Dear Thierry Reding, On Thu, 20 Jun 2013 20:57:08 +0200, Thierry Reding wrote: > > diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c > > index 2c10752..4bc0c8f 100644 > > --- a/drivers/pci/msi.c > > +++ b/drivers/pci/msi.c > > @@ -30,19 +30,35 @@ static int pci_msi_enable = 1; > > > > /* Arch hooks */ > > > > -#ifndef arch_msi_check_device > > -int arch_msi_check_device(struct pci_dev *dev, int nvec, int type) > > +int default_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) > > +{ > > + return -EINVAL; > > +} > > + > > +int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) > > +{ > > + return default_setup_msi_irq(dev, desc); > > +} > > + > > +void default_teardown_msi_irq(unsigned int irq) > > +{ > > +} > > + > > +void __weak arch_teardown_msi_irq(unsigned int irq) > > +{ > > + return default_teardown_msi_irq(irq); > > +} > > + > > +int default_msi_check_device(struct pci_dev *dev, int nvec, int type) > > { > > return 0; > > } > > -#endif > > I don't think keeping the default_*() for these three is necessary, > given that they don't do anything and therefore no architecture is > likely to call them when overriding. Ok. I was just keeping them for the sake of consistency with the other calls that do have a default behavior, but if it's considered not useful, I'll get rid of them in v4. Thanks for your comments! Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html