hwmon: pmbus: max15301: Use generic code

Use the generic pmbus bus access delay.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Message-ID: <20240902075319.585656-2-patrick.rudolph@9elements.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/pmbus/max15301.c b/drivers/hwmon/pmbus/max15301.c
index 986404fe6a31c20cb8cc7f761ed40e39bb9f051b..f5367a7bc0f519c17f92bd20c7fc75c88a04512a 100644 (file)
--- a/drivers/hwmon/pmbus/max15301.c
+++ b/drivers/hwmon/pmbus/max15301.c
@@ -31,8 +31,6 @@ MODULE_DEVICE_TABLE(i2c, max15301_id);
 
 struct max15301_data {
        int id;
-       ktime_t access;         /* Chip access time */
-       int delay;              /* Delay between chip accesses in us */
        struct pmbus_driver_info info;
 };
 
@@ -55,89 +53,6 @@ static struct max15301_data max15301_data = {
        }
 };
 
-/* This chip needs a delay between accesses */
-static inline void max15301_wait(const struct max15301_data *data)
-{
-       if (data->delay) {
-               s64 delta = ktime_us_delta(ktime_get(), data->access);
-
-               if (delta < data->delay)
-                       udelay(data->delay - delta);
-       }
-}
-
-static int max15301_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 max15301_data *data = to_max15301_data(info);
-       int ret;
-
-       if (page > 0)
-               return -ENXIO;
-
-       if (reg >= PMBUS_VIRT_BASE)
-               return -ENXIO;
-
-       max15301_wait(data);
-       ret = pmbus_read_word_data(client, page, phase, reg);
-       data->access = ktime_get();
-
-       return ret;
-}
-
-static int max15301_read_byte_data(struct i2c_client *client, int page, int reg)
-{
-       const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
-       struct max15301_data *data = to_max15301_data(info);
-       int ret;
-
-       if (page > 0)
-               return -ENXIO;
-
-       max15301_wait(data);
-       ret = pmbus_read_byte_data(client, page, reg);
-       data->access = ktime_get();
-
-       return ret;
-}
-
-static int max15301_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 max15301_data *data = to_max15301_data(info);
-       int ret;
-
-       if (page > 0)
-               return -ENXIO;
-
-       if (reg >= PMBUS_VIRT_BASE)
-               return -ENXIO;
-
-       max15301_wait(data);
-       ret = pmbus_write_word_data(client, page, reg, word);
-       data->access = ktime_get();
-
-       return ret;
-}
-
-static int max15301_write_byte(struct i2c_client *client, int page, u8 value)
-{
-       const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
-       struct max15301_data *data = to_max15301_data(info);
-       int ret;
-
-       if (page > 0)
-               return -ENXIO;
-
-       max15301_wait(data);
-       ret = pmbus_write_byte(client, page, value);
-       data->access = ktime_get();
-
-       return ret;
-}
-
 static int max15301_probe(struct i2c_client *client)
 {
        int status;
@@ -164,12 +79,7 @@ static int max15301_probe(struct i2c_client *client)
                return -ENODEV;
        }
 
-       max15301_data.delay = delay;
-
-       info->read_byte_data = max15301_read_byte_data;
-       info->read_word_data = max15301_read_word_data;
-       info->write_byte = max15301_write_byte;
-       info->write_word_data = max15301_write_word_data;
+       info->access_delay = delay;
 
        return pmbus_do_probe(client, info);
 }