linux-kernel - Re: [PATCH v3] ASoC: SOF: Intel: hda: Clear RIRB status before reading WP

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Message-ID: <s5h5zbwczuk.wl-tiwai@suse.de>
Date:   Fri, 12 Jun 2020 13:01:23 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Brent Lu <brent.lu@...el.com>
Cc:     <alsa-devel@...a-project.org>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Zhu Yingjiang <yingjiang.zhu@...ux.intel.com>,
        Keyon Jie <yang.jie@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        <sound-open-firmware@...a-project.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] ASoC: SOF: Intel: hda: Clear RIRB status before reading WP

On Fri, 12 Jun 2020 12:50:48 +0200,
Brent Lu wrote:
> 
> Port commit 6d011d5057ff ("ALSA: hda: Clear RIRB status before reading
> WP") from legacy HDA driver to fix the get response timeout issue.
> Current SOF driver does not suffer from this issue because sync write
> is enabled in hda_init. The issue will come back if the sync write is
> disabled for some reason.
> 
> Signed-off-by: Brent Lu <brent.lu@...el.com>

Reviewed-by: Takashi Iwai <tiwai@...e.de>


Thanks!

Takashi