From patchwork Wed Jun 28 16:32:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Grzeschik X-Patchwork-Id: 781770 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3wySyQ03Yyz9s7f for ; Thu, 29 Jun 2017 02:33:02 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752531AbdF1Qcz (ORCPT ); Wed, 28 Jun 2017 12:32:55 -0400 Received: from metis.ext.4.pengutronix.de ([92.198.50.35]:52519 "EHLO metis.ext.4.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752056AbdF1Qce (ORCPT ); Wed, 28 Jun 2017 12:32:34 -0400 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dQFtD-0007n9-HU; Wed, 28 Jun 2017 18:32:27 +0200 Received: from mgr by dude.hi.pengutronix.de with local (Exim 4.89) (envelope-from ) id 1dQFtC-00083v-Hl; Wed, 28 Jun 2017 18:32:26 +0200 From: Michael Grzeschik To: davem@davemloft.net Cc: netdev@vger.kernel.org, kernel@pengutronix.de Subject: [PATCH 3/4] arcnet: com20020-pci: handle backplane mode depending on card type Date: Wed, 28 Jun 2017 18:32:20 +0200 Message-Id: <20170628163221.32301-4-m.grzeschik@pengutronix.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170628163221.32301-1-m.grzeschik@pengutronix.de> References: <20170628163221.32301-1-m.grzeschik@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: mgr@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org We read the backplane mode of each subcard from bits 2 and 3 of the misc register. Signed-off-by: Michael Grzeschik --- drivers/net/arcnet/com20020-pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c index dec300cac55f9..f5854ab7dc326 100644 --- a/drivers/net/arcnet/com20020-pci.c +++ b/drivers/net/arcnet/com20020-pci.c @@ -199,6 +199,8 @@ static int com20020pci_probe(struct pci_dev *pdev, lp->timeout = timeout; lp->hw.owner = THIS_MODULE; + lp->backplane = (inb(priv->misc) >> (2 + i)) & 0x1; + /* Get the dev_id from the PLX rotary coder */ if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15)) dev->dev_id = 0xc;