Re: [PATCH v1 1/1] mfd: intel-lpss: Switch over to MSI interrupts

From: Andy Shevchenko
Date: Tue Mar 26 2024 - 12:21:59 EST


On Mon, Mar 25, 2024 at 04:19:15PM -0500, Bjorn Helgaas wrote:
> On Tue, Mar 12, 2024 at 06:59:05PM +0200, Andy Shevchenko wrote:

..

> > - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY);
> > + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
> > if (ret < 0)
> > return ret;
>
> I guess at least some of these devices do support INTx, since we
> always used INTx previously, right?
>
> There are a bunch of bug reports complaining about a lack of _PRT
> entries for them, e.g., these from
> https://bugzilla.kernel.org/show_bug.cgi?id=212261#c24:

But this is not related to my patch, and the mentioned bug report seems about
all AMD and Intel platforms.

Can you, please, elaborate what the relation to my patch?

--
With Best Regards,
Andy Shevchenko