Re: [PATCH 0/7] ALSA/ASoC/SOF/SoundWire: fix Kconfig issues

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> I have not done as much randconfig tested recently as I used to, but
> since I ramped up the rate again after the merge window, I have unfortunately
> once more run into a variation of this problem, with
> CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE=m and
> CONFIG_SND_SOC_SOF_HDA_COMMON=y:
> 
> x86_64-linux-ld: sound/soc/sof/intel/hda.o: in function
> `hda_dsp_interrupt_thread':
> hda.c:(.text+0x739): undefined reference to `sdw_intel_thread'
> x86_64-linux-ld: hda.c:(.text+0x764): undefined reference to
> `sdw_intel_process_wakeen_event'
> x86_64-linux-ld: sound/soc/sof/intel/hda.o: in function `hda_sdw_int_enable':
> hda.c:(.text+0x782): undefined reference to `sdw_intel_enable_irq'
> x86_64-linux-ld: sound/soc/sof/intel/hda.o: in function `hda_sdw_startup':
> hda.c:(.text+0x7ac): undefined reference to `sdw_intel_startup'
> x86_64-linux-ld: sound/soc/sof/intel/hda.o: in function
> `hda_sdw_process_wakeen':
> hda.c:(.text+0x7dc): undefined reference to `sdw_intel_process_wakeen_event'
> x86_64-linux-ld: sound/soc/sof/intel/hda.o: in function `hda_dsp_probe':
> hda.c:(.text+0xee1): undefined reference to `sdw_intel_probe'
> x86_64-linux-ld: sound/soc/sof/intel/hda.o: in function `hda_dsp_remove':
> hda.c:(.text+0xf7f): undefined reference to `sdw_intel_enable_irq'
> x86_64-linux-ld: hda.c:(.text+0xf8e): undefined reference to `sdw_intel_exit'
> 
> This only seems to appear very rarely, as I still did around 25000 randconfig
> builds since you merged the series, but this config does show the problem
> for any kernel version between the fix and the latest linux-next:
> 
> https://pastebin.com/raw/VCjcB3EU
> 
> I have only done the quick bisection but no analysis regarding what
> we may have missed back in March. I hope you can figure this out.

Thanks for this report Arnd.

I can reproduce the problem, the changes made 6 months back don't make
too much sense to me any longer. I have really no idea why I moved the
INTEL_SOUNDWIRE config to a boolean, that was asking for trouble.

I have a tentative fix being tested at
https://github.com/thesofproject/linux/pull/3066. I just moved the
select operations to a different option and reverted the INTEL_SOUNDWIRE
config to be an on/off switch from the user perspective, with
dependencies on built-in v. module checked inside.




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