Hi Uwe, Thanks for the patches! Patch series is, Acked-by: Samuel Iglesias Gonsalvez Greg, Would you mind picking this patch series through your char-misc tree? Thanks! Sam On Sun, 2021-02-07 at 22:55 +0100, Uwe Kleine-König wrote: > A driver without a probe function isn't useful as it can never be > used. > Let registering such a driver fail already instead of failing every > binding. > > This is only cosmetic as there is no ipack driver without a probe > function. > > Signed-off-by: Uwe Kleine-König > --- >  drivers/ipack/ipack.c | 6 +++--- >  1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/ipack/ipack.c b/drivers/ipack/ipack.c > index 9267a85fee18..eabc4d08792a 100644 > --- a/drivers/ipack/ipack.c > +++ b/drivers/ipack/ipack.c > @@ -64,9 +64,6 @@ static int ipack_bus_probe(struct device *device) >         struct ipack_device *dev = to_ipack_dev(device); >         struct ipack_driver *drv = to_ipack_driver(device->driver); >   > -       if (!drv->ops->probe) > -               return -EINVAL; > - >         return drv->ops->probe(dev); >  } >   > @@ -252,6 +249,9 @@ EXPORT_SYMBOL_GPL(ipack_bus_unregister); >  int ipack_driver_register(struct ipack_driver *edrv, struct module > *owner, >                           const char *name) >  { > +       if (!edrv->ops->probe) > +               return -EINVAL; > + >         edrv->driver.owner = owner; >         edrv->driver.name = name; >         edrv->driver.bus = &ipack_bus_type; > > base-commit: 5c8fe583cce542aa0b84adc939ce85293de36e5e