Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...

[linux-2.6] / arch / powerpc / platforms / pseries / msi.c

diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 2793a1b100e64260e062eca9ca7517a78183f7b7..f15222bbe136a1020de443d3ff6c434c152c8d4b 100644 (file)
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -171,6 +171,7 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
        struct pci_dn *pdn;
        int hwirq, virq, i, rc;
        struct msi_desc *entry;
+       struct msi_msg msg;
 
        pdn = get_pdn(pdev);
        if (!pdn)
@@ -213,6 +214,11 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 
                dev_dbg(&pdev->dev, "rtas_msi: allocated virq %d\n", virq);
                set_irq_msi(virq, entry);
+
+               /* Read config space back so we can restore after reset */
+               read_msi_msg(virq, &msg);
+               entry->msg = msg;
+
                unmask_msi_irq(virq);
        }