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| author | Arnd Bergmann <arnd@arndb.de> | 2011-11-29 14:50:17 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-11-29 14:50:17 +0000 |
| commit | 98014be39bda8277a5ad130bb274ed6eb18b74df (patch) | |
| tree | 974620a47c9350ff9b3c06ffd2b49470bbda72ab /drivers/tty/hvc/hvc_dcc.c | |
| parent | 55135dfbf3dd83cb3e98deed8271b62d188404e1 (diff) | |
| parent | 6e2a587eb99267367409097b70cb2d61b09e5269 (diff) | |
Merge branch 'defconfigs-for-arnd' of git://git.linaro.org/people/triad/linux-stericsson into fixes
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) |