From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46255C388F7 for ; Tue, 3 Nov 2020 21:52:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC53620780 for ; Tue, 3 Nov 2020 21:52:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604440359; bh=i6Il6kjpPM77yfeullmaYgn7IGlIDL4NLgMvuN8Hpnc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Ew40K/xYIgV9Vq5sPj/ApNGXpNk51ayIojuCE8jKcmXIVVIira/h1T0Vwzfet7M73 YZFSx4JffVDr/KeJri5qIa0XOSD4eSYW3N4CwCs0Asqn39rJZa8W/vGDJ4hSav1cmi LtnMoVAhnr0k1ehF7S+yiy0aZojn/s/QZ58S5xSw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730738AbgKCUqy (ORCPT ); Tue, 3 Nov 2020 15:46:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:36710 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730376AbgKCUqx (ORCPT ); Tue, 3 Nov 2020 15:46:53 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 39FB822404; Tue, 3 Nov 2020 20:46:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604436412; bh=i6Il6kjpPM77yfeullmaYgn7IGlIDL4NLgMvuN8Hpnc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e0wTnDZllarW5W+0E/Blu65EhBoUNLllWVhlPtKIkomFksi43+i1nQ+nH8yHx1gb6 gt0CQYYy7gh2wT5cMYxgaB2+w8Z9Y4hd6VNk3roo/MsLM3PWMtzURdkjaHBrimXckF RzSyC/y7d3D/T2050UXVLcVUBflbaf7nmdbzy/fA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Raymond Tan , Heikki Krogerus , Felipe Balbi Subject: [PATCH 5.9 239/391] usb: dwc3: pci: Allow Elkhart Lake to utilize DSM method for PM functionality Date: Tue, 3 Nov 2020 21:34:50 +0100 Message-Id: <20201103203403.132715049@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201103203348.153465465@linuxfoundation.org> References: <20201103203348.153465465@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Raymond Tan commit a609ce2a13360d639b384b6ca783b38c1247f2db upstream. Similar to some other IA platforms, Elkhart Lake too depends on the PMU register write to request transition of Dx power state. Thus, we add the PCI_DEVICE_ID_INTEL_EHLLP to the list of devices that shall execute the ACPI _DSM method during D0/D3 sequence. [heikki.krogerus@linux.intel.com: included Fixes tag] Fixes: dbb0569de852 ("usb: dwc3: pci: Add Support for Intel Elkhart Lake Devices") Cc: stable@vger.kernel.org Signed-off-by: Raymond Tan Signed-off-by: Heikki Krogerus Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/dwc3-pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -147,7 +147,8 @@ static int dwc3_pci_quirks(struct dwc3_p if (pdev->vendor == PCI_VENDOR_ID_INTEL) { if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || - pdev->device == PCI_DEVICE_ID_INTEL_BXT_M) { + pdev->device == PCI_DEVICE_ID_INTEL_BXT_M || + pdev->device == PCI_DEVICE_ID_INTEL_EHLLP) { guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); dwc->has_dsm_for_pm = true; }