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authorAndrew Patterson <andrew.patterson@hp.com>2008-11-10 23:31:05 +0100
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 20:12:31 +0100
commit07ae95f988a34465bdcb384bfa73c03424fe2312 (patch)
tree4e1901b7fd2ccfdb85a92953c0010a4d3900a3f8 /include
parentACPI/PCI: PCIe AER _OSC support capabilities called when root bridge added (diff)
downloadlinux-07ae95f988a34465bdcb384bfa73c03424fe2312.tar.xz
linux-07ae95f988a34465bdcb384bfa73c03424fe2312.zip
ACPI/PCI: PCI MSI _OSC support capabilities called when root bridge added
The _OSC capability OSC_MSI_SUPPORT is set when the root bridge is added with pci_acpi_osc_support(), so we no longer need to do it in the PCI MSI driver. Also adds the function pci_msi_enabled, which returns true if pci=nomsi is not on the kernel command-line. Signed-off-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/pci.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index eae97a2bf603..59a3dc2059d3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -779,6 +779,10 @@ static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev)
static inline void pci_restore_msi_state(struct pci_dev *dev)
{ }
+static inline int pci_msi_enabled(void)
+{
+ return 0;
+}
#else
extern int pci_enable_msi(struct pci_dev *dev);
extern void pci_msi_shutdown(struct pci_dev *dev);
@@ -789,6 +793,7 @@ extern void pci_msix_shutdown(struct pci_dev *dev);
extern void pci_disable_msix(struct pci_dev *dev);
extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
extern void pci_restore_msi_state(struct pci_dev *dev);
+extern int pci_msi_enabled(void);
#endif
#ifndef CONFIG_PCIEASPM