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| author |   Sudhir Sreedharan <ssreedharan@mvista.com> | 2014-09-22 12:00:22 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-28 21:49:48 -0400 |
| commit | a86713b1536c818972675e6dd8c6e738f0379f1d (patch) | |
| tree | e1cbfdd7711b08f77542b2133fdc45400428c775 /drivers/tty/serial/serial_core.c | |
| parent | serial: asc: Conditionally use readl_relaxed (COMPILE_TEST) (diff) | |
| download | linux-dev-a86713b1536c818972675e6dd8c6e738f0379f1d.tar.xz linux-dev-a86713b1536c818972675e6dd8c6e738f0379f1d.zip | |
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: Sudhir Sreedharan <ssreedharan@mvista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index df3a8c74358e..e7d9d65095da 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2606,6 +2606,9 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) if (uport->cons && uport->dev) 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); num_groups = 2; |