Re: mfd: intel_soc_pmic_bxtwc: irq 0 issue, tmu and typec components fail to probe.

From: Andy Shevchenko
Date: Fri Aug 09 2024 - 08:33:45 EST


On Fri, Aug 09, 2024 at 08:02:43PM +0800, Zhang Ning wrote:
> Hi, Greg & Rafael
>
> recently, when I try to enable mfd components for intel_soc_pmic_bxtwc
> for debian kernel[0]. I find tmu and typec failed to probe.
>
> after check source code, I find irq for these two devices are 0, when
> use platform_get_irq, it will alway fail.
>
> if (WARN(!ret, "0 is an invalid IRQ number\n"))
> return -EINVAL;
> return ret;
>
> My workaround for debian is to hardcode irq to 0, instead to use api.
>
> I don't know how to write a good solution, thus send an email to you.

Hold on, how the heck you got 0 in the first place?

> [0]: https://salsa.debian.org/kernel-team/linux/-/merge_requests/1156/diffs

--
With Best Regards,
Andy Shevchenko