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 <syednwaris@xxxxxxxxx>
Cc: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Cc: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
Reviewed-by: David Lechner <david@xxxxxxxxxxxxxx>
Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
---
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(-)
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;
--
2.30.2
