This patch exports the pci_restore_msi_state() function. This function
is needed to restore the MSI state during PCI error recovery.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Signed-off-by: Matt Carlson <[EMAIL PROTECTED]>
Signed-off-by: Michael Chan <[EMAIL PROTECTED]>
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 87e0161..f57762d 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -224,7 +224,6 @@ static struct msi_desc* alloc_msi_entry(void)
return entry;
}
-#ifdef CONFIG_PM
static void __pci_restore_msi_state(struct pci_dev *dev)
{
int pos;
@@ -282,7 +281,7 @@ void pci_restore_msi_state(struct pci_dev *dev)
__pci_restore_msi_state(dev);
__pci_restore_msix_state(dev);
}
-#endif /* CONFIG_PM */
+EXPORT_SYMBOL_GPL(pci_restore_msi_state);
/**
* msi_capability_init - configure device's MSI capability structure
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 6fda33d..23c6c17 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -45,12 +45,6 @@ static inline void pci_no_msi(void) { }
static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
#endif
-#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
-void pci_restore_msi_state(struct pci_dev *dev);
-#else
-static inline void pci_restore_msi_state(struct pci_dev *dev) {}
-#endif
-
#ifdef CONFIG_PCIEAER
void pci_no_aer(void);
#else
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 768b933..5575227 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -662,6 +662,7 @@ static inline int pci_enable_msix(struct pci_dev* dev,
struct msix_entry *entries, int nvec) {return -1;}
static inline void pci_disable_msix(struct pci_dev *dev) {}
static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev) {}
+static inline void pci_restore_msi_state(struct pci_dev *dev) {}
#else
extern int pci_enable_msi(struct pci_dev *dev);
extern void pci_disable_msi(struct pci_dev *dev);
@@ -669,6 +670,7 @@ extern int pci_enable_msix(struct pci_dev* dev,
struct msix_entry *entries, int nvec);
extern void pci_disable_msix(struct pci_dev *dev);
extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
+void pci_restore_msi_state(struct pci_dev *dev);
#endif
#ifdef CONFIG_HT_IRQ
-
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