[PATCH 1/4] watchdog: qcom: Propagate errors from optional IRQ lookup

[Guenter Roeck]

On 8/8/26 01:59, Bui Duc Phuc wrote:
> Hi Guenter,
> 
> Thanks for the review.
> 
>>
>> This is wrong. Check the if() path - the code ends up here if pretimeout == 0,
>> even if irq > 0.
>>
> 
> You're right. I misunderstood the condition in the if() path.
> I'll rewrite it as follows:
> 
>   irq = platform_get_irq_optional(pdev, 0);
> +if (irq < 0 && irq != -ENXIO)
> +        return irq;

This is still wrong. If there is no pretimeout, it does not matter if there is an error.

Guenter

> if (data->pretimeout && irq > 0) {
> .....
>   } else {
> - if (irq == -EPROBE_DEFER)
> -       return -EPROBE_DEFER;
>    wdt->wdd.info = &qcom_wdt_info;
>   }
> 
> Best regards,
> Phuc