Re: Simple UART driver help and TTY questions

[Jiri Slaby]

On 08/06/2008 11:46 PM, Ira Snyder wrote:
> On Wed, Aug 06, 2008 at 11:11:00PM +0200, Jiri Slaby wrote:
> > conOn 08/05/2008 06:33 PM, Ira Snyder wrote:
> > > static void tiny_config_port(struct uart_port *port, int flags)
> > > {
> > > 	FUNC_ENTER();
> >         if (flags & UART_CONFIG_TYPE)
> >                 port->type = PORT_16550A;
> >
> > > }
> > According to the straces, you get -EIO from ioctl and read which most 
> > likely means TTY_IO_ERROR bit set due to tiny_port->type = PORT_UNKNOWN 
> > (i.e. 0). Try the above.
>
> Not quite, but it got me on the right track. I needed to set port->type
> before calling uart_add_one_port().

Ah,
.flags          = ASYNC_BOOT_AUTOCONF
I guess?

+ I'm sure you will need to set up more entries of your uart_port structure.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/