From 31d3cc774e9124f10d3ed2ea144a6e232e93e822 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 05:22:47 +0200 Subject: Adding upstream version 6.1.85. Signed-off-by: Daniel Baumann --- drivers/tty/serial/serial_core.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/tty/serial/serial_core.c') diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index f0ed30d0a..fe3f1d655 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2561,7 +2561,12 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, port->type = PORT_UNKNOWN; flags |= UART_CONFIG_TYPE; } + /* Synchronize with possible boot console. */ + if (uart_console(port)) + console_lock(); port->ops->config_port(port, flags); + if (uart_console(port)) + console_unlock(); } if (port->type != PORT_UNKNOWN) { @@ -2569,6 +2574,10 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, uart_report_port(drv, port); + /* Synchronize with possible boot console. */ + if (uart_console(port)) + console_lock(); + /* Power up port for set_mctrl() */ uart_change_pm(state, UART_PM_STATE_ON); @@ -2585,6 +2594,9 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, uart_rs485_config(port); + if (uart_console(port)) + console_unlock(); + /* * If this driver supports console, and it hasn't been * successfully registered yet, try to re-register it. -- cgit v1.2.3