From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04EF2472525; Tue, 21 Jul 2026 19:52:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784663524; cv=none; b=j1e0iuY5RovWF4kuUUZtyuYEQ7vLLZSmcT/6LUX8OuZx5GgJeCWl54fc3ZikR5Bwrt1Vk53tfahpsFZZ6oaNZrC2Vhh6fSi6xy8/lf9FkrCM6eb2tR2rfYPWF/4ay3V0j29AfKohT8rEtmWdcWLx9na8/ireWOX2dGKPpaPVc3Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784663524; c=relaxed/simple; bh=qxqicNw5cvYnRRD+VRzSSBmMdvlGkkm/wsS/8VFM8Js=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LK2kkOLcHmG4fBBS7NgyLzvq6ZZPRmBRmBP3kcvNCE6FESPZJ/5SpBfCyiwHDHzhJVMgVdAmDQhztLcZGP8xXYGE16dMEJajU4XicopafhjaMgS0QFdSdjoocVcjVZhgmMmDdR4bw/5bbb3YoA87XgOgfIPdNZHTxgO8bXc5JNM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=pYJkXt7F; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="pYJkXt7F" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A9851F000E9; Tue, 21 Jul 2026 19:52:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784663522; bh=n0kGN8N8BjfJmjP6A4LncDX27qgIatdnamFb7bZ2ZdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=pYJkXt7F9XmCl93x/ZhhLrPbYFV5JWJZxfS40gjvVaHwgzNYvczR3S9Iql7XbuQHt ibCstsAK55zWHGQl/ZId0Pbvq4CMZaZlbi6cT/UmVztVJ6Merri/QgALdBvMT8loVS SuVv2eySOdLIcMX6AHLJ5xwRTNK474HPAUdWknZ8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?C=C3=A1ssio=20Gabriel?= , Mark Brown Subject: [PATCH 6.12 0855/1276] ASoC: mediatek: mt8183: Release reserved memory on cleanup Date: Tue, 21 Jul 2026 17:21:38 +0200 Message-ID: <20260721152505.184187108@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152446.065700225@linuxfoundation.org> References: <20260721152446.065700225@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Cássio Gabriel commit bee65e00c0924ebecf97718d95dcf4a05ee36471 upstream. The MT8183 AFE probe can assign reserved memory with of_reserved_mem_device_init(), but the assignment is never released on driver removal or later probe failures. Register a devm cleanup action so the reserved memory assignment is released consistently, matching newer Mediatek AFE drivers. Fixes: ec4a10ca4a68 ("ASoC: mediatek: use reserved memory or enable buffer pre-allocation") Cc: stable@vger.kernel.org Signed-off-by: Cássio Gabriel Link: https://patch.msgid.link/20260527-asoc-mt8183-probe-cleanup-v1-1-4f4f5593c8d1@gmail.com Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/mediatek/mt8183/mt8183-afe-pcm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- a/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c +++ b/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c @@ -1073,6 +1073,11 @@ static const dai_register_cb dai_registe mt8183_dai_memif_register, }; +static void mt8183_afe_release_reserved_mem(void *data) +{ + of_reserved_mem_device_release(data); +} + static int mt8183_afe_pcm_dev_probe(struct platform_device *pdev) { struct mtk_base_afe *afe; @@ -1099,6 +1104,12 @@ static int mt8183_afe_pcm_dev_probe(stru if (ret) { dev_info(dev, "no reserved memory found, pre-allocating buffers instead\n"); afe->preallocate_buffers = true; + } else { + ret = devm_add_action_or_reset(dev, + mt8183_afe_release_reserved_mem, + dev); + if (ret) + return ret; } /* initial audio related clock */