It seems that the HD-audio clear and reconfig sysfs don't work any longer after the recent driver core change. There are multiple issues around that: the linked list corruption and the dead device handling. The former issue is fixed by another patch for the driver core itself, while the latter patch needs to be addressed in HD-audio side.

This patch corresponds to the latter, it recovers those broken functions by replacing the device detach and attach actions with the standard core API functions, which are almost equivalent with unbind and bind actions.

Fixes: 654888327e9f ("driver core: Avoid binding drivers to dead devices") Cc: stable@vger.kernel.org BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=209207 Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/hda/hda_codec.c | 2 +- sound/pci/hda/hda_sysfs.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 4bb58e8b08a8..687216e74526 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1803,7 +1803,7 @@ int snd_hda_codec_reset(struct hda_codec *codec) return -EBUSY;

/* OK, let it free */ - snd_hdac_device_unregister(&codec->core); + device_release_driver(hda_codec_dev(codec));

/* allow device access again */ snd_hda_unlock_devices(bus); diff --git a/sound/pci/hda/hda_sysfs.c b/sound/pci/hda/hda_sysfs.c index eb8ec109d7ad..d5ffcba794e5 100644 --- a/sound/pci/hda/hda_sysfs.c +++ b/sound/pci/hda/hda_sysfs.c @@ -139,7 +139,7 @@ static int reconfig_codec(struct hda_codec *codec) "The codec is being used, can't reconfigure.\n"); goto error; } - err = snd_hda_codec_configure(codec); + err = device_reprobe(hda_codec_dev(codec)); if (err < 0) goto error; err = snd_card_register(codec->card);