diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2011-07-25 13:08:40 -0700 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-08-01 11:50:31 -0700 |
| commit | 2aceefcbd5a73059e5f52831817ec277e987440d (patch) | |
| tree | 37b1a0f36a0cde11ab73d5ca2108ab94a1eb10f6 /drivers/pci | |
| parent | 2bbc6942273b5b3097bd265d82227bdd84b351b2 (diff) | |
| download | linux-2aceefcbd5a73059e5f52831817ec277e987440d.tar.gz linux-2aceefcbd5a73059e5f52831817ec277e987440d.tar.bz2 linux-2aceefcbd5a73059e5f52831817ec277e987440d.zip | |
PCI: make SRIOV resources optional
From: Yinghai Lu <yinghai@kernel.org>
Allocate resources to SRIOV BARs only after all other required
resource-requests are satisfied. Dont retry if resource allocation for SRIOV
BARs fail.
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/setup-bus.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 1796c6ffe91c..1c19b9f4019a 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -673,6 +673,16 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, if (r->parent || (r->flags & mask) != type) continue; r_size = resource_size(r); +#ifdef CONFIG_PCI_IOV + /* put SRIOV requested res to the optional list */ + if (add_head && i >= PCI_IOV_RESOURCES && + i <= PCI_IOV_RESOURCE_END) { + r->end = r->start - 1; + add_to_list(add_head, dev, r, r_size, 1); + children_add_size += r_size; + continue; + } +#endif /* For bridges size != alignment */ align = pci_resource_alignment(dev, r); order = __ffs(align) - 20; |