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=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 8DEFAC433E6 for ; Wed, 24 Feb 2021 14:56:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 43BD964E4B for ; Wed, 24 Feb 2021 14:56:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233169AbhBXOyo (ORCPT ); Wed, 24 Feb 2021 09:54:44 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:55860 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237844AbhBXNss (ORCPT ); Wed, 24 Feb 2021 08:48:48 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1lEuWB-008EUB-7q; Wed, 24 Feb 2021 14:47:55 +0100 Date: Wed, 24 Feb 2021 14:47:55 +0100 From: Andrew Lunn To: Adam Ford Cc: netdev@vger.kernel.org, aford@beaconembedded.com, Sergei Shtylyov , "David S. Miller" , Jakub Kicinski , Rob Herring , Geert Uytterhoeven , Magnus Damm , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V3 4/5] net: ethernet: ravb: Enable optional refclk Message-ID: References: <20210224115146.9131-1-aford173@gmail.com> <20210224115146.9131-4-aford173@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210224115146.9131-4-aford173@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > @@ -2260,6 +2267,9 @@ static int ravb_remove(struct platform_device *pdev) > if (priv->chip_id != RCAR_GEN2) > ravb_ptp_stop(ndev); > > + if (priv->refclk) > + clk_disable_unprepare(priv->refclk); > + Hi Adam You don't need the if (). The clk API is happy with a NULL pointer and will do the right thing. Otherwise: Reviewed-by: Andrew Lunn Andrew