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-rw-r--r--include/linux/ide.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 92129078d4f3..a6dbb51ecd7b 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1501,4 +1501,10 @@ extern struct bus_type ide_bus_type;
#define ide_id_has_flush_cache_ext(id) \
(((id)->cfs_enable_2 & 0x2400) == 0x2400)
+static inline int hwif_to_node(ide_hwif_t *hwif)
+{
+ struct pci_dev *dev = hwif->pci_dev;
+ return dev ? pcibus_to_node(dev->bus) : -1;
+}
+
#endif /* _IDE_H */