On 07/02/16 07:11, Greg KH wrote:

quoted

+
+#define SERIAL_NAME "ttyS"

You can't be "ttyS", there's already a serial port named that, please
use a unique name and a new major/minor number (dynamic ideally).

Hi Greg,

I did s/ttyMPS/ttyS per your request for v1 [1]. I'm fine to change it
back if you prefer that, but I'd be glad to know what I've been missing?

[1] https://lkml.org/lkml/2015/12/13/8

Thanks
Vladimir

thanks,

greg k-h