From patchwork Fri Jun 22 15:14:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10482401 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 309DB60230 for ; Fri, 22 Jun 2018 15:15:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2912028BDE for ; Fri, 22 Jun 2018 15:15:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1CEF528C10; Fri, 22 Jun 2018 15:15:55 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9CEAC28BDE for ; Fri, 22 Jun 2018 15:15:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=M+chUvZe7IQaWS5bSRAFd2xNtw1qPNipLWpTWYefhTk=; b=Wk6+qVhdHoTIgLqlcoRNT3uJ1l vskaV4yfJw1gdYWmW+NQl27GapVkSBjDfUHSuwjW3i7BGUtzPrhstkHFLJzw7ZqQ09+ZqJKsSgQGO sdJRlazsqw/uWJeff42sBXXOBCtJBCcpyAQzao1CzqUSgbUBYNo4yJV8meIiJh+CXLBzoOq/ewyU5 09XLcgxt15slnASMPTFqI/Z5ENtwyf2O5bxqDj5ubK9pnil0dzn+Q3ZdEydcQp2t36Qo069x+ph/7 UNWW3AZKkKBDIX3GlpCoOK0O2ZxNp8gD0A0pIkEyUAo4QTnoObC1VHUMd99mDtvt6IZTPMDFykYX7 cfBbt2Rg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fWNmy-0002HA-CJ; Fri, 22 Jun 2018 15:15:52 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fWNm4-0000Yg-6L for linux-arm-kernel@lists.infradead.org; Fri, 22 Jun 2018 15:14:57 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 8F17520DD7; Fri, 22 Jun 2018 17:14:44 +0200 (CEST) Received: from localhost.localdomain (AAubervilliers-681-1-50-153.w90-88.abo.wanadoo.fr [90.88.168.153]) by mail.bootlin.com (Postfix) with ESMTPSA id 20CAF20741; Fri, 22 Jun 2018 17:14:34 +0200 (CEST) From: Miquel Raynal To: Thomas Gleixner , Jason Cooper , Marc Zyngier , Catalin Marinas , Will Deacon , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth Subject: [PATCH v3 01/17] platform-msi: allow creation of MSI domain without interrupt number Date: Fri, 22 Jun 2018 17:14:16 +0200 Message-Id: <20180622151432.1566-2-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180622151432.1566-1-miquel.raynal@bootlin.com> References: <20180622151432.1566-1-miquel.raynal@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180622_081456_392653_1CD330E9 X-CRM114-Status: GOOD ( 15.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Haim Boot , Antoine Tenart , Hanna Hawa , Maxime Chevallier , Nadav Haklai , Rob Herring , Thomas Petazzoni , Miquel Raynal , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP platform_msi_alloc_priv_data() checks that a number of interrupts is always given. This extra-check has no real impact and just prevents uselessly the user to create an MSI tree domain: remove it. Signed-off-by: Miquel Raynal --- drivers/base/platform-msi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c index 60d6cc618f1c..9f001f4ccc0f 100644 --- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -203,7 +203,7 @@ platform_msi_alloc_priv_data(struct device *dev, unsigned int nvec, * accordingly (which would impact the max number of MSI * capable devices). */ - if (!dev->msi_domain || !write_msi_msg || !nvec || nvec > MAX_DEV_MSIS) + if (!dev->msi_domain || !write_msi_msg || nvec > MAX_DEV_MSIS) return ERR_PTR(-EINVAL); if (dev->msi_domain->bus_token != DOMAIN_BUS_PLATFORM_MSI) {