diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/clients/drm_log.c | 4 | ||||
| -rw-r--r-- | drivers/tty/Kconfig | 19 | ||||
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 6 |
3 files changed, 23 insertions, 6 deletions
diff --git a/drivers/gpu/drm/clients/drm_log.c b/drivers/gpu/drm/clients/drm_log.c index 379850c83e51..d239f1e3c456 100644 --- a/drivers/gpu/drm/clients/drm_log.c +++ b/drivers/gpu/drm/clients/drm_log.c @@ -323,7 +323,7 @@ static int drm_log_client_suspend(struct drm_client_dev *client, bool _console_l { struct drm_log *dlog = client_to_drm_log(client); - console_stop(&dlog->con); + console_suspend(&dlog->con); return 0; } @@ -332,7 +332,7 @@ static int drm_log_client_resume(struct drm_client_dev *client, bool _console_lo { struct drm_log *dlog = client_to_drm_log(client); - console_start(&dlog->con); + console_resume(&dlog->con); return 0; } diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig index 63a494d36a1f..7fb81bbaee60 100644 --- a/drivers/tty/Kconfig +++ b/drivers/tty/Kconfig @@ -383,7 +383,24 @@ config NULL_TTY available or desired. In order to use this driver, you should redirect the console to this - TTY, or boot the kernel with console=ttynull. + TTY, boot the kernel with console=ttynull, or enable + NULL_TTY_DEFAULT_CONSOLE. + + If unsure, say N. + +config NULL_TTY_DEFAULT_CONSOLE + bool "Support for console on ttynull" + depends on NULL_TTY=y && !VT_CONSOLE + help + Say Y here if you want the NULL TTY to be used as a /dev/console + device by default. + + For example, it might be useful to prevent a VT-less kernel from + writing the system log to a random device connected to the serial + port. + + Another console driver still might get preferred via the command + line, SPCR, or the device tree. If unsure, say N. diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 92f7e752f862..d46650e578e5 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2426,10 +2426,10 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) } /* - * Disable the console device before suspending. + * Suspend the console device before suspending the port. */ if (uart_console(uport)) - console_stop(uport->cons); + console_suspend(uport->cons); uart_change_pm(state, UART_PM_STATE_OFF); @@ -2484,7 +2484,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) uart_port_unlock_irq(uport); } if (console_suspend_enabled) - console_start(uport->cons); + console_resume(uport->cons); } if (tty_port_suspended(port)) { |