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SubjectRe: [PATCH 1/3] regulator: max14577: Add proper dt-compatible strings
On Thu, Feb 20, 2020 at 03:51:25PM +0100, Marek Szyprowski wrote:
> Add device tree compatible strings and create proper modalias structures
> to let this driver load automatically if compiled as module, because
> max14577 MFD driver creates MFD cells with such compatible strings.

> +static const struct of_device_id of_max14577_regulator_dt_match[] = {
> + { .compatible = "maxim,max77836-regulator",
> + .data = (void *)MAXIM_DEVICE_TYPE_MAX77836, },
> + { .compatible = "maxim,max14577-regulator",
> + .data = (void *)MAXIM_DEVICE_TYPE_MAX14577, },

Why would we want to encode the particular way Linux happens to
represent regulators on a MFD into the DT binding? It's not clear that
this is a generic thing (another OS might choose to have a separate
object for each regulator with no parent for example) and the compatible
isn't adding any information we didn't have already knowing about the
parent device.
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