[PATCH -v11 21/30] PCI: Add pci_bus_replace_busn_res()
From: Yinghai Lu <yinghai@kernel.org>
Date: 2012-03-19 05:45:46
Also in:
linux-pci, lkml
Subsystem:
pci subsystem, the rest · Maintainers:
Bjorn Helgaas, Linus Torvalds
It will use resource_replace to put bus's busn_res in the resource tree. Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- drivers/pci/probe.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 67cd0a7..c5fe935 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c@@ -626,6 +626,21 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent, return child; } +static void pci_bus_replace_busn_res(struct pci_bus *b, + struct resource *busn_res) +{ + struct resource *res = &b->busn_res; + + /* busn_res must be registered already*/ + if (!busn_res->parent) + return; + + resource_replace(busn_res, res); + + dev_printk(KERN_DEBUG, &b->dev, "busn_res: %pR is updated under %pR\n", + res, res->parent); +} + struct pci_bus *__ref pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr) { struct pci_bus *child;
--
1.7.7