diff options
| author | David S. Miller <davem@davemloft.net> | 2011-12-02 19:49:21 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-02 19:49:21 +0100 |
| commit | b3613118eb30a589d971e4eccbbb2a1314f5dfd4 (patch) | |
| tree | 868c1ee59e1b5c19a4f2e43716400d0001a994e5 /drivers/tty/hvc/hvc_dcc.c | |
| parent | forcedeath: Fix bql support for forcedeath (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-b3613118eb30a589d971e4eccbbb2a1314f5dfd4.tar.xz linux-b3613118eb30a589d971e4eccbbb2a1314f5dfd4.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/tty/hvc/hvc_dcc.c')
| -rw-r--r-- | drivers/tty/hvc/hvc_dcc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c index 435f6facbc23..44fbebab5075 100644 --- 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) |