Re: [PATCH v3 1/4] i2c: mux-pinctrl: Rework to honor disabled child nodes

From: Sebastian Hesselbarth
Date: Mon Mar 16 2015 - 16:15:42 EST

On 10.03.2015 17:28, Stephen Warren wrote:
On 03/09/2015 06:21 AM, Sebastian Hesselbarth wrote:
I2C mux pinctrl driver currently determines the number of sub-busses by
counting available pinctrl-names. Unfortunately, this requires each
incarnation of the devicetree node with different available sub-busses
to be rewritten.

This patch reworks i2c-mux-pinctrl driver to count the number of
available sub-nodes instead. The rework should be compatible to the old
way of probing for sub-busses and additionally allows to disable unused
sub-busses with standard DT property status = "disabled".

This also amends the corresponding devicetree binding documentation to
reflect the new functionality to disable unused sub-nodes. While at it,
also fix two references to binding documentation files that miss an

The DT binding changes at least,
Acked-by: Stephen Warren <swarren@xxxxxxxxxx>


are you going to pick this patch through your tree now that Stephen
ack'ed the binding documentation change, too?

I can also split the patch up into driver/doc changes if you prefer.

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