sh: earlyprintk= support and cleanups.
Allow multiple early printk consoles via earlyprintk=.
With this change earlyprintk is no longer enabled by default,
it must be specified on the kernel command line. Optionally
with ,keep to prevent unreg by tty_io.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/setup.h b/include/asm-sh/setup.h
index d19de7c..34ca8a7 100644
--- a/include/asm-sh/setup.h
+++ b/include/asm-sh/setup.h
@@ -4,5 +4,7 @@
#define COMMAND_LINE_SIZE 256
+int setup_early_printk(char *);
+
#endif /* _SH_SETUP_H */
#endif /* __KERNEL__ */