linux-kernel - Re: [PATCH] ALSA: hda: cs35l56: Perform firmware download in the background

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Message-ID: <87ttjgk6ph.wl-tiwai@suse.de>
Date: Thu, 02 May 2024 09:34:34 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Simon Trimmer <simont@...nsource.cirrus.com>
Cc: <tiwai@...e.com>,
	<linux-sound@...r.kernel.org>,
	<alsa-devel@...a-project.org>,
	<linux-kernel@...r.kernel.org>,
	<patches@...nsource.cirrus.com>
Subject: Re: [PATCH] ALSA: hda: cs35l56: Perform firmware download in the background

On Wed, 01 May 2024 13:17:55 +0200,
Simon Trimmer wrote:
> @@ -964,6 +1011,14 @@ int cs35l56_hda_common_probe(struct cs35l56_hda *cs35l56, int hid, int id)
>  	mutex_init(&cs35l56->base.irq_lock);
>  	dev_set_drvdata(cs35l56->base.dev, cs35l56);
>  
> +	cs35l56->dsp_wq = create_singlethread_workqueue("cs35l56-dsp");
> +	if (!cs35l56->dsp_wq) {
> +		ret = -ENOMEM;
> +		goto err;
> +	}

Do we really need a dedicated workqueue?  In most usages, simple
schedule_work*() works fine and is recommended.


thanks,

Takashi