On Fri, Mar 28, 2014 at 11:08 AM, Grant Likely <[email protected]> wrote:
> Hi all,
>
> This is a series that I've been playing with over the last few days to
> clean up the selection of default console devices when using the device
> tree. The device tree defines a way of specifying the console by using a
> "stdout-path" property in the /chosen node, but very few drivers
> actually attempt to use that data, and so for most platforms there needs
> to be a "console=" line in the command line if a serial port is intended
> to be used as the console.
>
> With this series, if there is a /chosen/stdout-path property, and if
> that property points to a serial port node, then when the serial driver
> registers the port, the core uart_add_one_port() function will notice
> and if no console= argument was provided then add it as a preferred
> console.
>
> I've not tested this very extensively yet, but I want to get some
> feedback before I go further.
>
> The one downside with this approach is that it doesn't do anything for
> early console setup. That still needs to be added on a per-driver basis,
> but at least it shouldn't conflict with this approach.
Hey, what happened with this series?
Rob
On Wed, 11 Jun 2014 20:28:31 -0500, Rob Herring <[email protected]> wrote:
> On Fri, Mar 28, 2014 at 11:08 AM, Grant Likely <[email protected]> wrote:
> > Hi all,
> >
> > This is a series that I've been playing with over the last few days to
> > clean up the selection of default console devices when using the device
> > tree. The device tree defines a way of specifying the console by using a
> > "stdout-path" property in the /chosen node, but very few drivers
> > actually attempt to use that data, and so for most platforms there needs
> > to be a "console=" line in the command line if a serial port is intended
> > to be used as the console.
> >
> > With this series, if there is a /chosen/stdout-path property, and if
> > that property points to a serial port node, then when the serial driver
> > registers the port, the core uart_add_one_port() function will notice
> > and if no console= argument was provided then add it as a preferred
> > console.
> >
> > I've not tested this very extensively yet, but I want to get some
> > feedback before I go further.
> >
> > The one downside with this approach is that it doesn't do anything for
> > early console setup. That still needs to be added on a per-driver basis,
> > but at least it shouldn't conflict with this approach.
>
> Hey, what happened with this series?
Ummm... I got distracted and forgot about it? I merged the first patch
that adds stdout-path parsing, but the rest are still sitting in a side
branch. I'll dust them off and rebase onto current mainline.
g.