Hi,
I discovered a bug in the patch that I put two years ago … .
Thx to the kernel 4.1, It was easy to fix the bug :
http://lxr.free-electrons.com/source/drivers/tty/serial/omap-serial.c#L374
Robert, can you add this patch for the beaglebone black ? it works well for me !
0001-modified-drivers-tty-serial-omap-serial.c.patch (5.46 KB)