x86/PCI: use -DDEBUG when CONFIG_PCI_DEBUG set

We use dev_dbg() in arch/x86/pci, but there's no easy way to turn it
on.  Add -DDEBUG when CONFIG_PCI_DEBUG=y, just like we do in drivers/pci.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index 56d917b556c6..d8a0a6279a4d 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -16,3 +16,7 @@ obj-$(CONFIG_X86_NUMAQ)		+= numaq_32.o
 obj-y                           += common.o early.o
 obj-y                           += amd_bus.o
 obj-$(CONFIG_X86_64)            += intel_bus.o
+
+ifeq ($(CONFIG_PCI_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
+endif