--- /dev/null
+From c1a5a6cba74791099d2222bb2d2f3a31fdea53af Mon Sep 17 00:00:00 2001
+From: Sasha Levin <sashal@kernel.org>
+Date: Mon, 28 Oct 2019 09:10:56 +0100
+Subject: Revert "ALSA: hda: Flush interrupts on disabling"
+
+From: Takashi Iwai <tiwai@suse.de>
+
+[ Upstream commit 1a7f60b9df614bb36d14dc0c0bc898a31b2b506f ]
+
+This reverts commit caa8422d01e983782548648e125fd617cadcec3f.
+
+It turned out that this commit caused a regression at shutdown /
+reboot, as the synchronize_irq() calls seems blocking the whole
+shutdown. Also another part of the change about shuffling the call
+order looks suspicious; the azx_stop_chip() call disables the CORB /
+RIRB while the others may still need the CORB/RIRB update.
+
+Since the original commit itself was a cargo-fix, let's revert the
+whole patch.
+
+Fixes: caa8422d01e9 ("ALSA: hda: Flush interrupts on disabling")
+BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=205333
+BugLinK: https://bugs.freedesktop.org/show_bug.cgi?id=111174
+Signed-off-by: Takashi Iwai <tiwai@suse.de>
+Cc: Chris Wilson <chris@chris-wilson.co.uk>
+Link: https://lore.kernel.org/r/20191028081056.22010-1-tiwai@suse.de
+Signed-off-by: Takashi Iwai <tiwai@suse.de>
+Signed-off-by: Sasha Levin <sashal@kernel.org>
+---
+ sound/hda/hdac_controller.c | 2 --
+ sound/pci/hda/hda_intel.c | 2 +-
+ 2 files changed, 1 insertion(+), 3 deletions(-)
+
+diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
+index 433f3280f7098..00c6af2ae1c29 100644
+--- a/sound/hda/hdac_controller.c
++++ b/sound/hda/hdac_controller.c
+@@ -441,8 +441,6 @@ static void azx_int_disable(struct hdac_bus *bus)
+ list_for_each_entry(azx_dev, &bus->stream_list, list)
+ snd_hdac_stream_updateb(azx_dev, SD_CTL, SD_INT_MASK, 0);
+
+- synchronize_irq(bus->irq);
+-
+ /* disable SIE for all streams */
+ snd_hdac_chip_writeb(bus, INTCTL, 0);
+
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
+index 3d4ea5fd75bf5..f2f1d9fd848c8 100644
+--- a/sound/pci/hda/hda_intel.c
++++ b/sound/pci/hda/hda_intel.c
+@@ -1239,9 +1239,9 @@ static int azx_free(struct azx *chip)
+ }
+
+ if (bus->chip_init) {
+- azx_stop_chip(chip);
+ azx_clear_irq_pending(chip);
+ azx_stop_all_streams(chip);
++ azx_stop_chip(chip);
+ }
+
+ if (bus->irq >= 0)
+--
+2.20.1
+