[PATCH 3/3] hwmon: (pmbus/core): Notify regulator events

From: Naresh Solanki
Date: Tue Mar 28 2023 - 08:17:29 EST


Notify regulator events in PMBus irq handler.

Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx>
---
drivers/hwmon/pmbus/pmbus_core.c | 24 +++++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 18a3f3b1ec07..6475b2fe489f 100644
--- 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);

--
2.39.1