MIPS: NUMA: Remove the unused parent_node() macro

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

The parent_node() macros in both IP27 and Loongson64 are unnecessary.

Remove it for cleanup.

Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/16873/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h
index defd135..3fb7a0e 100644 (file)
--- a/arch/mips/include/asm/mach-ip27/topology.h
+++ b/arch/mips/include/asm/mach-ip27/topology.h
@@ -23,7 +23,6 @@ struct cpuinfo_ip27 {
 extern struct cpuinfo_ip27 sn_cpu_info[NR_CPUS];
 
 #define cpu_to_node(cpu)       (sn_cpu_info[(cpu)].p_nodeid)
-#define parent_node(node)      (node)
 #define cpumask_of_node(node)  ((node) == -1 ?                         \
                                 cpu_all_mask :                         \
                                 &hub_data(node)->h_cpus)

diff --git a/arch/mips/include/asm/mach-loongson64/topology.h b/arch/mips/include/asm/mach-loongson64/topology.h
index 0d8f3b5..bcb8856 100644 (file)
--- a/arch/mips/include/asm/mach-loongson64/topology.h
+++ b/arch/mips/include/asm/mach-loongson64/topology.h
@@ -4,7 +4,6 @@
 #ifdef CONFIG_NUMA
 
 #define cpu_to_node(cpu)       (cpu_logical_map(cpu) >> 2)
-#define parent_node(node)      (node)
 #define cpumask_of_node(node)  (&__node_data[(node)]->cpumask)
 
 struct pci_bus;