Hello Thomas,
Am Freitag, 2. M?rz 2018, 20:05:25 CET schrieb Thomas Avery:
> This patch adds error checking to the nvec_power_poll function, which
> will allow for easier debugging if the driver has issues.
>
> Signed-off-by: Thomas Avery <tavery321@xxxxxxxxx>
> ---
> drivers/staging/nvec/nvec_power.c | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
I dont think it makes sense to return an error from a worker. In the future,
please also CC staging mailing list (devel@xxxxxxxxxxxxxxxxxxxx).
Marc
> diff --git a/drivers/staging/nvec/nvec_power.c
> b/drivers/staging/nvec/nvec_power.c index 0e861c4bfcbf..c61e69f606c3 100644
> --- a/drivers/staging/nvec/nvec_power.c
> +++ b/drivers/staging/nvec/nvec_power.c
> @@ -345,8 +345,9 @@ static int const bat_iter[] = {
> #endif
> };
>
> -static void nvec_power_poll(struct work_struct *work)
> +static int nvec_power_poll(struct work_struct *work)
> {
> + int err;
> char buf[] = { NVEC_SYS, GET_SYSTEM_STATUS };
> struct nvec_power *power = container_of(work, struct nvec_power,
> poller.work);
> @@ -355,7 +356,10 @@ static void nvec_power_poll(struct work_struct *work)
> counter = 0;
>
> /* AC status via sys req */
> - nvec_write_async(power->nvec, buf, 2);
> + err = nvec_write_async(power->nvec, buf, 2);
> + if (err != 0)
> + return err;
> +
> msleep(100);
>
> /*
> @@ -364,9 +368,12 @@ static void nvec_power_poll(struct work_struct *work)
> */
> buf[0] = NVEC_BAT;
> buf[1] = bat_iter[counter++];
> - nvec_write_async(power->nvec, buf, 2);
> + err = nvec_write_async(power->nvec, buf, 2);
> + if (err != 0)
> + return err;
>
> schedule_delayed_work(to_delayed_work(work), msecs_to_jiffies(5000));
> + return 0;
> };
>
> static int nvec_power_probe(struct platform_device *pdev)
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