From patchwork Thu Sep 20 15:43:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathias Nyman X-Patchwork-Id: 10607961 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1090817EE for ; Thu, 20 Sep 2018 15:40:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F3A6A2DD10 for ; Thu, 20 Sep 2018 15:40:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F1E892DC4A; Thu, 20 Sep 2018 15:40:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B1B52DC00 for ; Thu, 20 Sep 2018 15:40:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733205AbeITVYO (ORCPT ); Thu, 20 Sep 2018 17:24:14 -0400 Received: from mga01.intel.com ([192.55.52.88]:56386 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727710AbeITVYN (ORCPT ); Thu, 20 Sep 2018 17:24:13 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Sep 2018 08:40:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,399,1531810800"; d="scan'208";a="71573236" Received: from mattu-haswell.fi.intel.com ([10.237.72.164]) by fmsmga007.fm.intel.com with ESMTP; 20 Sep 2018 08:40:09 -0700 From: Mathias Nyman To: Cc: , Mathias Nyman , stable@vger.kernel.org Subject: [PATCH v2 1/3] xhci: Add missing CAS workaround for Intel Sunrise Point xHCI Date: Thu, 20 Sep 2018 18:43:20 +0300 Message-Id: <1537458202-438-2-git-send-email-mathias.nyman@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1537458202-438-1-git-send-email-mathias.nyman@linux.intel.com> References: <1537458202-438-1-git-send-email-mathias.nyman@linux.intel.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The workaround for missing CAS bit is also needed for xHC on Intel sunrisepoint PCH. For more details see: Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8 Cc: Signed-off-by: Mathias Nyman --- drivers/usb/host/xhci-pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 6372edf..722860e 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -185,6 +185,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) } if (pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) xhci->quirks |= XHCI_MISSING_CAS;