powerpc/powernv: Improve kexec reliability

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / powerpc / platforms / powernv / pci.c

diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 55dfca8..163bd74 100644 (file)
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -450,6 +450,18 @@ static void pnv_pci_dma_dev_setup(struct pci_dev *pdev)
                pnv_pci_dma_fallback_setup(hose, pdev);
 }
 
+void pnv_pci_shutdown(void)
+{
+       struct pci_controller *hose;
+
+       list_for_each_entry(hose, &hose_list, list_node) {
+               struct pnv_phb *phb = hose->private_data;
+
+               if (phb && phb->shutdown)
+                       phb->shutdown(phb);
+       }
+}
+
 /* Fixup wrong class code in p7ioc and p8 root complex */
 static void pnv_p7ioc_rc_quirk(struct pci_dev *dev)
 {