From 6bf27559ec882c9efc4b616d92538169086e652e Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Tue, 25 Oct 2011 19:19:43 -0700 Subject: [PATCH] --- yaml --- r: 275775 b: refs/heads/master c: c2a3e84f950e7ddba1f3914b005861d46ae60359 h: refs/heads/master i: 275773: dbca8ea273ccdad23cb7db2e8d58924532e67bf7 275771: c6353eaadc3cc1547ccfdf4ac689b4a415e721e8 275767: eedce2cee36eb320c54aabff5364afcad1517681 275759: 53751d848a9fd62cd088ac1afb4e00e8f43ae8ee 275743: b51c380a229423b9e6769e2b843d826cc2d94eaa 275711: f6f7b8a91e82be607507eac8ad791d03c7c714c5 v: v3 --- [refs] | 2 +- trunk/drivers/tty/hvc/hvc_dcc.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 8f2f2e423f9a..57aab167a107 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 52b3bfc69efc44447ed2db25dd999aef64b3c970 +refs/heads/master: c2a3e84f950e7ddba1f3914b005861d46ae60359 diff --git a/trunk/drivers/tty/hvc/hvc_dcc.c b/trunk/drivers/tty/hvc/hvc_dcc.c index 435f6facbc23..44fbebab5075 100644 --- a/trunk/drivers/tty/hvc/hvc_dcc.c +++ b/trunk/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)