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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-10-08 08:43:00 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-10-08 08:43:00 -0700 |
| commit | e3c55d406bd8df1a878546002c93db90c42be10c (patch) | |
| tree | efb0ba2707c95fd7166cf1b76887c43c977e37dd /include/linux/msi.h | |
| parent | 4d6e482675f13e33599fc3d18fc723959be0a9b6 (diff) | |
| parent | d0e639c9e06d44e713170031fe05fb60ebe680af (diff) | |
Merge tag 'v3.12-rc4' into next
Merge with mainline to bring in changes to input subsystem that were
committed through other trees.
Diffstat (limited to 'include/linux/msi.h')
| -rw-r--r-- | include/linux/msi.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h index ee66f3a12fb6..b17ead818aec 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -51,12 +51,31 @@ struct msi_desc { }; /* - * The arch hook for setup up msi irqs + * The arch hooks to setup up msi irqs. Those functions are + * implemented as weak symbols so that they /can/ be overriden by + * architecture specific code if needed. */ int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc); void arch_teardown_msi_irq(unsigned int irq); int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type); void arch_teardown_msi_irqs(struct pci_dev *dev); int arch_msi_check_device(struct pci_dev* dev, int nvec, int type); +void arch_restore_msi_irqs(struct pci_dev *dev, int irq); + +void default_teardown_msi_irqs(struct pci_dev *dev); +void default_restore_msi_irqs(struct pci_dev *dev, int irq); + +struct msi_chip { + struct module *owner; + struct device *dev; + struct device_node *of_node; + struct list_head list; + + 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); +}; #endif /* LINUX_MSI_H */ |