xtensa: fix compilation somewhat

* ->put_char changes
 * HIGHMEM is bogus it seems, there is no kmap_atomic() et al
 * some includes

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Chris Zankel <zankel@tensilica.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index efed8897bef3..25d46c84eb08 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -140,16 +140,14 @@ static void rs_poll(unsigned long priv)
 }
 
 
-static void rs_put_char(struct tty_struct *tty, unsigned char ch)
+static int rs_put_char(struct tty_struct *tty, unsigned char ch)
 {
         char buf[2];
 
-        if (!tty)
-                return;
-
         buf[0] = ch;
         buf[1] = '\0';          /* Is this NULL necessary? */
         __simc (SYS_write, 1, (unsigned long) buf, 1, 0, 0);
+        return 1;
 }
 
 static void rs_flush_chars(struct tty_struct *tty)