diff options
Diffstat (limited to 'bsps/shared/dev/serial/z85c30.c')
| -rw-r--r-- | bsps/shared/dev/serial/z85c30.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/bsps/shared/dev/serial/z85c30.c b/bsps/shared/dev/serial/z85c30.c index 55df9d3451..d1f4a6f455 100644 --- a/bsps/shared/dev/serial/z85c30.c +++ b/bsps/shared/dev/serial/z85c30.c @@ -456,6 +456,15 @@ Z85C30_STATIC int z85c30_set_attributes( baud_number = (uint32_t) rtems_termios_baud_to_number( baud_requested ); _Assert( baud_number != 0 ); + /* + * POSIX says baud rate of zero is a request to hang up or disconnect. + * This is not supported by this driver. + */ + _Assert( baud_number != 0 ); + if (baud_number == 0) { + return -1; + } + ulBaudDivisor = Z85C30_Baud( (uint32_t) Console_Port_Tbl[minor]->ulClock, baud_number |