diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-03 11:29:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-03 11:29:31 -0700 |
| commit | 39da979c98cf7516bc7b2c648ee4aed528eb1f36 (patch) | |
| tree | 93d6cc5690769fd6e4cfc6d35582472714ad71a2 /drivers/tty/serial/8250/8250_mid.c | |
| parent | 70dad4998ee482f08c85c5956765ea6c31da8734 (diff) | |
| parent | c8d192428f52f244130b84650ad616df09f2b1e1 (diff) | |
Merge tag 'tty-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are some small serial driver fixes for 4.8-rc5. One fixes an
oft-reported build issue with the fintek driver, another reverts a
patch that was causing problems, one fixes a crash, and some new
device ids were added.
All of these have been in linux-next for a while"
* tag 'tty-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250: added acces i/o products quad and octal serial cards
serial: 8250_mid: fix divide error bug if baud rate is 0
Revert "tty/serial/8250: use mctrl_gpio helpers"
8250/fintek: rename IRQ_MODE macro
Diffstat (limited to 'drivers/tty/serial/8250/8250_mid.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_mid.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c index 339de9cd0866..20c5db2f4264 100644 --- a/drivers/tty/serial/8250/8250_mid.c +++ b/drivers/tty/serial/8250/8250_mid.c @@ -168,6 +168,9 @@ static void mid8250_set_termios(struct uart_port *p, unsigned long w = BIT(24) - 1; unsigned long mul, div; + /* Gracefully handle the B0 case: fall back to B9600 */ + fuart = fuart ? fuart : 9600 * 16; + if (mid->board->freq < fuart) { /* Find prescaler value that satisfies Fuart < Fref */ if (mid->board->freq > baud) |