hwmon: (raspberrypi) Fix initial notify

In case an under-voltage happens before probing the driver wont
write the critical warning into the kernel log. So don't init
of last_throttled during probe and fix this issue.

Fixes: 74d1e007915f ("hwmon: Add support for RPi voltage sensor")
Reported-by: "Noralf Trønnes" <noralf@tronnes.org>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/hwmon/raspberrypi-hwmon.c b/drivers/hwmon/raspberrypi-hwmon.c
index be5ba4690895..0d0457245e7d 100644
--- a/drivers/hwmon/raspberrypi-hwmon.c
+++ b/drivers/hwmon/raspberrypi-hwmon.c
@@ -115,7 +115,6 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
 {
         struct device *dev = &pdev->dev;
         struct rpi_hwmon_data *data;
-        int ret;
 
         data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
         if (!data)
@@ -124,11 +123,6 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
         /* Parent driver assure that firmware is correct */
         data->fw = dev_get_drvdata(dev->parent);
 
-        /* Init throttled */
-        ret = rpi_firmware_property(data->fw, RPI_FIRMWARE_GET_THROTTLED,
-                                    &data->last_throttled,
-                                    sizeof(data->last_throttled));
-
         data->hwmon_dev = devm_hwmon_device_register_with_info(dev, "rpi_volt",
                                                                data,
                                                                &rpi_chip_info,