]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
PCI: Log all resource claims
authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Wed, 29 Apr 2026 12:26:07 +0000 (15:26 +0300)
committerBjorn Helgaas <bhelgaas@google.com>
Mon, 4 May 2026 22:53:11 +0000 (17:53 -0500)
There are two ways to graft resource into resource tree in PCI,
pci_assign_resource() and pci_claim_resource(). Only the former logs
the action, which complicated troubleshooting the cases where resources
are assigned by pci_claim_resource(), which mostly assigns the addresses
inherited from the FW.

Add logging into pci_claim_resource() to make troubleshooting easier.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20260429122617.7324-2-ilpo.jarvinen@linux.intel.com
drivers/pci/setup-res.c

index fbc05cda96ee015d968f9fca984d94541e6a3794..0d203325562b14ef9ccb19386b5fe852c57bffd6 100644 (file)
@@ -167,6 +167,8 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
                return -EBUSY;
        }
 
+       pci_dbg(dev, "%s %pR: claiming\n", res_name, res);
+
        return 0;
 }
 EXPORT_SYMBOL(pci_claim_resource);