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=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 6E253C1975A for ; Thu, 12 Mar 2020 14:43:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 435F820724 for ; Thu, 12 Mar 2020 14:43:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727766AbgCLOnF (ORCPT ); Thu, 12 Mar 2020 10:43:05 -0400 Received: from mga09.intel.com ([134.134.136.24]:50332 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727770AbgCLOnE (ORCPT ); Thu, 12 Mar 2020 10:43:04 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Mar 2020 07:43:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,545,1574150400"; d="scan'208";a="443955818" Received: from mattu-haswell.fi.intel.com ([10.237.72.170]) by fmsmga006.fm.intel.com with ESMTP; 12 Mar 2020 07:43:02 -0700 From: Mathias Nyman To: Cc: , Nicolas Saenz Julienne , Mathias Nyman Subject: [PATCH 4/9] usb: xhci: Enable LPM for VIA LABS VL805 Date: Thu, 12 Mar 2020 16:45:12 +0200 Message-Id: <20200312144517.1593-5-mathias.nyman@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200312144517.1593-1-mathias.nyman@linux.intel.com> References: <20200312144517.1593-1-mathias.nyman@linux.intel.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org From: Nicolas Saenz Julienne This PCIe controller chip is used on the Raspberry Pi 4 and multiple adapter cards. There is no publicly available documentation for the chip, yet both the downstream RPi4 kernel and the controller cards support/advertise LPM support. Signed-off-by: Nicolas Saenz Julienne Signed-off-by: Mathias Nyman --- drivers/usb/host/xhci-pci.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 5e9b537df631..09786fbed996 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -243,6 +243,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == 0x3432) xhci->quirks |= XHCI_BROKEN_STREAMS; + if (pdev->vendor == PCI_VENDOR_ID_VIA && pdev->device == 0x3483) + xhci->quirks |= XHCI_LPM_SUPPORT; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && pdev->device == 0x1042) xhci->quirks |= XHCI_BROKEN_STREAMS; -- 2.17.1