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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 499C0C07E95 for ; Tue, 13 Jul 2021 10:17:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 246FD61279 for ; Tue, 13 Jul 2021 10:17:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235455AbhGMKUK (ORCPT ); Tue, 13 Jul 2021 06:20:10 -0400 Received: from mga09.intel.com ([134.134.136.24]:62825 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235143AbhGMKUK (ORCPT ); Tue, 13 Jul 2021 06:20:10 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10043"; a="210112538" X-IronPort-AV: E=Sophos;i="5.84,236,1620716400"; d="scan'208";a="210112538" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2021 03:17:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,236,1620716400"; d="scan'208";a="570327144" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 13 Jul 2021 03:17:14 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id EC93EFF; Tue, 13 Jul 2021 13:17:41 +0300 (EEST) From: Andy Shevchenko To: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Jiri Slaby , Andy Shevchenko Subject: [PATCH v1 1/1] serial: 8250_pci: Enumerate Elkhart Lake UARTs via dedicated driver Date: Tue, 13 Jul 2021 13:17:39 +0300 Message-Id: <20210713101739.36962-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Elkhart Lake UARTs are PCI enumerated Synopsys DesignWare v4.0+ UART integrated with Intel iDMA 32-bit DMA controller. There is a specific driver to handle them, i.e. 8250_lpss. Hence, disable 8250_pci enumeration for these UARTs. Fixes: 1b91d97c66ef ("serial: 8250_lpss: Add ->setup() for Elkhart Lake ports") Fixes: 4f912b898dc2 ("serial: 8250_lpss: Enable HS UART on Elkhart Lake") Signed-off-by: Andy Shevchenko --- drivers/tty/serial/8250/8250_pci.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 75827b608fdb..02985cf90ef2 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -3836,6 +3836,12 @@ static const struct pci_device_id blacklist[] = { { PCI_VDEVICE(INTEL, 0x0f0c), }, { PCI_VDEVICE(INTEL, 0x228a), }, { PCI_VDEVICE(INTEL, 0x228c), }, + { PCI_VDEVICE(INTEL, 0x4b96), }, + { PCI_VDEVICE(INTEL, 0x4b97), }, + { PCI_VDEVICE(INTEL, 0x4b98), }, + { PCI_VDEVICE(INTEL, 0x4b99), }, + { PCI_VDEVICE(INTEL, 0x4b9a), }, + { PCI_VDEVICE(INTEL, 0x4b9b), }, { PCI_VDEVICE(INTEL, 0x9ce3), }, { PCI_VDEVICE(INTEL, 0x9ce4), }, -- 2.30.2