Hi Richard, On 10/11/15 07:55, Ricard Wanderlof wrote: > > On Mon, 9 Nov 2015, Felipe Ferreri Tonello wrote: > >>> while insmodding it works fine, I can't rmmod it because once >>> snd_soc_register_card() has been called, it has a usage count of 2 and >>> thus cannot be rmmod:ed. >> >> You have to unregister that card upon freeing your module. > > But that is precisely the problem. The framework that manages the > insertion and deletion of modules notes that my module has a usage count > that is > 0 (in my case it is 2, which I'm convinced is because the card > has been registered with ALSA), and refuses to free the module. So there > is now way any unregister_card call can be made when my module is freed, > as due to the usage count it would never even be attempted. Do you mean that unbind is never called? Well, the framework should call bind/unbind for each user of your module. How is your architecture? If you use one card for each probe of module then each bind should create one device, right? -- Felipe
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