PCI: improve discovery/configuration messages

This makes PCI resource management messages more consistent and adds a few
new messages to aid debugging.

Whenever we assign resources to a device, update a BAR, or change a
bridge aperture, it's worth noting it.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index d49d17de7b3f..b73c09f45210 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -129,7 +129,9 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
                                         continue;
                                 if (!r->start ||
                                     pci_claim_resource(dev, idx) < 0) {
-                                        dev_info(&dev->dev, "BAR %d: can't allocate %pR\n", idx, r);
+                                        dev_info(&dev->dev,
+                                                 "can't reserve window %pR\n",
+                                                 r);
                                         /*
                                          * Something is wrong with the region.
                                          * Invalidate the resource to prevent
@@ -165,10 +167,11 @@ static void __init pcibios_allocate_resources(int pass)
                                 disabled = !(command & PCI_COMMAND_MEMORY);
                         if (pass == disabled) {
                                 dev_dbg(&dev->dev,
-                                        "BAR %d: claiming %pr (d=%d, p=%d)\n",
+                                        "BAR %d: reserving %pr (d=%d, p=%d)\n",
                                         idx, r, disabled, pass);
                                 if (pci_claim_resource(dev, idx) < 0) {
-                                        dev_info(&dev->dev, "BAR %d: can't claim %pR\n", idx, r);
+                                        dev_info(&dev->dev,
+                                                 "can't reserve %pR\n", r);
                                         /* We'll assign a new address later */
                                         r->end -= r->start;
                                         r->start = 0;