[PATCH v2 6/7] tile/topology: Remove the unused parent_node() macro

[Dou Liyang]

Commit a7be6e5a7f8d ("mm: drop useless local parameters of
__register_one_node()") removes the last user of parent_node().

The parent_node() macro in tile platform is unnecessary.

Remove it for cleanup.

Reported-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Dou Liyang <douly.fnst@xxxxxxxxxxxxxx>
Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxxxx>
---
 arch/tile/include/asm/topology.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/tile/include/asm/topology.h b/arch/tile/include/asm/topology.h
index b11d5fc..635a0a4 100644
--- a/arch/tile/include/asm/topology.h
+++ b/arch/tile/include/asm/topology.h
@@ -29,12 +29,6 @@ static inline int cpu_to_node(int cpu)
 	return cpu_2_node[cpu];
 }
 
-/*
- * Returns the number of the node containing Node 'node'.
- * This architecture is flat, so it is a pretty simple function!
- */
-#define parent_node(node) (node)
-
 /* Returns a bitmask of CPUs on Node 'node'. */
 static inline const struct cpumask *cpumask_of_node(int node)
 {
-- 
2.5.5