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-rw-r--r--drivers/hwmon/pmbus/pmbus.h1
-rw-r--r--drivers/hwmon/pmbus/pmbus_core.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index 164d1770648..fa9beb3eb60 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -369,6 +369,7 @@ struct pmbus_driver_info {
/* Function declarations */
+void pmbus_clear_cache(struct i2c_client *client);
int pmbus_set_page(struct i2c_client *client, u8 page);
int pmbus_read_word_data(struct i2c_client *client, u8 page, u8 reg);
int pmbus_write_word_data(struct i2c_client *client, u8 page, u8 reg, u16 word);
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 3b5c24dd0b7..32f4530cd1e 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -113,6 +113,14 @@ struct pmbus_data {
u8 currpage;
};
+void pmbus_clear_cache(struct i2c_client *client)
+{
+ struct pmbus_data *data = i2c_get_clientdata(client);
+
+ data->valid = false;
+}
+EXPORT_SYMBOL_GPL(pmbus_clear_cache);
+
int pmbus_set_page(struct i2c_client *client, u8 page)
{
struct pmbus_data *data = i2c_get_clientdata(client);