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Date:   Thu, 06 Feb 2020 11:47:46 +0100
Message-ID: <s5hzhdw8019.wl-tiwai@suse.de>
From:   Takashi Iwai <tiwai@suse.de>
To:     Viswanath L <viswanathl@nvidia.com>
Cc:     <perex@perex.cz>, <tiwai@suse.com>, <mkumard@nvidia.com>,
        <jonathanh@nvidia.com>, <arnd@arndb.de>,
        <yung-chuan.liao@linux.intel.com>, <baolin.wang@linaro.org>,
        <kstewart@linuxfoundation.org>, <Julia.Lawall@inria.fr>,
        <tglx@linutronix.de>, <alsa-devel@alsa-project.org>,
        <linux-kernel@vger.kernel.org>, <spujar@nvidia.com>,
        <sharadg@nvidia.com>, <rlokhande@nvidia.com>, <DRAMESH@nvidia.com>,
        <atalambedu@nvidia.com>
Subject: Re: [PATCH] ALSA: hda: Clear RIRB status before reading WP
In-Reply-To: <1580983853-351-1-git-send-email-viswanathl@nvidia.com>
References: <1580983853-351-1-git-send-email-viswanathl@nvidia.com>
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On Thu, 06 Feb 2020 11:10:53 +0100,
Viswanath L wrote:
> 
> From: Mohan Kumar <mkumard@nvidia.com>
> 
> RIRB interrupt status getting cleared after the write pointer is read
> causes a race condition, where last response(s) into RIRB may remain
> unserviced by IRQ, eventually causing azx_rirb_get_response to fall
> back to polling mode. Clearing the RIRB interrupt status ahead of
> write pointer access ensures that this condition is avoided.
> 
> Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
> Signed-off-by: Viswanath L <viswanathl@nvidia.com>

Applied, thanks.


Takashi