From patchwork Tue Jan 31 20:20:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 9548409 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 CABC260415 for ; Tue, 31 Jan 2017 20:21:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BC67C27F86 for ; Tue, 31 Jan 2017 20:21:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B148F27F8F; Tue, 31 Jan 2017 20:21:45 +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=-1.9 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 521092823D for ; Tue, 31 Jan 2017 20:21:45 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cYevv-0006ce-9E; Tue, 31 Jan 2017 20:21:43 +0000 Received: from mail.kernel.org ([198.145.29.136]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cYeup-0005Cj-2U for linux-arm-kernel@lists.infradead.org; Tue, 31 Jan 2017 20:20:39 +0000 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9DF7520220; Tue, 31 Jan 2017 20:20:15 +0000 (UTC) Received: from localhost (unknown [69.55.156.165]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8FC3C20212; Tue, 31 Jan 2017 20:20:14 +0000 (UTC) Subject: [PATCH 1 3/4] PCI: layerscape: Use of_device_get_match_data() to simplify probe From: Bjorn Helgaas To: linux-pci@vger.kernel.org Date: Tue, 31 Jan 2017 14:20:13 -0600 Message-ID: <20170131202013.27605.44566.stgit@bhelgaas-glaptop.roam.corp.google.com> In-Reply-To: <20170131201400.27605.56002.stgit@bhelgaas-glaptop.roam.corp.google.com> References: <20170131201400.27605.56002.stgit@bhelgaas-glaptop.roam.corp.google.com> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170131_122035_539495_B41B067D X-CRM114-Status: GOOD ( 11.97 ) 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: Scott Branden , Gabriele Paoloni , Jon Mason , Ray Jui , Roy Zang , linux-renesas-soc@vger.kernel.org, Minghuan Lian , Zhou Wang , Simon Horman , Geert Uytterhoeven , Shailendra Verma , bcm-kernel-feedback-list@broadcom.com, Mingkai Hu , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org 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 The only way to call ls_pcie_probe() is to match an entry in ls_pcie_of_match[], so match cannot be NULL. Use of_device_get_match_data() to retrieve the drvdata pointer. No functional change intended. Based-on-suggestion-from: Geert Uytterhoeven Signed-off-by: Bjorn Helgaas --- drivers/pci/host/pci-layerscape.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c index ea789138531b..c1f06f8f05fd 100644 --- a/drivers/pci/host/pci-layerscape.c +++ b/drivers/pci/host/pci-layerscape.c @@ -239,23 +239,18 @@ static int __init ls_add_pcie_port(struct ls_pcie *pcie) static int __init ls_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - const struct of_device_id *match; struct ls_pcie *pcie; struct pcie_port *pp; struct resource *dbi_base; int ret; - match = of_match_device(ls_pcie_of_match, dev); - if (!match) - return -ENODEV; - pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); if (!pcie) return -ENOMEM; pp = &pcie->pp; pp->dev = dev; - pcie->drvdata = match->data; + pcie->drvdata = of_device_get_match_data(dev); pp->ops = pcie->drvdata->ops; dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");