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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-12-09 05:30:56 +0100
committerLen Brown <len.brown@intel.com>2008-12-31 03:29:37 +0100
commit1350487eeb616889f589e9b8c06bd5077452b7e3 (patch)
tree87b3ad7508ab1f5838439323080455daba5c224a /drivers
parentACPI: PCI: lookup _PRT entry by PCI dev and pin, not segment/bus/dev/pin (diff)
downloadlinux-1350487eeb616889f589e9b8c06bd5077452b7e3.tar.xz
linux-1350487eeb616889f589e9b8c06bd5077452b7e3.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/pci_irq.c13
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;
}