[PATCH RFC v2 5/7] pinctrl: Delete PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS support

Cristian Marussi cristian.marussi at arm.com
Thu Aug 21 01:48:15 PDT 2025


On Sun, Jul 20, 2025 at 02:39:09PM -0500, Dan Carpenter wrote:
> The argument for PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS is supposed to
> be expressed in terms of ohms.  But the pinctrl-scmi driver was
> implementing it the same as PIN_CONFIG_OUTPUT and writing either a
> zero or one to the pin.
> 
> The SCMI protocol doesn't have an support configuration type so just
> delete this code instead of fixing it.

Wouldn't this risk to break any deployed system which already happen to
misuse this ? I am thinking especially of the guys who have actively
developed this driver and the related SCMI server, like EPAM and NXP ?

+CC Peng at NXP

Thanks,
Cristian



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