On Tue, Aug 06, 2019 at 02:30:07AM +0000, Amy.Shih@xxxxxxxxxxxxxxxx wrote:
> From: "amy.shih" <amy.shih@xxxxxxxxxxxxxxxx>
>
> Return the -EINVAL(Invalid argument) when writing the values <= 0
> to sysfs node fan[1-*]_min.
>
> Signed-off-by: amy.shih <amy.shih@xxxxxxxxxxxxxxxx>
>
This again fixes a previous patch of the series. Please squash
the entire series (all three patches) together in a single patch.
Thanks,
Guenter
> Changes in v4:
> - Fix the incorrect return value of case hwmon_fan_min in function "nct7904_write_fan".
> Changes in v3:
> - Squashed subsequent fixes of below patches into one patch.
>
> -- Fix bad fallthrough in various switch statements.
> -- Fix the wrong declared of tmp as u8 in nct7904_write_in, declared tmp to int.
> -- Fix incorrect register setting of voltage.
> -- Fix incorrect register bit mapping of temperature alarm.
> -- Fix wrong return code 0x1fff in function nct7904_write_fan.
> -- Delete wrong comment in function nct7904_write_in.
> -- Fix wrong attribute names for temperature.
> -- Fix wrong registers setting for temperature.
>
> Changes in v2:
> - Fix bad fallthrough in various switch statements.
> - Fix the wrong declared of tmp as u8 in nct7904_write_in, declared tmp to int.
> ---
> drivers/hwmon/nct7904.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c
> index d842c10ba11f..6527b56e4f6c 100644
> --- a/drivers/hwmon/nct7904.c
> +++ b/drivers/hwmon/nct7904.c
> @@ -551,7 +551,7 @@ static int nct7904_write_fan(struct device *dev, u32 attr, int channel,
> switch (attr) {
> case hwmon_fan_min:
> if (val <= 0)
> - return 0;
> + return -EINVAL;
>
> val = clamp_val((1350000 + (val >> 1)) / val, 1, 0x1fff);
> tmp = (val >> 5) & 0xff;
> --
> 2.17.1
>
