On 3/19/21 12:00 PM, William Breathitt Gray wrote: > ERANGE is a semantically better error code to return when an argument > value falls outside the supported limit range of a device. > > Cc: Syed Nayyar Waris <[email protected]> > Cc: Oleksij Rempel <[email protected]> > Cc: Fabrice Gasnier <[email protected]> > Cc: Maxime Coquelin <[email protected]> > Cc: Alexandre Torgue <[email protected]> > Reviewed-by: David Lechner <[email protected]> > Signed-off-by: William Breathitt Gray <[email protected]> > --- > drivers/counter/104-quad-8.c | 6 +++--- > drivers/counter/interrupt-cnt.c | 3 +++ > drivers/counter/stm32-lptimer-cnt.c | 2 +- > 3 files changed, 7 insertions(+), 4 deletions(-)
Hi William, For the STM32 driver, you can add my: Reviewed-by: Fabrice Gasnier <[email protected]> Thanks, Fabrice > > diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c > index b7d6c1c43655..0409b1771fd9 100644 > --- a/drivers/counter/104-quad-8.c > +++ b/drivers/counter/104-quad-8.c > @@ -154,7 +154,7 @@ static int quad8_count_write(struct counter_device > *counter, > > /* Only 24-bit values are supported */ > if (val > 0xFFFFFF) > - return -EINVAL; > + return -ERANGE; > > mutex_lock(&priv->lock); > > @@ -669,7 +669,7 @@ static ssize_t quad8_count_preset_write(struct > counter_device *counter, > > /* Only 24-bit values are supported */ > if (preset > 0xFFFFFF) > - return -EINVAL; > + return -ERANGE; > > mutex_lock(&priv->lock); > > @@ -714,7 +714,7 @@ static ssize_t quad8_count_ceiling_write(struct > counter_device *counter, > > /* Only 24-bit values are supported */ > if (ceiling > 0xFFFFFF) > - return -EINVAL; > + return -ERANGE; > > mutex_lock(&priv->lock); > > diff --git a/drivers/counter/interrupt-cnt.c b/drivers/counter/interrupt-cnt.c > index 0e07607f2cd3..f27dea317965 100644 > --- a/drivers/counter/interrupt-cnt.c > +++ b/drivers/counter/interrupt-cnt.c > @@ -107,6 +107,9 @@ static int interrupt_cnt_write(struct counter_device > *counter, > { > struct interrupt_cnt_priv *priv = counter->priv; > > + if (val != (typeof(priv->count.counter))val) > + return -ERANGE; > + > atomic_set(&priv->count, val); > > return 0; > diff --git a/drivers/counter/stm32-lptimer-cnt.c > b/drivers/counter/stm32-lptimer-cnt.c > index 78f383b77bd2..49aeb9e393f3 100644 > --- a/drivers/counter/stm32-lptimer-cnt.c > +++ b/drivers/counter/stm32-lptimer-cnt.c > @@ -283,7 +283,7 @@ static ssize_t stm32_lptim_cnt_ceiling_write(struct > counter_device *counter, > return ret; > > if (ceiling > STM32_LPTIM_MAX_ARR) > - return -EINVAL; > + return -ERANGE; > > priv->ceiling = ceiling; > >
