Jiaxun Yang <jiaxun.y...@flygoat.com> writes: > + > +struct pch_msi_data { > + spinlock_t msi_map_lock; > + phys_addr_t doorbell; > + u32 irq_first; /* The vector number that MSIs > starts */ > + u32 num_irqs; /* The number of vectors for > MSIs */ > + unsigned long *msi_map; > +}; > + > +static void pch_msi_mask_msi_irq(struct irq_data *d) > +{ > + pci_msi_mask_irq(d); > + irq_chip_mask_parent(d); > +} > + > +static void pch_msi_unmask_msi_irq(struct irq_data *d) > +{ > + pci_msi_unmask_irq(d); > + irq_chip_unmask_parent(d);
The ordering of mask and unmask is assymetric. That does not make sense. > +static struct msi_domain_info pch_msi_domain_info = { > + .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | > + MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX, > + .chip = &pch_msi_irq_chip, Please maintain tabular layout. Thanks, tglx