Re: [PATCH] tty: 8250: handle USR for DesignWare 8250 with correct accessors

[Jamie Iles <jamie@jamieiles.com>]

On Fri, Jun 10, 2011 at 02:57:24PM +0100, Alan Cox wrote:
> > I found this series from Alan 
> > (http://www.spinics.net/lists/linux-serial/msg03484.html) which looks 
> > like it would do the job if we added the extra irq callback.  Ideally
> > we just remove both of the UPIO_DWAPB and UPIO_DWAPB32 and let the
> > platform specify the ops.
> 
> I've not yet had time to go back and revisit those patches and debug
> them so they actually work but as and when someone gets time I think
> it's the right basic path to follow, and the irq callback looks
> sensible too.

As an intermediate step, how about adding the irq callback to 
uart_8250_port and removing UPIO_DWAPB and UPIO_DWAPB32 from the driver?  

Jamie