x86: usb debug port early console, fix

fix:

 arch/x86/kernel/built-in.o: In function `nvidia_set_debug_port':
 early_printk.c:(.text+0xf8b1): undefined reference to `read_pci_config'
 early_printk.c:(.text+0xf8dc): undefined reference to `write_pci_config'
 arch/x86/kernel/built-in.o: In function `setup_early_printk':
 early_printk.c:(.init.text+0x5487): undefined reference to `early_pci_allowed'
 early_printk.c:(.init.text+0x54cb): undefined reference to `read_pci_config'
 early_printk.c:(.init.text+0x54ec): undefined reference to `read_pci_config_16'
 [...]

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 93422d2ecf61..2a3dfbd5e677 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -46,7 +46,7 @@ config EARLY_PRINTK
 config EARLY_PRINTK_DBGP
         bool "Early printk via EHCI debug port"
         default n
-        depends on EARLY_PRINTK
+        depends on EARLY_PRINTK && PCI
         help
           Write kernel log output directly into the EHCI debug port.