From nobody Sun Dec 14 06:17:03 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B82C5C00140 for ; Mon, 15 Aug 2022 18:31:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243626AbiHOSbc (ORCPT ); Mon, 15 Aug 2022 14:31:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42180 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242447AbiHOSa3 (ORCPT ); Mon, 15 Aug 2022 14:30:29 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E65DD32076; Mon, 15 Aug 2022 11:20:41 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B522460EBB; Mon, 15 Aug 2022 18:20:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 924E6C433D6; Mon, 15 Aug 2022 18:20:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660587608; bh=K5ZHDwywZf6sEzoMUCgypmRbTxPVUltpevV5pX0h7J4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t2FIJkFjsddiKY5U+cBMrhoWp4zXic/841t7MHu0jfOG8s3+rrp189tz/5uO66i3C nmT6xuBEn+VPt5aknYGu/whZWpRtK+TP+OD/MbLJ1KZo4Sega/1bYtoYurbNYKigbn H7M4tQn3uNJANUjyDVq9bMhjaJedqLZFZA88Wkk0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Manyi Li , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 5.15 138/779] ACPI: PM: save NVS memory for Lenovo G40-45 Date: Mon, 15 Aug 2022 19:56:22 +0200 Message-Id: <20220815180343.201002882@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180337.130757997@linuxfoundation.org> References: <20220815180337.130757997@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Manyi Li [ Upstream commit 4b7ef7b05afcde44142225c184bf43a0cd9e2178 ] [821d6f0359b0614792ab8e2fb93b503e25a65079] is to make machines produced from 2012 to now not saving NVS region to accelerate S3. But, Lenovo G40-45, a platform released in 2015, still needs NVS memory saving during S3. A quirk is introduced for this platform. Signed-off-by: Manyi Li Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/sleep.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 07515139141e..d7194047d256 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -361,6 +361,14 @@ static const struct dmi_system_id acpisleep_dmi_table[= ] __initconst =3D { DMI_MATCH(DMI_PRODUCT_NAME, "80E3"), }, }, + { + .callback =3D init_nvs_save_s3, + .ident =3D "Lenovo G40-45", + .matches =3D { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "80E1"), + }, + }, /* * ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using * the Low Power S0 Idle firmware interface (see --=20 2.35.1