Re: [PATCH v4 2/7] iio: mb1232: relax return value check for IRQ get

[Matti Vaittinen <mazziesaccount@gmail.com>]

On 5/19/23 08:00, Matti Vaittinen wrote:
> On 5/17/23 19:47, Andy Shevchenko wrote:
>> On Tue, May 16, 2023 at 10:12:41AM +0300, Matti Vaittinen wrote:
>>> fwnode_irq_get() was changed to not return 0 anymore.
>>>
>>> Drop check for return value 0.
>>
>> ...
>>
>>> -    if (data->irqnr <= 0) {
>>> +    if (data->irqnr < 0) {
>>>           /* usage of interrupt is optional */
>>>           data->irqnr = -1;
>>>       } else {
>>
>>
>> After this change I'm not sure we need this branch at all, I mean that 
>> -errn is
>> equal to -1 in the code (but needs to be checked for silly checks like 
>> == -1).
>>
>> Hence
>>
>> Entire excerpt can be replaced with
>>
>>     if (data->irqnr > 0) {
>>
> 
> I agree. Furthermore, at a quick glance it seems the whole irqnr could 
> be dropped from the private data, and the private data struct could 
> probably be static. I'd send them as separate clean-ups though as those 
> changes are not really related to this return-value series.

Please, ignore everything I wrote above, except that I agree to your 
suggestion. I was writing utter nonsense. Sorry for the noise.

> 
> Yours,
>      -- Matti
> 

-- 
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

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