From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4388CC433E2 for ; Tue, 1 Sep 2020 20:19:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 07B8E2083B for ; Tue, 1 Sep 2020 20:19:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kBW3U1TH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728627AbgIAUTS (ORCPT ); Tue, 1 Sep 2020 16:19:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728960AbgIAUTM (ORCPT ); Tue, 1 Sep 2020 16:19:12 -0400 Received: from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com [IPv6:2607:f8b0:4864:20::1042]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1122CC061244; Tue, 1 Sep 2020 13:19:12 -0700 (PDT) Received: by mail-pj1-x1042.google.com with SMTP id np15so1100468pjb.0; Tue, 01 Sep 2020 13:19:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=HeGBPCmtRrSwxguF1t/lDmn0Piwm4iwKIT8Cjmy4NkE=; b=kBW3U1THs1fa90r0brxh02oRvIPfub/IrYHeuuQ1hKS8XXpInjLpSIxHg7LYYgK9Fy FITi96bmv7XokvD8mroyIaRLyzMuwk4DTTw1XyE4a42y5szllTxlwtpsehS73DP/j1rn ZG+MAOwIdg2vdXj09in+HagEwNKR+JYfqQhrhleqXgQg/H2Km4x/eaMiaDyMNusAKbGZ V7rIkrVX8FvlcW2jO6qZzzKF6V0EyiASNLF9Hy7kK6mmoZKN30PKQzhpVHHNI5vJ1Iuz wSEp3xaCHj1Iw3P4gRTPTCryKTjm/A/uUtnrN+vQjuOOlzy8y7z5LOYAwciBr325ex6T uY2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=HeGBPCmtRrSwxguF1t/lDmn0Piwm4iwKIT8Cjmy4NkE=; b=pIcP5H4mlkRxd47okxcxkiRJLi0J7s4xqRTB5i6XFLpJ+zHO+divYO2aFkJ/3K0jl0 txtKgPxOZgoik1L8i7ApU3rp7N5kG4NEXqZs40rGvSvWJGTPJNPC/i+t+IbJ/s9esbKK +0hbcBb0BO6ALBNvOU5ITOm10BlVOcBGJ+PIzE0WyIYzweScey5kMPzD8SFclWBECLVi WXVOY18R96t+8+2qFiJC0+FwKGQCU+9gvpkuA59xLrnHMK/2L+uSVaTvVxos9Cp353Fw tE+RVlA8Eg7ZpG0WmItS6PJ7+jDjqV38NV7Sm3OHqEAh5KX2Oe0BeSToJRhP1Pjzvem5 cxTQ== X-Gm-Message-State: AOAM5318gxgADWUIXg/tCNxQK8oCnVv66o9qc/qojDvzyDTVS87nB0LK T377te0hPZOqkmrpl9qkKYo= X-Google-Smtp-Source: ABdhPJzWLNUjkq7zn9ue1dBJupaB/kBwXaRx2ZOMEBn6fRLLqBBgZ6QdA33yIAEy/766lMSR621nuw== X-Received: by 2002:a17:90b:4b89:: with SMTP id lr9mr3355895pjb.190.1598991551495; Tue, 01 Sep 2020 13:19:11 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id s24sm2309078pjp.1.2020.09.01.13.19.10 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 01 Sep 2020 13:19:11 -0700 (PDT) Date: Tue, 1 Sep 2020 13:19:10 -0700 From: Guenter Roeck To: Krzysztof Kozlowski Cc: Wim Van Sebroeck , linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] watchdog: rti: Simplify with dev_err_probe() Message-ID: <20200901201910.GC143133@roeck-us.net> References: <20200901153141.18960-1-krzk@kernel.org> <20200901153141.18960-3-krzk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200901153141.18960-3-krzk@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org On Tue, Sep 01, 2020 at 05:31:41PM +0200, Krzysztof Kozlowski wrote: > Common pattern of handling deferred probe can be simplified with > dev_err_probe(). Less code and the error value gets printed. > > Signed-off-by: Krzysztof Kozlowski Reviewed-by: Guenter Roeck > > --- > > It is unusual to expect deferred probe from pm_runtime_get()... > --- > drivers/watchdog/rti_wdt.c | 14 ++++---------- > 1 file changed, 4 insertions(+), 10 deletions(-) > > diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c > index 705e8f7523e8..836319cbaca9 100644 > --- a/drivers/watchdog/rti_wdt.c > +++ b/drivers/watchdog/rti_wdt.c > @@ -205,11 +205,8 @@ static int rti_wdt_probe(struct platform_device *pdev) > return -ENOMEM; > > clk = clk_get(dev, NULL); > - if (IS_ERR(clk)) { > - if (PTR_ERR(clk) != -EPROBE_DEFER) > - dev_err(dev, "failed to get clock\n"); > - return PTR_ERR(clk); > - } > + if (IS_ERR(clk)) > + return dev_err_probe(dev, PTR_ERR(clk), "failed to get clock\n"); > > wdt->freq = clk_get_rate(clk); > > @@ -230,11 +227,8 @@ static int rti_wdt_probe(struct platform_device *pdev) > > pm_runtime_enable(dev); > ret = pm_runtime_get_sync(dev); > - if (ret) { > - if (ret != -EPROBE_DEFER) > - dev_err(&pdev->dev, "runtime pm failed\n"); > - return ret; > - } > + if (ret) > + return dev_err_probe(dev, ret, "runtime pm failed\n"); > > platform_set_drvdata(pdev, wdt); > > -- > 2.17.1 >