolph@9elements.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Patrick Rudolph
2024-09-02 09:53:14 +02:00
committed by Guenter Roeck
parent d83219e9fc
commit 106cfea5fa
1 changed files with 2 additions and 62 deletions
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drivers/hwmon/pmbus/ucd9000.c
+2 -62
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@@ -67,7 +67,6 @@ struct ucd9000_data {
struct gpio_chip gpio;
#endif
struct dentry *debugfs;
ktime_t write_time;
};
#define to_ucd9000_data(_info) container_of(_info, struct ucd9000_data, info)
@@ -86,63 +85,6 @@ struct ucd9000_debugfs_entry {
*/
#define UCD90320_WAIT_DELAY_US 500
static inline void ucd90320_wait(const struct ucd9000_data *data)
{
s64 delta = ktime_us_delta(ktime_get(), data->write_time);
if (delta < UCD90320_WAIT_DELAY_US)
udelay(UCD90320_WAIT_DELAY_US - delta);
}
static int ucd90320_read_word_data(struct i2c_client *client, int page,
int phase, int reg)
{
const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
struct ucd9000_data *data = to_ucd9000_data(info);
if (reg >= PMBUS_VIRT_BASE)
return -ENXIO;
ucd90320_wait(data);
return pmbus_read_word_data(client, page, phase, reg);
}
static int ucd90320_read_byte_data(struct i2c_client *client, int page, int reg)
{
const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
struct ucd9000_data *data = to_ucd9000_data(info);
ucd90320_wait(data);
return pmbus_read_byte_data(client, page, reg);
}
static int ucd90320_write_word_data(struct i2c_client *client, int page,
int reg, u16 word)
{
const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
struct ucd9000_data *data = to_ucd9000_data(info);
int ret;
ucd90320_wait(data);
ret = pmbus_write_word_data(client, page, reg, word);
data->write_time = ktime_get();
return ret;
}
static int ucd90320_write_byte(struct i2c_client *client, int page, u8 value)
{
const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
struct ucd9000_data *data = to_ucd9000_data(info);
int ret;
ucd90320_wait(data);
ret = pmbus_write_byte(client, page, value);
data->write_time = ktime_get();
return ret;
}
static int ucd9000_get_fan_config(struct i2c_client *client, int fan)
{
int fan_config = 0;
@@ -667,10 +609,8 @@ static int ucd9000_probe(struct i2c_client *client)
info->func[0] |= PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12
| PMBUS_HAVE_FAN34 | PMBUS_HAVE_STATUS_FAN34;
} else if (mid->driver_data == ucd90320) {
info->read_byte_data = ucd90320_read_byte_data;
info->read_word_data = ucd90320_read_word_data;
info->write_byte = ucd90320_write_byte;
info->write_word_data = ucd90320_write_word_data;
/* Delay SMBus operations after a write */
info->write_delay = UCD90320_WAIT_DELAY_US;
}
ucd9000_probe_gpio(client, mid, data);