Hello, On Wed, Sep 05, 2018 at 09:24:26AM +0800, Anson Huang wrote: > In noirq suspend/resume stage with no_console_suspend enabled, > imx_uart_console_write() may be called to print out log_buf > message by printk(), so there will be race condition between > imx_uart_console_write() and imx_uart_save/restore_context(), > need to add lock to protect the registers save/restore operations. > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> > --- > drivers/tty/serial/imx.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c > index 239c0fa..c15332d 100644 Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> Thanks Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
