linux-kernel - [PATCH RESEND v6 5/5] hwmon: (pmbus/core): Notify regulator events

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Date:   Wed, 14 Dec 2022 09:07:15 +0100
From:   Naresh Solanki <naresh.solanki@...ements.com>
To:     devicetree@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        Patrick Rudolph <patrick.rudolph@...ements.com>,
        Naresh Solanki <Naresh.Solanki@...ements.com>
Subject: [PATCH RESEND v6 5/5] hwmon: (pmbus/core): Notify regulator events

Notify regulator events in PMBus irq handler.

Signed-off-by: Naresh Solanki <Naresh.Solanki@...ements.com>
---
 drivers/hwmon/pmbus/pmbus_core.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 22176f266891..c8fae2a9502d 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -3154,7 +3154,7 @@ static irqreturn_t pmbus_fault_handler(int irq, void *pdata)
 {
 	struct pmbus_data *data = pdata;
 	struct i2c_client *client = to_i2c_client(data->dev);
-	int i, status, ret, event;
+	int i, j, status, ret, event;
 
 	for (i = 0; i < data->info->pages; i++) {
 
@@ -3163,6 +3163,15 @@ static irqreturn_t pmbus_fault_handler(int irq, void *pdata)
 		if (ret)
 			return ret;
 
+		if (event) {
+			for (j = 0; j < data->info->num_regulators; j++) {
+				if (i == rdev_get_id(data->rdevs[i])) {
+					regulator_notifier_call_chain(data->rdevs[i], event, NULL);
+					ret = IRQ_HANDLED;
+				}
+			}
+		}
+
 		mutex_lock(&data->update_lock);
 		status = pmbus_read_status_word(client, i);
 		if (status < 0) {
-- 
2.37.3