[PATCH v2 10/16] power: sequencing: pcie-m2: support matching on remote "port" node

Andy Shevchenko andriy.shevchenko at linux.intel.com
Wed Jun 10 07:33:20 PDT 2026


On Wed, Jun 10, 2026 at 04:40:44PM +0800, Chen-Yu Tsai wrote:
> A USB hub can have multiple ports, and this driver needs to
> differentiate which port is being matched to. The USB hub driver now
> associates the "port" node with the usb_port device, so here we can
> use the remote "port" node to check for a match. Then fall back to
> the remote device node for the other connection types.

...

> +		if (remote_port && remote_port == dev_of_node(dev))
> +			return PWRSEQ_MATCH_OK;
>  		if (remote && (remote == dev_of_node(dev)))
>  			return PWRSEQ_MATCH_OK;

We have device_match_of_node() IIRC the name of that API.


-- 
With Best Regards,
Andy Shevchenko





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