On Fri, Mar 22, 2013 at 08:51:46AM +0000, Thierry Reding wrote:
> index ce93a34..ea4a5be 100644
> --- a/include/linux/msi.h
> +++ b/include/linux/msi.h
> @@ -58,5 +58,15 @@ extern int arch_setup_msi_irqs(struct pci_dev *dev, int
> nvec, int type);
> extern void arch_teardown_msi_irqs(struct pci_dev *dev);
> extern int arch_msi_check_device(struct pci_dev* dev, int nvec, int type);
>
> +struct msi_chip {
> + struct module *owner;
> + struct device *dev;
> +
> + int (*setup_irq)(struct msi_chip *chip, struct pci_dev *dev,
> + struct msi_desc *desc);
> + void (*teardown_irq)(struct msi_chip *chip, unsigned int irq);
> + int (*check_device)(struct msi_chip *chip, struct pci_dev *dev,
> + int nvec, int type);
> +};
Is there a need to add setup_irqs and teardown_irqs functions here? This will
allow your MSI chips to support multiple MSIs per requesting device.
What about restore_msi_irqs? Does this fit in here too?
Andrew Murray
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