[POWERPC] Fix IO space on PCI buses created from of_platform

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / kernel / of_platform.c

diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 84c34d979a88073e3970ac33adc62c24692935a6..d501c23e5159559ca493caf512e888ca6671e73a 100644 (file)
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -427,11 +427,13 @@ static int __devinit of_pci_phb_probe(struct of_device *dev,
        /* Process "ranges" property */
        pci_process_bridge_OF_ranges(phb, dev->node, 0);
 
-       /* Setup IO space.
-        * This will not work properly for ISA IOs, something needs to be done
-        * about it if we ever generalize that way of probing PCI brigdes
+       /* Setup IO space. We use the non-dynamic version of that code here,
+        * which doesn't quite support unplugging. Next kernel release will
+        * have a better fix for this.
+        * Note also that we don't do ISA, this will also be fixed with a
+        * more massive rework.
         */
-       pci_setup_phb_io_dynamic(phb, 0);
+       pci_setup_phb_io(phb, 0);
 
        /* Init pci_dn data structures */
        pci_devs_phb_init_dynamic(phb);