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: 9548391 X-Patchwork-Delegate: bhelgaas@google.com 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 9966460415 for ; Tue, 31 Jan 2017 20:20:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B4A02823D for ; Tue, 31 Jan 2017 20:20:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7FF5C2838C; Tue, 31 Jan 2017 20:20:52 +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=-6.9 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, 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 3CC4E2823D for ; Tue, 31 Jan 2017 20:20:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751268AbdAaUUt (ORCPT ); Tue, 31 Jan 2017 15:20:49 -0500 Received: from mail.kernel.org ([198.145.29.136]:44492 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751193AbdAaUUs (ORCPT ); Tue, 31 Jan 2017 15:20:48 -0500 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 Cc: Scott Branden , Gabriele Paoloni , Jon Mason , Ray Jui , linuxppc-dev@lists.ozlabs.org, linux-renesas-soc@vger.kernel.org, Minghuan Lian , Zhou Wang , Simon Horman , Geert Uytterhoeven , linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, Mingkai Hu , Roy Zang , Shailendra Verma 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 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.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(-) -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html 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");