diff options
Diffstat (limited to 'src/soc/broadcom/cygnus/ns16550.c')
| -rw-r--r-- | src/soc/broadcom/cygnus/ns16550.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/soc/broadcom/cygnus/ns16550.c b/src/soc/broadcom/cygnus/ns16550.c index 71a4cb08ef..aa9dd2d818 100644 --- a/src/soc/broadcom/cygnus/ns16550.c +++ b/src/soc/broadcom/cygnus/ns16550.c @@ -84,8 +84,10 @@ static int ns16550_tst_byte(void) static unsigned char ns16550_rx_byte(void) { unsigned long int i = SINGLE_CHAR_TIMEOUT; - while (i-- && !ns16550_tst_byte()) + while (i && !ns16550_tst_byte()) { udelay(1); + i--; + } if (i) return read32(®s->rbr); else |