Peter De Schrijver wrote at Friday, October 28, 2011 2:18 AM:
> On Thu, Oct 27, 2011 at 09:59:49PM +0200, Stephen Warren wrote:
> > Peter De Schrijver wrote at Tuesday, October 25, 2011 10:54 AM:
> > > This patch modifies the pinmux code to be useable for multiple tegra variants.
> > > Some tegra20 specific constants will be replaced by variables which will be
> > > initialized to the appropriate value at runtime.
...
> > > @@ -668,11 +668,24 @@ void tegra_pinmux_config_pullupdown_table(const struct tegra_pingroup_config *co
> > > }
> > > }
> > >
> > > +static struct of_device_id tegra_pinmux_of_match[] __devinitdata = {
> > > + { .compatible = "nvidia,tegra20-pinmux", tegra20_pinmux_init },
> > > + { },
> > > +};
> > > +
> > > static int __devinit tegra_pinmux_probe(struct platform_device *pdev)
> > > {
> > > struct resource *res;
> > > int i;
> > > int config_bad = 0;
> > > + const struct of_device_id *match;
> > > +
> > > +#ifdef CONFIG_OF
> > > + match = of_match_device(tegra_pinmux_of_match, &pdev->dev);
> >
> > What if match==NULL? I suppose that "can't" happen with DT, since the
> > device wouldn't have been probed unless there was a matching entry...
>
> Exactly. That was my reasoning as well. We can't get here unless there is a
> match.
>
> > Does this work when booting without DT; IIRC the internal patches I saw
> > fell back to hard-coding a call to tegra20_pinmux_init() when booting
> > a static board file (i.e. not booting device-tree)? Perhaps that's in a
>
> Unfortunately I don't have a tegra20 board which is supported without
> devicetree.
Oh, that's quite unfortunate. Still, you need to write the code so it's
expected to work for the non-DT case. Once you've fixed this, if you
push a complete branch somewhere, I can boot-test it on a few non-DT
boards. Hopefully I can test on Cardhu too.
--
nvpublic
--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
