From 395a125c6237802b19bf22b41017c99ff57f1024 Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 9 Sep 2008 12:27:52 -0700
Subject: [PATCH] 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: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
drivers/pci/probe.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 0ad936765b26..36698e57b97f 100644
--- a/drivers/pci/probe.c
+++ b/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);
}
--
2.20.1