On Thu, 2018-07-26 at 11:44 +0000, Ardelean, Alexandru wrote:
> On Mon, 2018-07-23 at 11:18 +0200, Nicholas Mc Guire wrote:
> > wait_for_completion_timeout returns unsigned long not int so an
> > appropriate
> > variable is declared and the assignment and check fixed up.
> >
>
> Patch looks good.
>
> Thanks for this
[ I forgot to add this ]
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
>
> Alex
>
> > Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
> > ---
> >
> > found by experimental coccinelle script
> >
> > As the timeout returned is always << INT_MAX there is no side-effect
> > with
> > the
> > type conversion here, never the less proper types should be used.
> >
> > Patch was compile tested with: x86_64_defconfig + CONFIG_SPI=y,
> > CONFIG_IIO=y,
> > CONFIG_AD7793=y (implies CONFIG_AD_SIGMA_DELTA=y)
> >
> > Patch is against 4.18-rc5 (localversion-next is next-20180720)
> >
> > drivers/iio/adc/ad_sigma_delta.c | 5 +++--
> > 1 file changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/iio/adc/ad_sigma_delta.c
> > b/drivers/iio/adc/ad_sigma_delta.c
> > index cf1b048..fc95107 100644
> > --- a/drivers/iio/adc/ad_sigma_delta.c
> > +++ b/drivers/iio/adc/ad_sigma_delta.c
> > @@ -209,6 +209,7 @@ static int ad_sd_calibrate(struct ad_sigma_delta
> > *sigma_delta,
> > unsigned int mode, unsigned int channel)
> > {
> > int ret;
> > + unsigned long timeout;
> >
> > ret = ad_sigma_delta_set_channel(sigma_delta, channel);
> > if (ret)
> > @@ -224,8 +225,8 @@ static int ad_sd_calibrate(struct ad_sigma_delta
> > *sigma_delta,
> >
> > sigma_delta->irq_dis = false;
> > enable_irq(sigma_delta->spi->irq);
> > - ret = wait_for_completion_timeout(&sigma_delta->completion,
> > 2*HZ);
> > - if (ret == 0) {
> > + timeout = wait_for_completion_timeout(&sigma_delta-
> > >completion,
> > 2 * HZ);
> > + if (timeout == 0) {
> > sigma_delta->irq_dis = true;
> > disable_irq_nosync(sigma_delta->spi->irq);
> > ret =
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