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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-06-24 22:42:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-27 14:44:20 +0200 |
| commit | ae50bb2752836277ae15aa4e9d99074d6d947946 (patch) | |
| tree | 935bd66924d8dabba38e7e4e88893150a348d9f2 /drivers/tty/serial/mcf.c | |
| parent | serial: 8250_lpss: Use 32-bit reads (diff) | |
| download | linux-ae50bb2752836277ae15aa4e9d99074d6d947946.tar.xz linux-ae50bb2752836277ae15aa4e9d99074d6d947946.zip | |
serial: take termios_rwsem for ->rs485_config() & pass termios as param
To be able to alter ADDRB within ->rs485_config(), take termios_rwsem
before calling ->rs485_config() and pass termios.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220624204210.11112-5-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/mcf.c')
| -rw-r--r-- | drivers/tty/serial/mcf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c index 036f178e3d66..73c5287b8e5e 100644 --- a/drivers/tty/serial/mcf.c +++ b/drivers/tty/serial/mcf.c @@ -431,7 +431,8 @@ static int mcf_verify_port(struct uart_port *port, struct serial_struct *ser) /****************************************************************************/ /* Enable or disable the RS485 support */ -static int mcf_config_rs485(struct uart_port *port, struct serial_rs485 *rs485) +static int mcf_config_rs485(struct uart_port *port, struct ktermios *termios, + struct serial_rs485 *rs485) { unsigned char mr1, mr2; |