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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-04-04 00:33:49 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-04-04 00:33:49 +0100
commitbce5669be3a8946952258a064ef26defeb887138 (patch)
tree117386b9909882c000f822011c5ea6fdcbab3273 /include/linux/pci.h
parent95959e6a06720834fc80a210e37898341c63cb91 (diff)
parent566b60c04ab230b8cc3845f964306f99504b18df (diff)
Merge branch 'devel-stable' into for-next
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index fb57c892b214..33aa2caf0f0c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1169,8 +1169,23 @@ void msi_remove_pci_irq_vectors(struct pci_dev *dev);
void pci_restore_msi_state(struct pci_dev *dev);
int pci_msi_enabled(void);
int pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec);
+static inline int pci_enable_msi_exact(struct pci_dev *dev, int nvec)
+{
+ int rc = pci_enable_msi_range(dev, nvec, nvec);
+ if (rc < 0)
+ return rc;
+ return 0;
+}
int pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries,
int minvec, int maxvec);
+static inline int pci_enable_msix_exact(struct pci_dev *dev,
+ struct msix_entry *entries, int nvec)
+{
+ int rc = pci_enable_msix_range(dev, entries, nvec, nvec);
+ if (rc < 0)
+ return rc;
+ return 0;
+}
#else
static inline int pci_msi_vec_count(struct pci_dev *dev) { return -ENOSYS; }
static inline int pci_enable_msi_block(struct pci_dev *dev, int nvec)
@@ -1189,9 +1204,14 @@ static inline int pci_msi_enabled(void) { return 0; }
static inline int pci_enable_msi_range(struct pci_dev *dev, int minvec,
int maxvec)
{ return -ENOSYS; }
+static inline int pci_enable_msi_exact(struct pci_dev *dev, int nvec)
+{ return -ENOSYS; }
static inline int pci_enable_msix_range(struct pci_dev *dev,
struct msix_entry *entries, int minvec, int maxvec)
{ return -ENOSYS; }
+static inline int pci_enable_msix_exact(struct pci_dev *dev,
+ struct msix_entry *entries, int nvec)
+{ return -ENOSYS; }
#endif
#ifdef CONFIG_PCIEPORTBUS