From patchwork Mon Nov 16 16:34:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sudip Mukherjee X-Patchwork-Id: 1401039 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=J1BPqWzp; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CZZV22rC3z9sVK for ; Tue, 17 Nov 2020 03:36:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732185AbgKPQgb (ORCPT ); Mon, 16 Nov 2020 11:36:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732184AbgKPQga (ORCPT ); Mon, 16 Nov 2020 11:36:30 -0500 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 963CCC0613CF; Mon, 16 Nov 2020 08:36:30 -0800 (PST) Received: by mail-wr1-x443.google.com with SMTP id m6so2190217wrg.7; Mon, 16 Nov 2020 08:36:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=A+FE3R5hcwBY+z65SnAL9G4GLC9xYY2THDCEYGJfiOk=; b=J1BPqWzpxluha/Pzix6Tivk6KVAv2wIWkDVgTeSGvnKGOjIK3xHxOa2efF9EVxS6ci 8s5rTD3Gc65zy5etH8nriLeeDEg4aIHTGiE57MLKhr2l0O3gtG3TMCS3gDBac525nUCU R5UymHm096bLiFhIVfGDLDxZ1Q0kaKnCZQo7CORpzfItWldfKr0wqrjagdu57IcRO7d9 s4QZz+VZ/2CRSbU1JRs5N2QsYiEDcJuxmgjfsYARlNTbALgR1+wjq420fIC5gJlB+bnc GoAUdSUJN/m/A67O2Q4nNNtq5y/1kznLVQ0xNhbkOJRhdPN26GaP1DUxtqA4rrgfpFjy YH1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=A+FE3R5hcwBY+z65SnAL9G4GLC9xYY2THDCEYGJfiOk=; b=L4/XszQeWd6u0MUvNmUB/RP6F5wXkhSZbV72eLuaayHNM2Ns3Vu/rUIKBz+3aPK012 etpUH+WNofbQCvuHECzNAvqhZc5ziuYHIGd1fivGgwMoZUSo4td5n2EVo+fEtsTMvRhj pFyMbJQxf9gfDpIaWvxa0Vbwwy55Mt2vAl15ZlTGp69SPvewl1gJdoswg8snmN9hT4YP AeCeQH4yKgUUI3inH+GnkHW0Tu6KQTBjBjh1mBi0MPNX75W/uEW7m6ssSZAi9aQQcmpq 0kQRDBWw1IYaN52e0lf3OssV++xQEg0SFhK6+XaQ3YfLwsUprBx43iK7R68u8Jq8zBA+ 5P/g== X-Gm-Message-State: AOAM531pDG2NT9s2yGQzK4edekLNwrAGH0rHDWpeNK/b4nkZt2TiS3rN Hi2jcSxL/I3hMnh49CGN00E= X-Google-Smtp-Source: ABdhPJyQOz4ID7iAss60cqSo99HMjyg8KY37EymsVFnt2YOdJq7ZDNPakBD9WB6RpRPOkuB4GSz0kA== X-Received: by 2002:a5d:448a:: with SMTP id j10mr19367408wrq.33.1605544589403; Mon, 16 Nov 2020 08:36:29 -0800 (PST) Received: from localhost.localdomain (host-92-5-241-147.as43234.net. [92.5.241.147]) by smtp.gmail.com with ESMTPSA id h15sm23361628wrw.15.2020.11.16.08.36.28 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 16 Nov 2020 08:36:28 -0800 (PST) From: Sudip Mukherjee To: Yue Wang , Lorenzo Pieralisi , Rob Herring , Bjorn Helgaas , Kevin Hilman , Neil Armstrong , Jerome Brunet , Martin Blumenstingl Cc: linux-kernel@vger.kernel.org, linux-safety@lists.elisa.tech, linux-pci@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Sudip Mukherjee Subject: [PATCH] PCI: dwc/meson: Use PTR_ERR_OR_ZERO Date: Mon, 16 Nov 2020 16:34:18 +0000 Message-Id: <20201116163418.10529-1-sudipm.mukherjee@gmail.com> X-Mailer: git-send-email 2.11.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Coccinelle suggested using PTR_ERR_OR_ZERO() and looking at the code, we can use PTR_ERR_OR_ZERO() instead of checking IS_ERR() and then doing 'return 0'. Signed-off-by: Sudip Mukherjee --- drivers/pci/controller/dwc/pci-meson.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c index 1913dc2c8fa0..f4261f5aceb1 100644 --- a/drivers/pci/controller/dwc/pci-meson.c +++ b/drivers/pci/controller/dwc/pci-meson.c @@ -115,10 +115,8 @@ static int meson_pcie_get_mems(struct platform_device *pdev, return PTR_ERR(pci->dbi_base); mp->cfg_base = devm_platform_ioremap_resource_byname(pdev, "cfg"); - if (IS_ERR(mp->cfg_base)) - return PTR_ERR(mp->cfg_base); - return 0; + return PTR_ERR_OR_ZERO(mp->cfg_base); } static int meson_pcie_power_on(struct meson_pcie *mp) @@ -208,10 +206,8 @@ static int meson_pcie_probe_clocks(struct meson_pcie *mp) return PTR_ERR(res->general_clk); res->clk = meson_pcie_probe_clock(dev, "pclk", 0); - if (IS_ERR(res->clk)) - return PTR_ERR(res->clk); - return 0; + return PTR_ERR_OR_ZERO(res->clk); } static inline u32 meson_cfg_readl(struct meson_pcie *mp, u32 reg)