From 32a2eea795643929a43cbbba00d8c4a176b309bf Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 11 Oct 2007 16:57:27 -0400 Subject: PCI: Add 'nodomains' boot option, and pci_domains_supported global * Introduce pci_domains_supported global, hardcoded to zero if !CONFIG_PCI_DOMAINS. * Introduce 'nodomains' boot option, which clears pci_domains_supported on platforms that enable it by default (x86, x86-64, and others when they are converted to use this). Signed-off-by: Jeff Garzik Cc: Andi Kleen Signed-off-by: Greg Kroah-Hartman --- include/linux/pci.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'include/linux') diff --git a/include/linux/pci.h b/include/linux/pci.h index 038a0dc7273a..768b93359f90 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -685,13 +685,16 @@ extern void pci_unblock_user_cfg_access(struct pci_dev *dev); * a PCI domain is defined to be a set of PCI busses which share * configuration space. */ -#ifndef CONFIG_PCI_DOMAINS +#ifdef CONFIG_PCI_DOMAINS +extern int pci_domains_supported; +#else +enum { pci_domains_supported = 0 }; static inline int pci_domain_nr(struct pci_bus *bus) { return 0; } static inline int pci_proc_domain(struct pci_bus *bus) { return 0; } -#endif +#endif /* CONFIG_PCI_DOMAINS */ #else /* CONFIG_PCI is not enabled */ -- cgit v1.2.3