Re: [patch V2 29/46] irqdomain/msi: Allow to override msi_domain_alloc/free_irqs()

From: Marc Zyngier
Date: Wed Aug 26 2020 - 17:33:38 EST


On Wed, 26 Aug 2020 20:47:38 +0100,
Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>
> On Wed, Aug 26 2020 at 20:06, Marc Zyngier wrote:
> > On Wed, 26 Aug 2020 12:16:57 +0100,
> > Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> >> /**
> >> - * msi_domain_free_irqs - Free interrupts from a MSI interrupt @domain associated tp @dev
> >> - * @domain: The domain to managing the interrupts
> >> + * msi_domain_alloc_irqs - Allocate interrupts from a MSI interrupt domain
> >> + * @domain: The domain to allocate from
> >> * @dev: Pointer to device struct of the device for which the interrupts
> >> - * are free
> >> + * are allocated
> >> + * @nvec: The number of interrupts to allocate
> >> + *
> >> + * Returns 0 on success or an error code.
> >> */
> >> -void msi_domain_free_irqs(struct irq_domain *domain, struct device *dev)
> >> +int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
> >> + int nvec)
> >> +{
> >> + struct msi_domain_info *info = domain->host_data;
> >> + struct msi_domain_ops *ops = info->ops;
> >
> > Rework leftovers, I imagine.
>
> Hmm, no. How would it call ops->domain_alloc_irqs() without getting the
> ops. I know, that the diff is horrible, but don't blame me for it. diff
> sucks at times.

I can't read. Time to put the laptop away!

Thanks,

M.

--
Without deviation from the norm, progress is not possible.