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Commit a86713b1 authored by Sudhir Sreedharan's avatar Sudhir Sreedharan Committed by Greg Kroah-Hartman
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serial/core: Initialize the console pm state 



For console devices having UART_CAP_SLEEP capability, the uart_pm_state has
to be initialized to UART_PM_STATE_ON. Otherwise the LCR regiser values
are reinitialized when uart_change_pm is called from uart_configure_port.

Signed-off-by: default avatarSudhir Sreedharan <ssreedharan@mvista.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent daea65a7

drivers/tty/serial/serial_core.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -2606,6 +2606,9 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) 
	if (uport->cons && uport->dev)

	if (uport->cons && uport->dev)

		of_console_check(uport->dev->of_node, uport->cons->name, uport->line);

		of_console_check(uport->dev->of_node, uport->cons->name, uport->line);





	if (uart_console(uport))

		state->pm_state = UART_PM_STATE_ON;



	uart_configure_port(drv, state, uport);

	uart_configure_port(drv, state, uport);





	num_groups = 2;

	num_groups = 2;