Re: [PATCH] ASoC: SOF: Intel: hda: Stop the controller before freeing its DMA buffers

[Sasha Levin]

On Sun, Nov 01, 2026 at 11:00:54PM +0000, Mark Brown wrote:
> > hda_dsp_probe() starts the CORB/RIRB DMA engines through
> > hda_dsp_ctrl_init_chip(), but neither hda_dsp_remove() nor the error
> > path of hda_dsp_probe() stops them before hda_dsp_stream_free() frees
> > the CORB/RIRB ring buffer and the position buffer.  Unsolicited
> > responses also stay enabled, so the controller can keep writing RIRB
> > entries into the freed page.
>
> This doesn't apply against current code, please check and resend.

Just to confirm, I see this in Linus's tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=11ae63bd9030349a0136fb2edd1622a4a029edc8 .

--
Thanks,
Sasha