On Sat, Jul 16, 2022 at 05:12:38PM +0800, Zheyu Ma wrote: > 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 I'm guessing you have no interrupt on this platform, or that jack detect isn't used since the driver currently only requests the interrupt when that's enabled (which is a bit dodgy but not the immediate issue). I've sent a patch https://lore.kernel.org/r/20220718140405.57233-1-broonie@xxxxxxxxxx
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