Messages in this thread Patch in this message | | | Subject | [PATCH v3 2/7] PCI: read bridge windows before filling in subtractive decode resources | From | Bjorn Helgaas <> | Date | Fri, 12 Feb 2010 09:59:57 -0700 |
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No functional change; this fills in the bus subtractive decode resources after reading the bridge window information rather than before. Also, print out the subtractive decode resources as we already do for the positive decode windows.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> ---
drivers/pci/probe.c | 15 ++++++++++----- 1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 3d305c1..06ff76d 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -403,14 +403,19 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child) child->secondary, child->subordinate, dev->transparent ? " (subtractive decode)": ""); - if (dev->transparent) { - for(i = 3; i < PCI_BUS_NUM_RESOURCES; i++) - child->resource[i] = child->parent->resource[i - 3]; - } - pci_read_bridge_io(child); pci_read_bridge_mmio(child); pci_read_bridge_mmio_pref(child); + + if (dev->transparent) { + for (i = 3; i < PCI_BUS_NUM_RESOURCES; i++) { + child->resource[i] = child->parent->resource[i - 3]; + if (child->resource[i]) + dev_printk(KERN_DEBUG, &dev->dev, + " bridge window %pR (subtractive decode)\n", + child->resource[i]); + } + } } static struct pci_bus * pci_alloc_bus(void)
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