Re: [PATCH v4 10/11] ASoC: SOF: Intel: Move binding to display driver outside of deferred probe
Hey,
On Wed, 30 Aug 2023, Maarten Lankhorst wrote:
Now that we can use -EPROBE_DEFER, it's no longer required to spin off the snd_hdac_i915_init into a workqueue.
Use the -EPROBE_DEFER mechanism instead, which must be returned in the probe function.
The previously added probe_no_wq can be used for this, and we also use the newly added remove_no_wq for unbinding afterwards.
[...]
@@ -1317,7 +1313,6 @@ int hda_dsp_remove(struct snd_sof_dev *sdev) { struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; const struct sof_intel_dsp_desc *chip = hda->desc;
- struct hdac_bus *bus = sof_to_bus(sdev); struct pci_dev *pci = to_pci_dev(sdev->dev); struct nhlt_acpi_table *nhlt = hda->nhlt;
@@ -1368,10 +1363,12 @@ int hda_dsp_remove(struct snd_sof_dev *sdev) if (!sdev->dspless_mode_selected) iounmap(sdev->bar[HDA_DSP_BAR]);
- iounmap(bus->remap_addr);
- sof_hda_bus_exit(sdev);
- return 0;
+}
+int hda_dsp_remove_no_wq(struct snd_sof_dev *sdev) +{
- iounmap(sof_to_bus(sdev)->remap_addr); hda_codec_i915_exit(sdev);
I think here we drop the call to sof_hda_bus_exit() which should be done in hda_dsp_remove_no_wq() to counter hda_init().
Rest looks good to me, the "no_wq" variants do symmetric ops, so we can handle both wq an non-wq cases.
Br, Kai
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Kai Vehmanen