genirq/MSI: Store 'struct device' instead of 'struct pci_dev' in struct msi_desc

[mirror_ubuntu-artful-kernel.git] / include / linux / msi.h

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 57fe766a14bf5fd5c8aa31a7cf87c818fcbd4bc5..5f77e231f5158c0884f6585516f0e79784b658d7 100644 (file)
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -14,6 +14,7 @@ extern int pci_msi_ignore_mask;
 /* Helper functions */
 struct irq_data;
 struct msi_desc;
+struct pci_dev;
 void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
 void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg);
 
@@ -37,14 +38,14 @@ struct msi_desc {
                void __iomem *mask_base;
                u8 mask_pos;
        };
-       struct pci_dev *dev;
+       struct device *dev;
 
        /* Last set MSI message */
        struct msi_msg msg;
 };
 
 /* Helpers to hide struct msi_desc implementation details */
-#define msi_desc_to_dev(desc)          (&(desc)->dev.dev)
+#define msi_desc_to_dev(desc)          ((desc)->dev)
 #define dev_to_msi_list(dev)           (&(dev)->msi_list)
 #define first_msi_entry(dev)           \
        list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
@@ -56,11 +57,7 @@ struct msi_desc {
 #define for_each_pci_msi_entry(desc, pdev)     \
        for_each_msi_entry((desc), &(pdev)->dev)
 
-static inline struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc)
-{
-       return desc->dev;
-}
-
+struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc);
 void *msi_desc_to_pci_sysdata(struct msi_desc *desc);
 #else /* CONFIG_PCI_MSI */
 static inline void *msi_desc_to_pci_sysdata(struct msi_desc *desc)