Create an empty stub, to be populated by firmware methods, to
retrieve the NUMA node for a given pci_bus. No functional change
introduced.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieral...@arm.com>
Cc: Bjorn Helgaas <bhelg...@google.com>
---
drivers/pci/pci.c | 6 ++++++
include/linux/pci.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 7904d02..2de9162 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -12,6 +12,7 @@
#include <linux/delay.h>
#include <linux/dmi.h>
#include <linux/init.h>
+#include <linux/numa.h>
#include <linux/of.h>
#include <linux/of_pci.h>
#include <linux/pci.h>
@@ -5235,6 +5236,11 @@ int pci_bus_find_domain_nr(struct pci_bus *bus, struct
device *parent)
#endif
#endif
+int pci_bus_find_numa_node(struct pci_bus *bus)
+{
+ return NUMA_NO_NODE;
+}
+
/**
* pci_ext_cfg_avail - can we access extended PCI config space?
*
diff --git a/include/linux/pci.h b/include/linux/pci.h
index eb3da1a..9e62462 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1481,6 +1481,7 @@ static inline int acpi_pci_bus_find_domain_nr(struct
pci_bus *bus)
#endif
int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent);
#endif
+int pci_bus_find_numa_node(struct pci_bus *bus);
/* some architectures require additional setup to direct VGA traffic */
typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode,
--
2.10.0
