sh: Handle early ioremaps through fixed mappings.

This adds in a mem_init_done to work out when a standard ioremap() is
possible, falling back to the fixmap based ioremap otherwise.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 017e0c1807b2..a522e5d8f44f 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -101,6 +101,9 @@ struct seq_operations;
 
 extern struct pt_regs fake_swapper_regs;
 
+/* arch/sh/mm/init.c */
+extern unsigned int mem_init_done;
+
 /* arch/sh/kernel/setup.c */
 const char *get_cpu_subtype(struct sh_cpuinfo *c);
 extern const struct seq_operations cpuinfo_op;