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>
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 93422d2..2a3dfbd 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -46,7 +46,7 @@
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.