Hello Mika, On Tue, May 09, 2017 at 07:18:09AM +0300, Mika Penttilä wrote: > The following commit e61c38d85b7 makes the uarts on i.MX6 nonfunctional (no > data transmitted or received). > With e61c38d85b7 reverted the uarts work ok. > > ------------------- > commit e61c38d85b7392e033ee03bca46f1d6006156175 > Author: Uwe Kleine-König <u.kleine-koe...@pengutronix.de> > Date: Tue Apr 4 11:18:51 2017 +0200 > > serial: imx: setup DCEDTE early and ensure DCD and RI irqs to be off > > --------------------
are you operating the UART in DTE or DCE mode? Does this affect all UARTs or only those that are not used in the bootloader? Looking at the patch I wonder if setting IMX21_UCR3_RXDMUXSEL | UCR3_ADNIMP is missing for you. Can you please check which hunk of e61c38d85b73 is giving you problems? Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
