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From: Takashi Iwai <tiwai@suse.de>
To: alsa-devel@alsa-project.org
Cc: Jonas Witschel <diabonas@gmx.de>,
	Chris Wilson <chris@chris-wilson.co.uk>
Subject: [alsa-devel] [PATCH] Revert "ALSA: hda: Flush interrupts on disabling"
Date: Mon, 28 Oct 2019 09:10:56 +0100
Message-ID: <20191028081056.22010-1-tiwai@suse.de> (raw)

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.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=205333
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 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 d3999e7b0705..7e7be8e4dcf9 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -447,8 +447,6 @@ 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 a815bc811799..cf53fbd872ee 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1348,9 +1348,9 @@ 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)
-- 
2.16.4

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Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-28  8:10 Takashi Iwai [this message]
2019-10-28  8:21 ` Chris Wilson
2019-10-28  8:24   ` Takashi Iwai
2019-10-28 11:09     ` Takashi Iwai

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