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| author | Bjorn Helgaas <bhelgaas@google.com> | 2013-09-25 01:14:57 +0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-09-26 01:43:58 +0400 |
| commit | 77a0dfcd8a4d9a93a21c8be56eaeb65cd69b351d (patch) | |
| tree | 78fc61e77d3976560185ac61c7944755a7009502 /drivers/pci/setup-bus.c | |
| parent | 2ba29e270e977b213a7d58ae1152c23a1c3074a3 (diff) | |
| download | linux-77a0dfcd8a4d9a93a21c8be56eaeb65cd69b351d.tar.xz | |
PCI: Document reason for using pci_is_root_bus()
Some code assumes "bus->self == NULL" means the bus is a root bus. This
adds a comment explaining why this is incorrect ("virtual" buses added for
SR-IOV have "bus->self == NULL" but are not root buses).
No functional change.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/setup-bus.c')
0 files changed, 0 insertions, 0 deletions