Hello, I found a bug in the driver nau8821. When removing the module, I got a warning: [ 64.226442] nau8821 0-0010: remove [ 64.227621] ------------[ cut here ]------------ [ 64.227918] WARNING: CPU: 5 PID: 243 at kernel/irq/devres.c:144 devm_free_irq+0x80/0x8c [ 64.235307] Call trace: [ 64.235501] devm_free_irq+0x80/0x8c [ 64.235746] nau8821_i2c_remove+0x28/0x3c [snd_soc_nau8821] [ 64.236982] i2c_device_remove+0xcc/0xf8 [ 64.237173] device_release_driver_internal+0x208/0x368 [ 64.237406] driver_detach+0xd8/0x12c [ 64.237583] bus_remove_driver+0x90/0xd0 [ 64.237768] driver_unregister+0x3c/0x6c [ 64.237952] i2c_del_driver+0x54/0x74 [ 64.238127] cleanup_module+0x1c/0x1d0 [snd_soc_nau8821] regards, Zheyu Ma
