Re: [PATCH v13 08/13] irqchip/riscv-imsic: Add device MSI domain support for PCI devices

[Anup Patel]

On Tue, Feb 20, 2024 at 7:05 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> On Tue, Feb 20 2024 at 11:37, Anup Patel wrote:
> >  static bool imsic_init_dev_msi_info(struct device *dev,
> >                                   struct irq_domain *domain,
> >                                   struct irq_domain *real_parent,
> > @@ -218,6 +241,7 @@ static bool imsic_init_dev_msi_info(struct device *dev,
> >
> >       /* MSI parent domain specific settings */
> >       switch (real_parent->bus_token) {
> > +     case DOMAIN_BUS_PCI_MSI:
>
>         case DOMAIN_BUS_PCI_DEVICE_MSIX:
>
> ?

Actually, the DOMAIN_BUS_PCI_MSI is not needed because
the real parent domain is always the IMSIC base irq_domain
so DOMAIN_BUS_NEXUS is sufficient.

Better to just drop DOMAIN_BUS_PCI_MSI from this switch case ?

Regards,
Anup