From: Yinghai Lu <yinghai@kernel.org>
Date: Mon, 22 Jul 2013 21:37:13 +0000 (-0700)
Subject: PCI: Look for unassigned resources on per-bus basis
X-Git-Tag: v3.12-rc1~177^2~3^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=223d96fc3249b0ffdc30bf77fd90c93f857e9a6e;p=pandora-kernel.git

PCI: Look for unassigned resources on per-bus basis

When CONFIG_PCI_REALLOC_ENABLE_AUTO=y, pci_realloc_detect() looks at PCI
devices to see if any have SR-IOV resources that need to be assigned.  If
it finds any, it turns on automatic resource reallocation.

This patch changes pci_realloc_detect() so it uses pci_walk_bus() on
each root bus instead of using for_each_pci_dev().  This is a step
toward doing reallocation on a per-bus basis, so we can do it for
a hot-added host bridge.

[bhelgaas: changelog, rename callback to iov_resources_unassigned(), use
boolean for "unassigned"]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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