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-rw-r--r--arch/sh/mm/init.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 8173e38afd3..c8af6c5fa58 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -323,4 +323,12 @@ int memory_add_physaddr_to_nid(u64 addr)
}
EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#endif
+
#endif /* CONFIG_MEMORY_HOTPLUG */
+
+#ifdef CONFIG_PMB
+int __in_29bit_mode(void)
+{
+ return !(ctrl_inl(PMB_PASCR) & PASCR_SE);
+}
+#endif /* CONFIG_PMB */