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

Chen-Yu Tsai wenst at chromium.org
Fri Jun 12 02:12:01 PDT 2026


On Wed, Jun 10, 2026 at 11:33 PM Andy Shevchenko
<andriy.shevchenko at linux.intel.com> wrote:
>
> 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.

Ack. Will also replace the existing instance.



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