powerpc/pci: Remove the stale comments of pci_process_bridge_OF_ranges

[sfrench/cifs-2.6.git] / arch / powerpc / kernel / pci-common.c

diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 6053f037ef0af4368551d1e866769c39f6ea6143..8acd7c9708304aa4b40b9f5d97dfe0210188ddce 100644 (file)
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -657,15 +657,6 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar,
  *     ranges. However, some machines (thanks Apple !) tend to split their
  *     space into lots of small contiguous ranges. So we have to coalesce.
  *
- *   - We can only cope with all memory ranges having the same offset
- *     between CPU addresses and PCI addresses. Unfortunately, some bridges
- *     are setup for a large 1:1 mapping along with a small "window" which
- *     maps PCI address 0 to some arbitrary high address of the CPU space in
- *     order to give access to the ISA memory hole.
- *     The way out of here that I've chosen for now is to always set the
- *     offset based on the first resource found, then override it if we
- *     have a different offset and the previous was set by an ISA hole.
- *
  *   - Some busses have IO space not starting at 0, which causes trouble with
  *     the way we do our IO resource renumbering. The code somewhat deals with
  *     it for 64 bits but I would expect problems on 32 bits.
@@ -1520,9 +1511,10 @@ static void pcibios_setup_phb_resources(struct pci_controller *hose,
        for (i = 0; i < 3; ++i) {
                res = &hose->mem_resources[i];
                if (!res->flags) {
-                       printk(KERN_ERR "PCI: Memory resource 0 not set for "
-                              "host bridge %s (domain %d)\n",
-                              hose->dn->full_name, hose->global_number);
+                       if (i == 0)
+                               printk(KERN_ERR "PCI: Memory resource 0 not set for "
+                                      "host bridge %s (domain %d)\n",
+                                      hose->dn->full_name, hose->global_number);
                        continue;
                }
                offset = hose->mem_offset[i];