Messages in this thread | | | Subject | Re: [PATCH 3/3] soundwire: bus_type: add sdw_master_device support | From | Pierre-Louis Bossart <> | Date | Mon, 11 May 2020 14:00:11 -0500 |
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>> + md = &bus->md; >> + md->dev.bus = &sdw_bus_type; >> + md->dev.type = &sdw_master_type; >> + md->dev.parent = parent; >> + md->dev.of_node = parent->of_node; >> + md->dev.fwnode = fwnode; >> + md->dev.dma_mask = parent->dma_mask; >> + >> + dev_set_name(&md->dev, "sdw-master-%d", bus->link_id); > > This give nice sdw-master-0. In DT this comes from reg property. I dont > seem to recall if the ACPI/Disco spec treats link_id as unique across > the system, can you check that please, if not we would need to update > this. Table 3 in the Disco for Soundwire 1.0 spec: "all LinkID values are relative to the immediate parent Device."
There isn't any known implementation with more than one controller.
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