linux-kernel - Re: [PATCH] ASoC: tas2781: remove unused acpi_subysystem

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Date: Wed, 7 Feb 2024 10:02:54 +0000
From: Greg KH <gregkh@...uxfoundation.org>
To: Gergo Koteles <soyer@....hu>
Cc: Shenghao Ding <shenghao-ding@...com>, Kevin Lu <kevin-lu@...com>,
	Baojun Xu <baojun.xu@...com>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
	stable@...r.kernel.org
Subject: Re: [PATCH] ASoC: tas2781: remove unused acpi_subysystem_id

On Tue, Feb 06, 2024 at 09:25:50PM +0100, Gergo Koteles wrote:
> The acpi_subysystem_id is only written and freed, not read, so
> unnecessary.
> 
> Fixes: ef3bcde75d06 ("ASoC: tas2781: Add tas2781 driver")

What does this really "fix"?  It's just a cleanup.

> CC: stable@...r.kernel.org

Again, what bug is this fixing?

Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
about what should be tagged for stable kernels, which this patch series
does not seem to fix.

thanks,

greg k-h