Messages in this thread | | | Date | Fri, 20 Apr 2018 08:13:16 +0200 | From | Uwe Kleine-König <> | Subject | Re: [PATCH] serial: imx: enable IMX21_UCR3_RXDMUXSEL for non-dte-mode |
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Hello Chris,
On Fri, Apr 20, 2018 at 09:07:59AM +0800, Chris Ruehl wrote: > Fix a problem introduced with > commit e61c38d85b73 ("serial: imx: setup DCEDTE early and ensure DCD and RI irqs to be off") > result in non dte-mode imx-uart fail receive data. > By add back IMX21_UCR3_RXDMUXSEL the serial port works as expected. > > Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk> > --- > drivers/tty/serial/imx.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c > index 91f3a1a..3d09933 100644 > --- a/drivers/tty/serial/imx.c > +++ b/drivers/tty/serial/imx.c > @@ -1391,7 +1391,7 @@ static int imx_uart_startup(struct uart_port *port) > > ucr3 = imx_uart_readl(sport, UCR3); > > - ucr3 |= UCR3_DTRDEN | UCR3_RI | UCR3_DCD; > + ucr3 |= IMX21_UCR3_RXDMUXSEL | UCR3_DTRDEN | UCR3_RI | UCR3_DCD; > > if (sport->dte_mode) > /* disable broken interrupts */
Doesn't 6df765dca378bddf994cfd2044acafa501bd800f fix this for you?
Best regards Uwe
-- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
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