Messages in this thread | | | Date | Tue, 21 Feb 2023 13:50:53 +0200 | From | Andy Shevchenko <> | Subject | Re: [PATCH v12 05/10] drm/bridge: anx7625: Check for Type-C during panel registration |
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On Tue, Feb 21, 2023 at 05:50:49PM +0800, Pin-yen Lin wrote: > The output port endpoints can be connected to USB-C connectors. > Running drm_of_find_panel_or_bridge() with such endpoints leads to > a continuous return value of -EPROBE_DEFER, even though there is > no panel present. > > To avoid this, check for the existence of a "mode-switch" property in > the port endpoint, and skip panel registration completely if so.
...
> + port_node = of_graph_get_port_by_id(np, 1); > + fwnode_for_each_typec_mode_switch(&port_node->fwnode, fwnode) { > + fwnode_handle_put(fwnode); > + return 0; > + }
With the proposed count API:
unsigned int count; ... port_node = ... count = typec_mode_switch_node_count(&port_node->fwnode); if (count == 0) return 0;
-- With Best Regards, Andy Shevchenko
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