diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2014-01-24 19:52:25 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-02-03 18:38:23 +0100 |
| commit | 289a24a699ff808a9ebfaaf4c2759cb86932f664 (patch) | |
| tree | 9f52a7be0502abe5bb4244472a52736a2173685d /arch/x86 | |
| parent | x86/PCI: Use pcibios_scan_root() instead of pci_scan_bus_on_node() (diff) | |
| download | linux-289a24a699ff808a9ebfaaf4c2759cb86932f664.tar.xz linux-289a24a699ff808a9ebfaaf4c2759cb86932f664.zip | |
x86/PCI: Merge pci_scan_bus_on_node() into pcibios_scan_root()
pci_scan_bus_on_node() is only called by pcibios_scan_root().
This merges pci_scan_bus_on_node() into pcibios_scan_root() and removes
pci_scan_bus_on_node().
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/pci.h | 4 | ||||
| -rw-r--r-- | arch/x86/pci/common.c | 49 |
2 files changed, 19 insertions, 34 deletions
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 4e891abf8b48..b52f9c0ec5fb 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -26,10 +26,6 @@ extern int pci_routeirq; extern int noioapicquirk; extern int noioapicreroute; -/* scan a bus after allocating a pci_sysdata for it */ -extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, - int node); - #ifdef CONFIG_PCI #ifdef CONFIG_PCI_DOMAINS diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index f530c7e93250..52ad00c2e198 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -458,8 +458,25 @@ void __init dmi_check_pciprobe(void) struct pci_bus *pcibios_scan_root(int busnum) { - return pci_scan_bus_on_node(busnum, &pci_root_ops, - get_mp_bus_to_node(busnum)); + struct pci_bus *bus; + struct pci_sysdata *sd; + LIST_HEAD(resources); + + sd = kzalloc(sizeof(*sd), GFP_KERNEL); + if (!sd) { + printk(KERN_ERR "PCI: OOM, skipping PCI bus %02x\n", busnum); + return NULL; + } + sd->node = get_mp_bus_to_node(busnum); + x86_pci_root_bus_resources(busnum, &resources); + printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busnum); + bus = pci_scan_root_bus(NULL, busnum, &pci_root_ops, sd, &resources); + if (!bus) { + pci_free_resource_list(&resources); + kfree(sd); + } + + return bus; } void __init pcibios_set_cache_line_size(void) @@ -669,34 +686,6 @@ int pci_ext_cfg_avail(void) return 0; } -struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops, int node) -{ - LIST_HEAD(resources); - struct pci_bus *bus = NULL; - struct pci_sysdata *sd; - - /* - * Allocate per-root-bus (not per bus) arch-specific data. - * TODO: leak; this memory is never freed. - * It's arguable whether it's worth the trouble to care. - */ - sd = kzalloc(sizeof(*sd), GFP_KERNEL); - if (!sd) { - printk(KERN_ERR "PCI: OOM, skipping PCI bus %02x\n", busno); - return NULL; - } - sd->node = node; - x86_pci_root_bus_resources(busno, &resources); - printk(KERN_DEBUG "PCI: Probing PCI hardware (bus %02x)\n", busno); - bus = pci_scan_root_bus(NULL, busno, ops, sd, &resources); - if (!bus) { - pci_free_resource_list(&resources); - kfree(sd); - } - - return bus; -} - /* * NUMA info for PCI busses * |