On 11/16/2011 05:02 AM, Rajendra Nayak wrote: > console device on OMAP is never reset or idled by hwmod post > initial setup, early during boot, for obvious reasons not to > break early debug prints thrown on console. > This leaves the console device enabled at boot and the first activation > of it using hwmod needs to be handled in such a way that a disable is > called followed by an enable of the hwmod, the subsequent activations > can then use the default activation technique. > > To handle this add a new binding to identify a hwmod which is used as > the console device. > > This patch is based on the what is done in serial.c for non-DT builds. > > Signed-off-by: Rajendra Nayak <rnayak@xxxxxx> > --- > .../devicetree/bindings/arm/omap/omap.txt | 1 + > arch/arm/plat-omap/omap_device.c | 33 +++++++++++++++++++- > 2 files changed, 33 insertions(+), 1 deletions(-) > > diff --git a/Documentation/devicetree/bindings/arm/omap/omap.txt b/Documentation/devicetree/bindings/arm/omap/omap.txt > index dbdab40..46ffd41 100644 > --- a/Documentation/devicetree/bindings/arm/omap/omap.txt > +++ b/Documentation/devicetree/bindings/arm/omap/omap.txt > @@ -21,6 +21,7 @@ Required properties: > Optional properties: > - ti,no_idle_on_suspend: When present, it prevents the PM to idle the module > during suspend. > +- ti,console_hwmod: boolean, identifies the hwmod used as console device > This doesn't seem right. Which console is not a h/w property. Why can't you use aliases like other platforms are doing? Also, it's not clear in the documentation where this (and ti,no_idle_on_suspend) should go in the DT. Both seem like they should be kernel cmdline params. Rob -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
