PCI: re-add debug prints for unmodified BARs

Print out for device BAR values before the kernel tries to update them.
Also make related output use KERN_DEBUG.
Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/probe.c

@@ -304,6 +304,9 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 		} else {
 			res->start = l64;
 			res->end = l64 + sz64;
+			printk(KERN_DEBUG "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n",
+				pci_name(dev), pos, (unsigned long long)res->start,
+				(unsigned long long)res->end);
 		}
 	} else {
 		sz = pci_size(l, sz, mask);
@@ -313,6 +316,9 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 
 		res->start = l;
 		res->end = l + sz;
+		printk(KERN_DEBUG "PCI: %s reg %x %s: [%llx, %llx]\n", pci_name(dev),
+			pos, (res->flags & IORESOURCE_IO) ? "io port":"32bit mmio",
+			(unsigned long long)res->start, (unsigned long long)res->end);
 	}
 
  out:
@@ -383,7 +389,7 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 			res->start = base;
 		if (!res->end)
 			res->end = limit + 0xfff;
-		printk(KERN_INFO "PCI: bridge %s io port: [%llx, %llx]\n",
+		printk(KERN_DEBUG "PCI: bridge %s io port: [%llx, %llx]\n",
 			pci_name(dev), (unsigned long long) res->start,
 			(unsigned long long) res->end);
 	}
@@ -397,8 +403,9 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 		res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM;
 		res->start = base;
 		res->end = limit + 0xfffff;
-		printk(KERN_INFO "PCI: bridge %s 32bit mmio: [%llx, %llx]\n", pci_name(dev),
-			(unsigned long long) res->start, (unsigned long long) res->end);
+		printk(KERN_DEBUG "PCI: bridge %s 32bit mmio: [%llx, %llx]\n",
+			pci_name(dev), (unsigned long long) res->start,
+			(unsigned long long) res->end);
 	}
 
 	res = child->resource[2];
@@ -434,7 +441,7 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
 		res->flags = (mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH;
 		res->start = base;
 		res->end = limit + 0xfffff;
-		printk(KERN_INFO "PCI: bridge %s %sbit mmio pref: [%llx, %llx]\n",
+		printk(KERN_DEBUG "PCI: bridge %s %sbit mmio pref: [%llx, %llx]\n",
 			pci_name(dev), (res->flags & PCI_PREF_RANGE_TYPE_64) ? "64" : "32",
 			(unsigned long long) res->start, (unsigned long long) res->end);
 	}