[PATCH 1/5] dm: pwm: Check if duty_ns is lower than period_ns

[Patrice CHOTARD]

On 3/6/25 15:13, Patrice CHOTARD wrote:
> 
> 
> On 3/6/25 11:56, Cheick Traore wrote:
>> It was possible to provide a duty_ns greater than period_ns to
>> "pwm config" command. The framework must check the values before
>> providing them to drivers.
>>
>> Signed-off-by: Cheick Traore <cheick.traore at foss.st.com>
>> ---
>>
>>  drivers/pwm/pwm-uclass.c | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/pwm/pwm-uclass.c b/drivers/pwm/pwm-uclass.c
>> index 6543db1d623..b4491f7dcd4 100644
>> --- a/drivers/pwm/pwm-uclass.c
>> +++ b/drivers/pwm/pwm-uclass.c
>> @@ -27,6 +27,9 @@ int pwm_set_config(struct udevice *dev, uint channel, uint period_ns,
>>  	if (!ops->set_config)
>>  		return -ENOSYS;
>>  
>> +	if (duty_ns > period_ns)
>> +		return -EINVAL;
>> +
>>  	return ops->set_config(dev, channel, period_ns, duty_ns);
>>  }
>>  
> Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
> 
> Thanks
> Patrice
Applied to u-boot-stm32/next

Thanks
Patrice