x86/mmiotrace: uses/depends on PCI

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@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index b28ace2be1a..1e53df0ba08 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -173,7 +173,7 @@ 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
@@ -181,7 +181,7 @@ 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.