From patchwork Mon Sep 25 08:05:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Westerberg X-Patchwork-Id: 1838949 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=hDi7OTfq; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-ide-owner@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4RvFmr3Q7fz1ynF for ; Mon, 25 Sep 2023 18:05:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230250AbjIYIFt (ORCPT ); Mon, 25 Sep 2023 04:05:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229473AbjIYIFs (ORCPT ); Mon, 25 Sep 2023 04:05:48 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.126]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CE82A2 for ; Mon, 25 Sep 2023 01:05:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695629142; x=1727165142; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=syiQraget6ZL8dQ7L7eUwdxzXetHoeUZ/4wW4Yej5CM=; b=hDi7OTfq35VtDqtNfGf/O7L03AVrHnR4HzWxG3EOcCVU90bYpmNRn9HL omNOhk2DuE4pcLPwnESpneu+AwmfTT/6IFo5Ys3jCr0X3GtxvisT3+dEL Qu88zC41It5HYufAZTgBddrl5SYlyr0heZTCYi+94HDpxxR2Z7jzpgbi/ Y3RfDtB/d0ppfgFZwBsGKVYeOAbaBB6ug/zrbLsp8H8KC2pR7akbOs0lL JTQIA9EG6uCWqtH/Qkinc6i+sC8A5C/qnAnGwYMJH+h4KecqGu4Cmq78P ljF53th8pFo6gU7qaLcSJqtWMOd0VFg7fH2HhBL25pteOt2iHrr1/pRHa A==; X-IronPort-AV: E=McAfee;i="6600,9927,10843"; a="366253684" X-IronPort-AV: E=Sophos;i="6.03,174,1694761200"; d="scan'208";a="366253684" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Sep 2023 01:05:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10843"; a="921895137" X-IronPort-AV: E=Sophos;i="6.03,174,1694761200"; d="scan'208";a="921895137" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 25 Sep 2023 01:05:39 -0700 Received: by black.fi.intel.com (Postfix, from userid 1001) id 830F12E9; Mon, 25 Sep 2023 11:05:38 +0300 (EEST) From: Mika Westerberg To: Damien Le Moal Cc: linux-ide@vger.kernel.org, Koba Ko , Mika Westerberg Subject: [PATCH] ata: ahci: Add Intel Alder Lake-P AHCI controller to low power chipsets list Date: Mon, 25 Sep 2023 11:05:38 +0300 Message-Id: <20230925080538.2894982-1-mika.westerberg@linux.intel.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Intel Alder Lake-P AHCI controller needs to be added to the mobile chipsets list in order to have link power management enabled. Without this the CPU cannot enter lower power C-states making idle power consumption high. Cc: Koba Ko Signed-off-by: Mika Westerberg --- drivers/ata/ahci.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 08745e7db820..d96f80b6ff5d 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -423,6 +423,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_low_power }, /* Comet Lake PCH RAID */ /* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */ { PCI_VDEVICE(INTEL, 0x4b63), board_ahci_low_power }, /* Elkhart Lake AHCI */ + { PCI_VDEVICE(INTEL, 0x7ae2), board_ahci_low_power }, /* Alder Lake-P AHCI */ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,