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author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-09-03 09:26:33 +0300 |
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committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-09-03 09:26:33 +0300 |
commit | c50e86ce7c2961a41f2f7aa6e4fd6c99229ba205 (patch) | |
tree | 4ea36009719bd8fc523239fe1bdccb90f0dce3ae /drivers/pci/hotplug-pci.c | |
parent | 14d33d384693eb6083396199de516fdef320f7af (diff) | |
parent | 4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff) |
Merge tag 'v3.6-rc4'
Merge 3.6-rc4 to get latest OMAP and device tree fixes.
Diffstat (limited to 'drivers/pci/hotplug-pci.c')
-rw-r--r-- | drivers/pci/hotplug-pci.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/pci/hotplug-pci.c b/drivers/pci/hotplug-pci.c index d3509cdeb55..6258dc260d9 100644 --- a/drivers/pci/hotplug-pci.c +++ b/drivers/pci/hotplug-pci.c @@ -4,18 +4,26 @@ #include <linux/export.h> #include "pci.h" - -unsigned int __devinit pci_do_scan_bus(struct pci_bus *bus) +int __ref pci_hp_add_bridge(struct pci_dev *dev) { - unsigned int max; - - max = pci_scan_child_bus(bus); + struct pci_bus *parent = dev->bus; + int pass, busnr, start = parent->busn_res.start; + int end = parent->busn_res.end; - /* - * Make the discovered devices available. - */ - pci_bus_add_devices(bus); + for (busnr = start; busnr <= end; busnr++) { + if (!pci_find_bus(pci_domain_nr(parent), busnr)) + break; + } + if (busnr-- > end) { + printk(KERN_ERR "No bus number available for hot-added bridge %s\n", + pci_name(dev)); + return -1; + } + for (pass = 0; pass < 2; pass++) + busnr = pci_scan_bridge(parent, dev, busnr, pass); + if (!dev->subordinate) + return -1; - return max; + return 0; } -EXPORT_SYMBOL(pci_do_scan_bus); +EXPORT_SYMBOL_GPL(pci_hp_add_bridge); |