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authorThomas Gleixner <tglx@linutronix.de>2009-08-29 16:24:51 +0200
committerH. Peter Anvin <hpa@zytor.com>2010-02-19 16:12:29 -0800
commitb72d0db9dd41da1f2ec6274b03e8909583c64e41 (patch)
tree6424768067546f3aa4bd2e5d0a11d6459a6aad51 /arch/x86/pci/common.c
parentcf4c43dd439b90a1a876b3f836ebe745abb9a269 (diff)
downloadop-kernel-dev-b72d0db9dd41da1f2ec6274b03e8909583c64e41.zip
op-kernel-dev-b72d0db9dd41da1f2ec6274b03e8909583c64e41.tar.gz
x86: Move pci init function to x86_init
The PCI initialization in pci_subsys_init() is a mess. pci_numaq_init, pci_acpi_init, pci_visws_init and pci_legacy_init are called and each implementation checks and eventually modifies the global variable pcibios_scanned. x86_init functions allow us to do this more elegant. The pci.init function pointer is preset to pci_legacy_init. numaq, acpi and visws can modify the pointer in their early setup functions. The functions return 0 when they did the full initialization including bus scan. A non zero return value indicates that pci_legacy_init needs to be called either because the selected function failed or wants the generic bus scan in pci_legacy_init to happen (e.g. visws). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> LKML-Reference: <43F901BD926A4E43B106BF17856F07559FB80CFE@orsmsx508.amr.corp.intel.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/pci/common.c')
-rw-r--r--arch/x86/pci/common.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index d2552c6..f5770b5 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -72,12 +72,6 @@ struct pci_ops pci_root_ops = {
};
/*
- * legacy, numa, and acpi all want to call pcibios_scan_root
- * from their initcalls. This flag prevents that.
- */
-int pcibios_scanned;
-
-/*
* This interrupt-safe spinlock protects all accesses to PCI
* configuration space.
*/
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