On Wed, 2020-05-20 at 09:56 -0300, Jason Gunthorpe wrote: > On Wed, May 20, 2020 at 12:02:26AM -0700, Jeff Kirsher wrote: > > +static const struct virtbus_dev_id sof_ipc_virtbus_id_table[] = { > > + {"sof-ipc-test"}, > > + {}, > > +}; > > + > > +static struct sof_client_drv sof_ipc_test_client_drv = { > > + .name = "sof-ipc-test-client-drv", > > + .type = SOF_CLIENT_IPC, > > + .virtbus_drv = { > > + .driver = { > > + .name = "sof-ipc-test-virtbus-drv", > > + }, > > + .id_table = sof_ipc_virtbus_id_table, > > + .probe = sof_ipc_test_probe, > > + .remove = sof_ipc_test_remove, > > + .shutdown = sof_ipc_test_shutdown, > > + }, > > +}; > > + > > +module_sof_client_driver(sof_ipc_test_client_drv); > > + > > +MODULE_DESCRIPTION("SOF IPC Test Client Driver"); > > +MODULE_LICENSE("GPL v2"); > > +MODULE_IMPORT_NS(SND_SOC_SOF_CLIENT); > > +MODULE_ALIAS("virtbus:sof-ipc-test"); > > Usually the MODULE_ALIAS happens automatically rhough the struct > virtbus_dev_id - is something missing in the enabling patches? Hi Jason, Without the MODULE_ALIAS, the driver never probes when the virtual bus device is registered. The MODULE_ALIAS is not different from the ones we typically have in the platform drivers. Could you please give me some pointers on what you think might be missing? Thanks, Rajnani