On Sat, 2014-04-12 at 18:28 +0100, Jonathan Cameron wrote: > On 09/04/14 19:09, Joel Porquet wrote: > > As suggested by checkpatch.pl, use dev_info() instead of > > printk(KERN_INFO ...) to print message. > > > > Signed-off-by: Joel Porquet <joel@xxxxxxxxxxx> > > --- > > Only tested by compilation. > > drivers/staging/iio/trigger/iio-trig-periodic-rtc.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c > > index 48a6afa..38ecb4b 100644 > > --- a/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c > > +++ b/drivers/staging/iio/trigger/iio-trig-periodic-rtc.c > > @@ -33,7 +33,8 @@ static int iio_trig_periodic_rtc_set_state(struct iio_trigger *trig, bool state) > > struct iio_prtc_trigger_info *trig_info = iio_trigger_get_drvdata(trig); > > if (trig_info->frequency == 0) > > return -EINVAL; > > - printk(KERN_INFO "trigger frequency is %d\n", trig_info->frequency); > > + dev_info(&trig_info->rtc->dev, "trigger frequency is %d\n", > > + trig_info->frequency); > The principle is good, but why make the error message us the underlying rtc device? > Going to lead to a rather unhelpful error message. > > Perhaps the iio_trigger structures device element would make more sense? > Might not be terribly informative, but will at least come from the right > subsystem. > > Also, I think we will be dropping this driver entirely at some point. > It was a dodgy hack that perhaps made sense at the time, but now a high > resolution timer is going to give better results. I've been using this patch from Denis Ciocca which implements a hr-timer trigger, and it has worked well for me: http://comments.gmane.org/gmane.linux.kernel.iio/9698 It would be great to see this added to the kernel. > > return rtc_irq_set_state(trig_info->rtc, &trig_info->task, state); > > } > > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
