From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Grandegger Subject: Re: [PATCH] c_can: Add support for eg20t (pch_can) Date: Thu, 03 Apr 2014 20:41:24 +0200 Message-ID: <533DAB54.8010008@grandegger.com> References: <1396534451-9654-1-git-send-email-alexander.stein@systec-electronic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from ngcobalt02.manitu.net ([217.11.48.102]:38303 "EHLO ngcobalt02.manitu.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753092AbaDCSl1 (ORCPT ); Thu, 3 Apr 2014 14:41:27 -0400 In-Reply-To: <1396534451-9654-1-git-send-email-alexander.stein@systec-electronic.com> Sender: linux-can-owner@vger.kernel.org List-ID: To: Alexander Stein , Marc@systec-electronic.de, Kleine-Budde Cc: linux-can@vger.kernel.org On 04/03/2014 04:14 PM, Alexander Stein wrote: > Signed-off-by: Alexander Stein Acked-by: Wolfgang Grandegger In my patch stack I have also th patch below. Could you please give it I try before I re-submit it. Thanks. Wolfgang. >From 8cc3c5fde12d0dc36b658483433d5b12be693492 Mon Sep 17 00:00:00 2001 From: Wolfgang Grandegger Date: Sat, 4 May 2013 22:28:43 +0200 Subject: [PATCH 07/12] c_can_pci: enable PCI bus master only for MSI Signed-off-by: Wolfgang Grandegger --- c_can_pci.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/c_can_pci.c b/c_can_pci.c index 3a2ac45..98562c2 100644 --- a/c_can_pci.c +++ b/c_can_pci.c @@ -86,8 +86,11 @@ static int c_can_pci_probe(struct pci_dev *pdev, goto out_disable_device; } - pci_set_master(pdev); - pci_enable_msi(pdev); + ret = pci_enable_msi(pdev); + if (!ret) { + dev_info(&pdev->dev, "MSI enabled\n"); + pci_set_master(pdev); + } addr = pci_iomap(pdev, c_can_pci_data->bar, 0); if (!addr) { -- 1.7.9.5