On Mon, Feb 29, 2016 at 01:47:36PM +0100, Sean Nyekjær wrote: > Hi > > I'm still having some problems with this driver :-( > > I'm using the sc16is750 on an imx6d platform i have tested it with a vanilla > kernel and RT patches applied. > > I have our hardware hooked up to a PC using an ttl ftdi chip, both the > sc16is750 and the ftdi is setup: > $ stty -F /dev/tty[dev] 115200 raw -echo > > From the PC I cat a large file: > $ cat /var/log/pacman.log > /dev/ttyUSB3 > > And on the imx I open and closes cat: > $ cat /dev/ttySC0 > [2014-09-17 08:08] [ALPM-SCRIPTLET] gpg: next trustdb check due at > 2015-03-31 > [2014-09-17 08:08] [PACMAN] upgraded archlinux-keyring (20140220-1 -> > 20140908-1) > [2014-09-17 08:08] [PACMAN] upgraded linux-api-headers (3.14.1-1 -> > 3.16.2-1) > [2014-09-17 08:08] [ALPM] warning: /etc/locale.gen installed as > /etc/locale.gen.pacnew > [2014-09-17 08:08] [ALPM-SCRIPTLET] Generating locales... > [2014-09-17 08:08] [ALPM-SCRIPTLET] en_DK.UTF-8... done > ... > > Waiting for data to flow and closes og repeates again, most of the time data > is flowing perfectly but sometimes the whole datastream is containing > invalid chars: > > $ cat /dev/ttySC0 'cat' is never a good thing to use for serial ports, try using something like minicom or another program that knows it is talking to a serial device. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html