PCI: Uninline PCI bus accessors for better ftracing

The PCI bus config accessors could be inlined into other accessor
functions, which makes it so they can't be traced.  Force them to never be
inlined so that ftrace can hook into these functions.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/access.c

@@ -33,7 +33,7 @@ DEFINE_RAW_SPINLOCK(pci_lock);
 #endif
 
 #define PCI_OP_READ(size, type, len) \
-int pci_bus_read_config_##size \
+int noinline pci_bus_read_config_##size \
 	(struct pci_bus *bus, unsigned int devfn, int pos, type *value)	\
 {									\
 	int res;							\
@@ -48,7 +48,7 @@ int pci_bus_read_config_##size \
 }
 
 #define PCI_OP_WRITE(size, type, len) \
-int pci_bus_write_config_##size \
+int noinline pci_bus_write_config_##size \
 	(struct pci_bus *bus, unsigned int devfn, int pos, type value)	\
 {									\
 	int res;							\