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 59EBFC2D0A3 for ; Tue, 3 Nov 2020 21:31:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AB8421534 for ; Tue, 3 Nov 2020 21:31:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604439071; bh=i6Il6kjpPM77yfeullmaYgn7IGlIDL4NLgMvuN8Hpnc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=AZ9ODgtOyymYvwT96fOsb1gapJO/YqxKc2EwIV9pEb9r89ikBa23s+dJGkHX10DoL kInF+kKZElfZGcIsfewfYcqYWT3aGtiPwiFfqedPAjnjrG/z7MbORnZbEgrLC85hCw ETRG8ktoM61FNe17SXvNxbPNZw5onnXgwkFT4ATA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732755AbgKCVbK (ORCPT ); Tue, 3 Nov 2020 16:31:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:60392 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731475AbgKCU5w (ORCPT ); Tue, 3 Nov 2020 15:57:52 -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 C76AE223AC; Tue, 3 Nov 2020 20:57:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604437072; bh=i6Il6kjpPM77yfeullmaYgn7IGlIDL4NLgMvuN8Hpnc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zI7gSVhQ4Z6k7RhClzFIRbgIdxezdp1Z+JhdXImqtHOdQ02LUQfVCfjvKDYaxkxLU I1dAQ46CjiKhnxy6gxICKqZdWET/lL6L2RSlRDXasrK0NZFjlnU8szlqq2Z0ZVvc1f pvT9jNmsEkFq5iwl3kCozj6eKANbars7Zz8UlKAA= 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 5.4 134/214] usb: dwc3: pci: Allow Elkhart Lake to utilize DSM method for PM functionality Date: Tue, 3 Nov 2020 21:36:22 +0100 Message-Id: <20201103203303.402427062@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201103203249.448706377@linuxfoundation.org> References: <20201103203249.448706377@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: stable@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; }