From patchwork Tue Jan 8 05:45:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: YunQiang Su X-Patchwork-Id: 10751461 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 4418D13BF for ; Tue, 8 Jan 2019 05:45:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 288FE28A85 for ; Tue, 8 Jan 2019 05:45:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1CE6828AF5; Tue, 8 Jan 2019 05:45:20 +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=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 859A528A85 for ; Tue, 8 Jan 2019 05:45:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727290AbfAHFpS (ORCPT ); Tue, 8 Jan 2019 00:45:18 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:38110 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726333AbfAHFpS (ORCPT ); Tue, 8 Jan 2019 00:45:18 -0500 Received: by mail-pf1-f196.google.com with SMTP id q1so1363384pfi.5 for ; Mon, 07 Jan 2019 21:45:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=HeQGH1WZ87iLFewg02MGkqpTqd7ZY7DycL/i0yWMLas=; b=cdrDvplvjb0e+aGMg/iDKAsd7dvu6kSbN6G4s2Tm4QLk3RFWuymJOhxPdBVWW8VDIX MznqIxAaCwlogNnjbO3Zo6tx81kYJQ+hEaLotZMjUJ1dfBDn0YDdHfoULe2gt6ZMyZ9f qgAaZgwA17bpfqPir2nGy4upr3m5vZVGEuRikF2WcSps5VeXp9f0SPGxjX9H2Q8fQKB1 rUaO5J6DEA1gfkVwdG1cprnQeDKyidy3dK/xfNN7LFSjRn0WlASNvTNqNfTtq/pAcJL9 tcuf3TjHpunMGks1TmVyh6XkUijVNeCJKLA4YpTA8n2s8NgiUvITlIJUjtxmYC/TNIfN SMQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=HeQGH1WZ87iLFewg02MGkqpTqd7ZY7DycL/i0yWMLas=; b=dbY4JWA7PgnO5aVWBEOZsNPkIhns8fLt46armp6kPRs96eJ4A00Xpg1A6iOCjpNeXR Yy3OINzyPA8CNraso0erq3HzgrP3fEYy1tGSzJ8iCYxSuzUjUcJYtnrAue1Ma4tlMFFw +eyPWgeQNSW2jj9UYFFQXJuottmgG7F6CmPyiMqErDQzsz71RwsypE0HZal3JNM0PteJ mLSOT04lmi9YD72NXBdyjRffsCzPFdibVBdv12ZQXAzLT8iAVO4UcMrkmKJxJwuU290c O9uH7+y3e6pQQxNWbEa/vnWfz7kb92v0w6lP1PQ6vt/tIajx3ka0rkVbMz3BnvO9+eOO lCkA== X-Gm-Message-State: AJcUukc9lvzPDcCw0PRuPSwZ4bLHG6wgAggjZNygwTMAl70zrDP/kcDG CDiTfAeADw27wmOSC5vt7/M= X-Google-Smtp-Source: ALg8bN7i5ygmUfDcIGQkK001x7iyGUmZA7axHdAsp9kzy46kdxLlJ39ibc6TYqCloyhBWMFWccHUfA== X-Received: by 2002:a62:3141:: with SMTP id x62mr446952pfx.12.1546926318034; Mon, 07 Jan 2019 21:45:18 -0800 (PST) Received: from loongson.vpn2.bfsu.edu.cn ([47.74.12.188]) by smtp.gmail.com with ESMTPSA id u123sm89876144pfb.1.2019.01.07.21.45.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Jan 2019 21:45:17 -0800 (PST) From: YunQiang Su To: pburton@wavecomp.com, linux-mips@vger.kernel.org, aaro.koskinen@iki.fi Cc: YunQiang Su Subject: [PATCH v2] Disable MSI also when pcie-octeon.pcie_disable on Date: Tue, 8 Jan 2019 13:45:10 +0800 Message-Id: <20190108054510.7393-1-syq@debian.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: YunQiang Su Octeon has an boot-time option to disable pcie. Since MSI depends on PCI-E, we should also disable MSI also with this options is on. Signed-off-by: YunQiang Su --- arch/mips/pci/msi-octeon.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/mips/pci/msi-octeon.c b/arch/mips/pci/msi-octeon.c index 2a5bb849b..288b58b00 100644 --- a/arch/mips/pci/msi-octeon.c +++ b/arch/mips/pci/msi-octeon.c @@ -369,7 +369,9 @@ int __init octeon_msi_initialize(void) int irq; struct irq_chip *msi; - if (octeon_dma_bar_type == OCTEON_DMA_BAR_TYPE_PCIE) { + if (octeon_dma_bar_type == OCTEON_DMA_BAR_TYPE_INVALID) { + return 0; + } else if (octeon_dma_bar_type == OCTEON_DMA_BAR_TYPE_PCIE) { msi_rcv_reg[0] = CVMX_PEXP_NPEI_MSI_RCV0; msi_rcv_reg[1] = CVMX_PEXP_NPEI_MSI_RCV1; msi_rcv_reg[2] = CVMX_PEXP_NPEI_MSI_RCV2;