On Mon, Oct 21, 2019 at 05:59:22PM -0700, Nicolin Chen wrote:
> After introducing "samples" to the calculation of wait time, the
> driver might timeout at the regmap_field_read_poll_timeout call,
> because the wait time could be longer than the 100000 usec limit
> due to a large "samples" number.
>
> So this patch sets the timeout limit to 2 times of the wait time
> in order to fix this issue.
>
> Fixes: 5c090abf945b ("hwmon: (ina3221) Add averaging mode support")
> Signed-off-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
Applied.
Thanks,
Guenter
> ---
> drivers/hwmon/ina3221.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/ina3221.c b/drivers/hwmon/ina3221.c
> index ef37479991be..f335d0cb0c77 100644
> --- a/drivers/hwmon/ina3221.c
> +++ b/drivers/hwmon/ina3221.c
> @@ -213,7 +213,7 @@ static inline int ina3221_wait_for_data(struct ina3221_data *ina)
>
> /* Polling the CVRF bit to make sure read data is ready */
> return regmap_field_read_poll_timeout(ina->fields[F_CVRF],
> - cvrf, cvrf, wait, 100000);
> + cvrf, cvrf, wait, wait * 2);
> }
>
> static int ina3221_read_value(struct ina3221_data *ina, unsigned int reg,
