From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 42276161; Mon, 2 Sep 2024 06:01:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725256874; cv=none; b=DljAHxrCOPjIs8XLeYjJv3EqHUqJ2st93oRUtcZh+ZD6W07UAP/8cUNKeaIvmCtXZ5wCTQMbDZGx0EdiSD5xq0ASKwiZlLoxD/mI4Ll9I4PpS2Tx7cs8SgNhx9aGrtQiEou/p6VX2nFEkyK0gmc2bwsvyC+Y7GOknBG/cJ5N4MQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725256874; c=relaxed/simple; bh=uFqYDAGst+R76BzrFXSqxQfFeaOgB/jwHSV/x4bw5xE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kfjO5cvlHJhCAtR2uYX/w9vurU8utZFBT2tJD/+baCrrJhZoMbojprY6N8HTD56LpCYp1eNR+mBM6ctxuEYAQqadLuKL9qsXMazZ7WkgV+798rTQlgxuJge2W202CcoT2cRvRK2HgsMPpwlPOLS5Y2sSkj3FzXx6eS4l79fjld8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=XcGT8ny+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="XcGT8ny+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4953AC4CEC2; Mon, 2 Sep 2024 06:01:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725256873; bh=uFqYDAGst+R76BzrFXSqxQfFeaOgB/jwHSV/x4bw5xE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XcGT8ny+K7EZPFWj7plmSyaw+3DUmYHQrHQM/nEmQbnG+VvCxd3U3HDIZTeX7YiRL 1biMvmNuYBWWnQkGh0oHiWSUlCqiK7KZ7mv2ol4roKIvw1j5SP2yZJAPHRBUHL3qRF ShEo26DaXuTOaDOPfo65oFbxkvB50L+QG9bfwOUg= Date: Mon, 2 Sep 2024 08:01:10 +0200 From: Greg Kroah-Hartman To: Yenchia Chen Cc: stable@vger.kernel.org, "Rafael J. Wysocki" , Pavel Machek , Len Brown , Matthias Brugger , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH 5.15 0/1] pm, restore async device resume optimization Message-ID: <2024090220-uncaring-pretext-4391@gregkh> References: <20240902031047.9865-1-yenchia.chen@mediatek.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240902031047.9865-1-yenchia.chen@mediatek.com> On Mon, Sep 02, 2024 at 11:10:44AM +0800, Yenchia Chen wrote: > From: "yenchia.chen" > > We have met a deadlock issue on our device when resuming. > After applying this patch which is picked from mainline, issue solved. > We'd like to backport to 5.15.y and could you help to review? thanks. > > [ Upstream commit 3e999770ac1c7c31a70685dd5b88e89473509e9c ] For obvious reasons (and as per the documentation), we can't take commits that are not also in all newer kernel releases, otherwise you would have a regression if you moved to a newer kernel, right? Please submit a series for all affected releases if you wish for a patch to be applied to the trees. thanks, greg k-h