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>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 6dff1286ad8a..524b6850b2c0 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -361,6 +361,11 @@ void __init setup_arch(char **cmdline_p)
 
         parse_early_param();
 
+#ifdef CONFIG_PCI
+        if (pci_early_dump_regs)
+                early_dump_pci_devices();
+#endif
+
 #ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
         if (init_ohci1394_dma_early)
                 init_ohci1394_dma_on_all_controllers();