Re: [PATCH v8 04/10] spmi: Implement spmi_subdevice_alloc_and_add() and devm variant

[Stephen Boyd]

Quoting AngeloGioacchino Del Regno (2026-01-14 03:27:36)
> Some devices connected over the SPMI bus may be big, in the sense
> that those may be a complex of devices managed by a single chip
> over the SPMI bus, reachable through a single SID.
> 
> Add new functions aimed at managing sub-devices of a SPMI device
> spmi_subdevice_alloc_and_add() and a spmi_subdevice_put_and_remove()
> for adding a new subdevice and removing it respectively, and also
> add their devm_* variants.
> 
> The need for such functions comes from the existence of those
> complex Power Management ICs (PMICs), which feature one or many
> sub-devices, in some cases with these being even addressable on
> the chip in form of SPMI register ranges.
> 
> Examples of those devices can be found in both Qualcomm platforms
> with their PMICs having PON, RTC, SDAM, GPIO controller, and other
> sub-devices, and in newer MediaTek platforms showing similar HW
> features and a similar layout with those also having many subdevs.
> 
> Also, instead of generally exporting symbols, export them with a
> new "SPMI" namespace: all users will have to import this namespace
> to make use of the newly introduced exports.
> 
> Reviewed-by: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx>
> Tested-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> # on SM8650-QRD
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
> ---

Acked-by: Stephen Boyd <sboyd@xxxxxxxxxx>