ACPI: PCI: tweak _PRT lookup debug

Print one message (either "found" or "not found") for every _PRT
search.  And add pin information to the INTx swizzling debug.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index aabf8a965aff..7978c97afb0a 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -395,15 +395,16 @@ acpi_pci_irq_lookup(struct pci_dev *dev, int pin,
         int ret;
 
 
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Searching for _PRT entry for %s[%c]\n",
-                          pci_name(dev), pin_name(pin)));
-
         entry = acpi_pci_irq_find_prt_entry(dev, pin);
         if (!entry) {
-                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "_PRT entry not found\n"));
+                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No %s[%c] _PRT entry\n",
+                                  pci_name(dev), pin_name(pin)));
                 return -1;
         }
 
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %s[%c] _PRT entry\n",
+                          pci_name(dev), pin_name(pin)));
+
         ret = func(entry, triggering, polarity, link);
         return ret;
 }
@@ -455,8 +456,8 @@ acpi_pci_irq_derive(struct pci_dev *dev,
                 return -1;
         }
 
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Derive GSI %d for device %s from %s\n",
-                          irq, pci_name(dev), pci_name(bridge)));
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Derived GSI %d for %s INT %c from %s\n",
+                          irq, pci_name(dev), pin_name(orig_pin), pci_name(bridge)));
 
         return irq;
 }