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authorYinghai Lu <yhlu.kernel@gmail.com>2008-05-22 14:35:11 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2008-06-10 10:59:52 -0700
commite3f2baebf4209b5927e23fa65d5977d31db936b3 (patch)
tree2f5b9850f13f0ce1cefcf1ba5144933f4bb93470 /arch/x86/pci/common.c
parente7891c733f9b26c851edde50cf886a30bd133dbd (diff)
PCI/x86: early dump pci conf space v2
Allows us to dump PCI space before any kernel changes have been made. Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/x86/pci/common.c')
-rw-r--r--arch/x86/pci/common.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 3a5261bdff5..d19fd07bafd 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -20,6 +20,7 @@
unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
PCI_PROBE_MMCONF;
+unsigned int pci_early_dump_regs;
static int pci_bf_sort;
int pci_routeirq;
int pcibios_last_bus = -1;
@@ -511,6 +512,9 @@ char * __devinit pcibios_setup(char *str)
} else if (!strcmp(str, "use_crs")) {
pci_probe |= PCI_USE__CRS;
return NULL;
+ } else if (!strcmp(str, "earlydump")) {
+ pci_early_dump_regs = 1;
+ return NULL;
} else if (!strcmp(str, "routeirq")) {
pci_routeirq = 1;
return NULL;