diff --git a/drivers/platform/x86/p2sb.c b/drivers/platform/x86/p2sb.c
index 31f38309b389..e9038e8ebc87 100644
--- a/drivers/platform/x86/p2sb.c
+++ b/drivers/platform/x86/p2sb.c
@@ -89,6 +89,12 @@ static void p2sb_scan_and_cache_devfn(struct pci_bus *bus, unsigned int devfn)
 		return;
 
 	p2sb_read_bar0(pdev, &cache->res);
+
+	pr_info("%s: devfn=%x.%x\n", __func__,
+		PCI_SLOT(devfn), PCI_FUNC(devfn));
+	pr_info("%s: %llx-%llx: %lx\n", __func__,
+		cache->res.start, cache->res.end, cache->res.flags);
+
 	cache->bus_dev_id = bus->dev.id;
 
 	pci_stop_and_remove_bus_device(pdev);
@@ -130,6 +136,8 @@ static int p2sb_cache_resources(void)
 	u16 class;
 	int ret;
 
+	pr_info("%s\n", __func__);
+
 	/* Get devfn for P2SB device itself */
 	p2sb_get_devfn(&devfn_p2sb);
 
@@ -157,6 +165,9 @@ static int p2sb_cache_resources(void)
 	 * Unhide the P2SB device here, if needed.
 	 */
 	pci_bus_read_config_dword(bus, devfn_p2sb, P2SBC, &value);
+
+	pr_info("%s: P2SBC_HIDE=%lu\n", __func__, value & P2SBC_HIDE);
+
 	if (value & P2SBC_HIDE)
 		pci_bus_write_config_dword(bus, devfn_p2sb, P2SBC, 0);
 
@@ -189,6 +200,8 @@ int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
 {
 	struct p2sb_res_cache *cache;
 
+	pr_info("%s\n", __func__);
+
 	bus = p2sb_get_bus(bus);
 	if (!bus)
 		return -ENODEV;
@@ -204,6 +217,12 @@ int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
 		return -ENOENT;
 
 	memcpy(mem, &cache->res, sizeof(*mem));
+
+	pr_info("%s: devfn=%x.%x\n", __func__,
+		PCI_SLOT(devfn), PCI_FUNC(devfn));
+	pr_info("%s: %llx-%llx: %lx\n", __func__,
+		cache->res.start, cache->res.end, cache->res.flags);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(p2sb_bar);