On Wed, 12 Nov 2014, Marc Zyngier wrote: > This patch introduces two optionnal fields to the msi_chip structure: > - a pointer to an irq domain, describing the MSI domain associated > with this msi_chip. To be populated with msi_create_irq_domain. > - a domain_alloc_irqs() callback that has the same purpose as > arch_setup_msi_irqs(), with the above domain as an additional > parameter. > > If both of these fields are non-NULL, then domain_alloc_irqs() is > called, bypassing the setup_irq callback. This allows the MSI driver > to use the domain stacking feature without mandating core support in > the architecture. I'd rather have the callback in the irqdomain itself. Along with a callback to free the interrupts. AFAICT is msi_chip more or less a wrapper around the actual MSI irq domain. So we rather move towards assigning irqdomain to the pci bus and get rid of msi_chip instead of adding another level of obscure indirection through msi_chip. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
