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-rw-r--r--arch/powerpc/kernel/irq.c25
-rw-r--r--include/asm-powerpc/machdep.h5
2 files changed, 30 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 57d560c68897..bfcec4cc70a7 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -47,6 +47,7 @@
#include <linux/cpumask.h>
#include <linux/profile.h>
#include <linux/bitops.h>
+#include <linux/pci.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -436,6 +437,30 @@ void do_softirq(void)
}
EXPORT_SYMBOL(do_softirq);
+#ifdef CONFIG_PCI_MSI
+int pci_enable_msi(struct pci_dev * pdev)
+{
+ if (ppc_md.enable_msi)
+ return ppc_md.enable_msi(pdev);
+ else
+ return -1;
+}
+
+void pci_disable_msi(struct pci_dev * pdev)
+{
+ if (ppc_md.disable_msi)
+ ppc_md.disable_msi(pdev);
+}
+
+void pci_scan_msi_device(struct pci_dev *dev) {}
+int pci_enable_msix(struct pci_dev* dev, struct msix_entry *entries, int nvec) {return -1;}
+void pci_disable_msix(struct pci_dev *dev) {}
+void msi_remove_pci_irq_vectors(struct pci_dev *dev) {}
+void disable_msi_mode(struct pci_dev *dev, int pos, int type) {}
+void pci_no_msi(void) {}
+
+#endif
+
#ifdef CONFIG_PPC64
static int __init setup_noirqdistrib(char *str)
{
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 0f9254c18914..fc984bd11d8f 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -238,6 +238,11 @@ struct machdep_calls {
*/
void (*machine_kexec)(struct kimage *image);
#endif /* CONFIG_KEXEC */
+
+#ifdef CONFIG_PCI_MSI
+ int (*enable_msi)(struct pci_dev *pdev);
+ void (*disable_msi)(struct pci_dev *pdev);
+#endif /* CONFIG_PCI_MSI */
};
extern void power4_idle(void);