Merge branch 'for-linus' of git://neil.brown.name/md

[pandora-kernel.git] / drivers / tty / hvc / hvc_dcc.c

diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 435f6fa..44fbeba 100644 (file)
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -46,6 +46,7 @@ static inline char __dcc_getchar(void)
 
        asm volatile("mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
                : "=r" (__c));
+       isb();
 
        return __c;
 }
@@ -55,6 +56,7 @@ static inline void __dcc_putchar(char c)
        asm volatile("mcr p14, 0, %0, c0, c5, 0 @ write a char"
                : /* no output register */
                : "r" (c));
+       isb();
 }
 
 static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)