[PATCH -next] x86/trace: uses/depends on PCI

[Randy Dunlap]

From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>

Don't try to build mmiotrace when CONFIG_PCI=n.

next-20080416/kernel/trace/trace_mmiotrace.c: In function 'mmio_print_pcidev':
next-20080416/kernel/trace/trace_mmiotrace.c:62: error: implicit declaration of function 'pci_dev_driver'

Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
---
 arch/x86/Kconfig.debug |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- next-20080416.orig/arch/x86/Kconfig.debug
+++ next-20080416/arch/x86/Kconfig.debug
@@ -186,7 +186,7 @@ config MMIOTRACE_HOOKS
 
 config MMIOTRACE
 	bool "Memory mapped IO tracing"
-	depends on DEBUG_KERNEL
+	depends on DEBUG_KERNEL && PCI
 	select TRACING
 	select MMIOTRACE_HOOKS
 	default y
@@ -194,7 +194,7 @@ config MMIOTRACE
 	  Mmiotrace traces Memory Mapped I/O access and is meant for
 	  debugging and reverse engineering. It is called from the ioremap
 	  implementation and works via page faults. Tracing is disabled by
-	  default and can be enabled run-time.
+	  default and can be enabled at run-time.
 
 	  See Documentation/tracers/mmiotrace.txt.
 	  If you are not helping to develop drivers, say N.
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