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hwmon: (raspberrypi) Fix initial notify

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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: 74d1e00791 ("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>
This commit is contained in:
Stefan Wahren 2018-11-11 13:01:11 +01:00 committed by Guenter Roeck
parent 70df9ebbd8
commit 35fdc39021
1 changed files with 0 additions and 6 deletions
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6
drivers/hwmon/raspberrypi-hwmon.c
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@ -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,