Re: [PATCH 2/3] hwmon: (ibmpowernv): Add support to read 64 bit sensors

From: Guenter Roeck
Date: Wed May 09 2018 - 13:29:47 EST


On Mon, May 07, 2018 at 03:55:37PM +0530, Shilpasri G Bhat wrote:
> The firmware has supported for reading sensor values of size u32.
> This patch adds support to use newer firmware functions which allows
> to read the sensors of size u64.
>
> Signed-off-by: Shilpasri G Bhat <shilpa.bhat@xxxxxxxxxxxxxxxxxx>

Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx>

I won't apply for the time being since it depends on patch 1/3 which is
outside hwmon.

> ---
> drivers/hwmon/ibmpowernv.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c
> index 5ccdd0b..74d9b5a 100644
> --- a/drivers/hwmon/ibmpowernv.c
> +++ b/drivers/hwmon/ibmpowernv.c
> @@ -101,9 +101,10 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *devattr,
> struct sensor_data *sdata = container_of(devattr, struct sensor_data,
> dev_attr);
> ssize_t ret;
> - u32 x;
> + u64 x;
> +
> + ret = opal_get_sensor_data_u64(sdata->id, &x);
>
> - ret = opal_get_sensor_data(sdata->id, &x);
> if (ret)
> return ret;
>
> @@ -114,7 +115,7 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *devattr,
> else if (sdata->type == POWER_INPUT)
> x *= 1000000;
>
> - return sprintf(buf, "%u\n", x);
> + return sprintf(buf, "%llu\n", x);
> }
>
> static ssize_t show_label(struct device *dev, struct device_attribute *devattr,
> --
> 1.8.3.1
>
> --
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