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authorBjorn Helgaas <bhelgaas@google.com>2014-07-08 16:04:22 -0600
committerBjorn Helgaas <bhelgaas@google.com>2014-07-08 16:29:08 -0600
commit64da465e9841f93183744a9dadf992f938ac3910 (patch)
treeef99226fa4a668ba7ff645d25753a0ee647b9c24 /drivers/pci/setup-res.c
parent947788359527d9598356c274c50522e0f6d0ad0f (diff)
PCI: Tidy resource assignment messages
Print messages about failures in pci_assign_resource(). We can drop the "by-hand" message from _pci_assign_resource() because %pR now prints the size rather than the address if the resource hasn't been assigned. No functional change. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/setup-res.c')
-rw-r--r--drivers/pci/setup-res.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 74eb6febdf87..b7c3a5ea1fca 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -248,10 +248,8 @@ static int __pci_assign_resource(struct pci_bus *bus, struct pci_dev *dev,
static int _pci_assign_resource(struct pci_dev *dev, int resno,
resource_size_t size, resource_size_t min_align)
{
- struct resource *res = dev->resource + resno;
struct pci_bus *bus;
int ret;
- char *type;
bus = dev->bus;
while ((ret = __pci_assign_resource(bus, dev, resno, size, min_align))) {
@@ -260,21 +258,6 @@ static int _pci_assign_resource(struct pci_dev *dev, int resno,
bus = bus->parent;
}
- if (ret) {
- if (res->flags & IORESOURCE_MEM)
- if (res->flags & IORESOURCE_PREFETCH)
- type = "mem pref";
- else
- type = "mem";
- else if (res->flags & IORESOURCE_IO)
- type = "io";
- else
- type = "unknown";
- dev_info(&dev->dev,
- "BAR %d: can't assign %s (size %#llx)\n",
- resno, type, (unsigned long long) resource_size(res));
- }
-
return ret;
}
@@ -300,11 +283,16 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
* where firmware left it. That at least has a chance of
* working, which is better than just leaving it disabled.
*/
- if (ret < 0)
+ if (ret < 0) {
+ dev_info(&dev->dev, "BAR %d: no space for %pR\n", resno, res);
ret = pci_revert_fw_address(res, dev, resno, size);
+ }
- if (ret < 0)
+ if (ret < 0) {
+ dev_info(&dev->dev, "BAR %d: failed to assign %pR\n", resno,
+ res);
return ret;
+ }
res->flags &= ~IORESOURCE_UNSET;
res->flags &= ~IORESOURCE_STARTALIGN;
@@ -344,7 +332,8 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
res->flags &= ~IORESOURCE_UNSET;
res->flags &= ~IORESOURCE_STARTALIGN;
- dev_info(&dev->dev, "BAR %d: reassigned %pR\n", resno, res);
+ dev_info(&dev->dev, "BAR %d: reassigned %pR (expanded by %#llx)\n",
+ resno, res, (unsigned long long) addsize);
if (resno < PCI_BRIDGE_RESOURCES)
pci_update_resource(dev, resno);