[alsa-devel] [PATCH v2 11/12] ASoC: tegra: register dependency parser for firmware nodes

[Mark Brown]

On Mon, Jul 13, 2015 at 02:10:45PM +0200, Tomeu Vizoso wrote:
> On 1 July 2015 at 19:38, Mark Brown <broonie at kernel.org> wrote:
> > On Wed, Jul 01, 2015 at 11:41:06AM +0200, Tomeu Vizoso wrote:

> >> +static void tegra_max98090_get_dependencies(struct fwnode_handle *fwnode,
> >> +                                         struct list_head *deps)
> >> +{
> >> +     add_dependency(fwnode, "nvidia,i2s-controller", deps);
> >> +     add_dependency(fwnode, "nvidia,audio-codec", deps);
> >> +}

> > Why is this all being open coded in an individual driver (we already
> > know about and manage all these dependencies in the core...)?  If we're
> > going to do this I'd expect the interface for specifying DT nodes to the
> > core to be changed to support this.

> Are you thinking of changing drivers to acquire their resources
> through Arnd's devm_probe (only that the resource table would have to
> be in struct device_driver)?

> https://lkml.kernel.org/g/4742258.TBitC3hVuO@wuerfel

No, I'm looking at how we already have all the "did all my dependencies
appear" logic in the core based on data provided by the drivers.
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