hwmon: (pmbus/core) Notify regulator events

Notify regulator events in PMBus irq handler.

Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Link: https://lore.kernel.org/r/20230328150335.90238-3-Naresh.Solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 509bc0e..86cc800 100644 (file)
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -3159,11 +3159,29 @@ static int pmbus_regulator_register(struct pmbus_data *data)
 
        return 0;
 }
+
+static int pmbus_regulator_notify(struct pmbus_data *data, int page, int event)
+{
+               int j;
+
+               for (j = 0; j < data->info->num_regulators; j++) {
+                       if (page == rdev_get_id(data->rdevs[j])) {
+                               regulator_notifier_call_chain(data->rdevs[j], event, NULL);
+                               break;
+                       }
+               }
+               return 0;
+}
 #else
 static int pmbus_regulator_register(struct pmbus_data *data)
 {
        return 0;
 }
+
+static int pmbus_regulator_notify(struct pmbus_data *data, int page, int event)
+{
+               return 0;
+}
 #endif
 
 static int pmbus_write_smbalert_mask(struct i2c_client *client, u8 page, u8 reg, u8 val)
@@ -3178,9 +3196,13 @@ static irqreturn_t pmbus_fault_handler(int irq, void *pdata)
 
        int i, status, event;
        mutex_lock(&data->update_lock);
-       for (i = 0; i < data->info->pages; i++)
+       for (i = 0; i < data->info->pages; i++) {
                _pmbus_get_flags(data, i, &status, &event, true);
 
+               if (event)
+                       pmbus_regulator_notify(data, i, event);
+       }
+
        pmbus_clear_faults(client);
        mutex_unlock(&data->update_lock);