diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-08-27 17:06:28 -0400 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-08-27 17:06:28 -0400 |
| commit | 04cf420bbc32a599aa2481725f708435ea19bf3d (patch) | |
| tree | 232b7a3c36adc63c92ca60ec39ed5f031c2e5c53 /drivers/tty/serial/serial_core.c | |
| parent | 67733d7a71503fd3e32eeada371f8aa2516c5c95 (diff) | |
| parent | e55ef65510a401862b902dc979441ea10ae25c61 (diff) | |
Merge drm/drm-next into drm-intel-next
Need to take some Xe bo definition in here before
we can add the BMG display 64k aligned size restrictions.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 9a18d0b95a41..5bea3af46abc 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -881,6 +881,14 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port, new_flags = (__force upf_t)new_info->flags; old_custom_divisor = uport->custom_divisor; + if (!(uport->flags & UPF_FIXED_PORT)) { + unsigned int uartclk = new_info->baud_base * 16; + /* check needs to be done here before other settings made */ + if (uartclk == 0) { + retval = -EINVAL; + goto exit; + } + } if (!capable(CAP_SYS_ADMIN)) { retval = -EPERM; if (change_irq || change_port || |