On Tue, Jun 04, 2019 at 02:59:02AM +0300, Dmitry Osipenko wrote:
> static int generic_coupler_attach(struct regulator_coupler *coupler,
> struct regulator_dev *rdev)
> {
> + /*
> + * Generic coupler isn't suitable for NVIVIA Tegra SoC's, at least
> + * for now. Hence filter out the unwanted regulators as they shall be
> + * managed by a platform-specific coupler.
> + */
> + if (of_property_read_bool(rdev->dev.of_node, "tegra-core-regulator") ||
> + of_property_read_bool(rdev->dev.of_node, "tegra-rtc-regulator") ||
> + of_property_read_bool(rdev->dev.of_node, "tegra-cpu-regulator"))
> + return -EPERM;
> +
I'm having a hard time loving this as it requires explicit DT changes
for implementation. I'm thinking that since the couplers are going to
need to be built in it'd be better to make sure that any custom ones get
registered first and then only bind the generic coupler to anything they
reject.
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