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 DE500C433E6 for ; Tue, 1 Sep 2020 15:51:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFB172064B for ; Tue, 1 Sep 2020 15:51:17 +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="GtgpeBdN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732090AbgIAPvQ (ORCPT ); Tue, 1 Sep 2020 11:51:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732148AbgIAPtz (ORCPT ); Tue, 1 Sep 2020 11:49:55 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A69CCC061244; Tue, 1 Sep 2020 08:49:55 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id g6so812017pjl.0; Tue, 01 Sep 2020 08:49:55 -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=NGBSU+CgLpSPsdC80u7iauksX1Sac24OXoCHOndJlzQ=; b=GtgpeBdNqm5lRLgGo6xrb0yDPoWjyEONbkVcVJWHSAH2a/OJ5fYndn88ybZaSRojH3 hmo8XjgwKA8PFT30NIGlkak6hIHKA8yBUcmgWKBjcZHbI3CmuR0ftsIcYFpacDXcBWy2 DDZE7ffgv+z9N9gFYdhIPlNOILq1nVJdijon2jGFMxqQSg7C4iEOF/rwtXHSoKqeq2LG i7IXDGwLGDuK7ZoTqL0fuz3Wk08UJ59pzR+NjxYcep9f1imQTdERtJ52Sv6Lsy2ylPbz jdW+ZsfymZSYdJaj8ksrXcDTrpPZxBHXdGy+r21IYy15Hsbo+l41I91LyDCN/B3tZiRd cfvg== 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=NGBSU+CgLpSPsdC80u7iauksX1Sac24OXoCHOndJlzQ=; b=npZ0P/pAsxISFI4w//9nB5RhD+AeYGVPxTgTpRg/QuMQ3bZAYXbPQDfVHa0HBEx59g 1cRjje85yhS8YscTXrTlMMkWKvOe+8EaAStJr7iSdvUA6FQNjIL+yHhqUIBNwi3bg6ks cLp3IHzwS3SwIVD45F4Eybou8IeNkL81KSx8EflFXICgzTmcYknI8Iae8HT6sLG1YaW6 3VAkHqYe4I04yUm3doJlh7qw2Vyz7hnSeYB+Ofspc97dXW1SR7cWY7smApq1gzRFziHV pUKNQZpuD2QUNQHnFOiZ2B47XLCZ6oB4tFpQm/hUi3uDKbxGYpTcy8M4o7nL4sIqpYLL 72Bw== X-Gm-Message-State: AOAM531DmSCPnyXqwVjYUpY/T0yIukZuKs/F+2m3iq/mfd5bqk/HJh2V Maoy7ftpETJXCYIUObYgQAK8k35ENC0= X-Google-Smtp-Source: ABdhPJyVvVkxeG1bRyYB6J4ng9wXy9QZQTOfz4+UAKVr6JMVhJXHXri/dn+mDxtt84mBPMpWr/02RQ== X-Received: by 2002:a17:902:7790:: with SMTP id o16mr1992754pll.299.1598975395197; Tue, 01 Sep 2020 08:49:55 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id c3sm2458634pfo.120.2020.09.01.08.49.53 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 01 Sep 2020 08:49:53 -0700 (PDT) Date: Tue, 1 Sep 2020 08:49:52 -0700 From: Guenter Roeck To: Krzysztof Kozlowski Cc: Wim Van Sebroeck , linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] watchdog: cadence: Simplify with dev_err_probe() Message-ID: <20200901154952.GA106798@roeck-us.net> References: <20200901153141.18960-1-krzk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200901153141.18960-1-krzk@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 01, 2020 at 05:31:39PM +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 > --- > drivers/watchdog/cadence_wdt.c | 9 +++------ > 1 file changed, 3 insertions(+), 6 deletions(-) > > diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c > index 672b184da875..bc99e9164930 100644 > --- a/drivers/watchdog/cadence_wdt.c > +++ b/drivers/watchdog/cadence_wdt.c > @@ -334,12 +334,9 @@ static int cdns_wdt_probe(struct platform_device *pdev) > watchdog_set_drvdata(cdns_wdt_device, wdt); > > wdt->clk = devm_clk_get(dev, NULL); > - if (IS_ERR(wdt->clk)) { > - ret = PTR_ERR(wdt->clk); > - if (ret != -EPROBE_DEFER) > - dev_err(dev, "input clock not found\n"); > - return ret; > - } > + if (IS_ERR(wdt->clk)) > + return dev_err_probe(dev, PTR_ERR(wdt->clk), > + "input clock not found\n"); > > ret = clk_prepare_enable(wdt->clk); > if (ret) { > -- > 2.17.1 >