I see, now it's falling into place. Still more questions to come but I can see the way forward. Thanks On Wed, Nov 16, 2016 at 6:28 PM, Samuel Thibault < samuel.thibault@xxxxxxxxxxxx> wrote: > Okash Khawaja, on Wed 16 Nov 2016 10:03:32 +0000, wrote: > > However, I am not sure about what the new > > implmentation of serial_out() et el will look like. > > It will call tty->ops->write(), typically. > > > Also, I understand speakup being a line discipline and the challenges > involved > > in creating device file and assigning speakup ldisc to it. But don't > know how > > it ties with it this work. > > That's what will produce the 'tty' pointer. > > > And how it facilitates comms with USB, PCI etc. > > It will bring them for free: opening ttyS0 will open whatever serial > port appears as ttyS0 in Linux, be it ISA or PCI. Opening ttyUSB0 will > open whatever USB serial port which appears as ttyUSB0. > > > Perhaps we can come back to that later and start with the refactor first. > > Yes, the refactor can be done first. The tty initialization will however > come immediately after, to replace the outb() of serial_out() with > tty->ops->write(). > > Samuel > _______________________________________________ Speakup mailing list Speakup@xxxxxxxxxxxxxxxxx http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup
