Re: [RESEND PATCH] Input: tsc2007 - Read "ti,poll-period" as u32
From: Dmitry Torokhov
Date: Sun Sep 13 2026 - 21:19:05 EST
On Mon, Aug 31, 2026 at 06:18:29PM -0500, Rob Herring wrote:
> On Mon, Aug 31, 2026 at 12:51:44PM -0700, Dmitry Torokhov wrote:
> > Hi Rob,
> >
> > On Mon, Aug 31, 2026 at 02:43:51PM -0500, Rob Herring (Arm) wrote:
> > > The "ti,poll-period" property is documented as a normal uint32 cell.
> > > The driver used a u64 helper, which makes the helper type disagree with
> > > the schema even though the stored value is still small.
> > >
> > > Read "ti,poll-period" with the u32 helper matching the documented DT
> > > cell size.
> > >
> > > Assisted-by: Codex:gpt-5-5
> > > Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
> > > ---
> > > drivers/input/touchscreen/tsc2007_core.c | 5 ++---
> > > 1 file changed, 2 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/input/touchscreen/tsc2007_core.c b/drivers/input/touchscreen/tsc2007_core.c
> > > index e4d7da0f4434..e2f49b37e18c 100644
> > > --- a/drivers/input/touchscreen/tsc2007_core.c
> > > +++ b/drivers/input/touchscreen/tsc2007_core.c
> > > @@ -221,7 +221,6 @@ static int tsc2007_get_pendown_state_gpio(struct device *dev)
> > > static int tsc2007_probe_properties(struct device *dev, struct tsc2007 *ts)
> > > {
> > > u32 val32;
> > > - u64 val64;
> > >
> > > if (!device_property_read_u32(dev, "ti,max-rt", &val32))
> > > ts->max_rt = val32;
> > > @@ -237,8 +236,8 @@ static int tsc2007_probe_properties(struct device *dev, struct tsc2007 *ts)
> > > if (!device_property_read_u32(dev, "ti,fuzzz", &val32))
> > > ts->fuzzz = val32;
> > >
> > > - if (!device_property_read_u64(dev, "ti,poll-period", &val64))
> > > - ts->poll_period = msecs_to_jiffies(val64);
> > > + if (!device_property_read_u32(dev, "ti,poll-period", &val32))
> >
> > Do we need to handle -EOVERFLOW and keep compatibility with device trees
> > that used /64/ to match driver implementation? Or we expect that there
> > were/are none?
>
> I suspect there aren't any users. Nothing upstream for sure and there
> never was. We could probably just delete the property.
Applied, thank you.
--
Dmitry