From patchwork Tue Feb 8 12:40:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 12738742 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F7B5C43219 for ; Tue, 8 Feb 2022 13:16:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243524AbiBHNQu (ORCPT ); Tue, 8 Feb 2022 08:16:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358779AbiBHMlj (ORCPT ); Tue, 8 Feb 2022 07:41:39 -0500 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45363C03FEC0 for ; Tue, 8 Feb 2022 04:41:39 -0800 (PST) Received: by mail-pf1-x42a.google.com with SMTP id r19so2896750pfh.6 for ; Tue, 08 Feb 2022 04:41:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ga+gjzrzR/LMbGVHXMahoAG4teobfaMr0L0SPMOkFuM=; b=RZ9aNJj6d+PjwBnU0ZJr9mX0nqK+z2KPKSE1hVDOXS6VR7K79uaqtUSEcm7xi/csiT PWkXmSg1lDYbXRJVyBHvI8LGnEa9ps7DiMTFIno+JyB6kH8xzJ+339+ev6Rsm53OTn79 B3I6j48uRr2+5wLm760I9Q9pCw2Z3sZkrOEYQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ga+gjzrzR/LMbGVHXMahoAG4teobfaMr0L0SPMOkFuM=; b=i8o3Km74y7e7QtB/ge0VFOjfpfPwiEJZQA2jTx6l37YW8FEqeKuf3jcV5TjE+gJCBv mh6DPDAtoJbIOMp8ve1jw9RflIrz9IhhgknA1FnAepBAs+XVyohNocnXknambsMKCzyv z+2aC1yvjW2U64LIf+D3W8ORogHskDwctc6zs+36JJd2fNcGw2ap/mhktWCWhFxFYCUO XB4U5NbWPQ1I6xLCBp3MTg2bIW7JiqOmCBGlNgVEPhJCYX7PA0nPBqrcQYU1bOVlamc5 rsuMhU3o+cpK36HfyTPSVAX88MyGDUaE67KSHaMOlhz40vqnEj7yV4mxKVSkN6lbXt4Q saLw== X-Gm-Message-State: AOAM53338RSwp1UxWWRsdquyfSz4tK/bzM0yXhxGwlwFnbMPouuzKGw8 HGemEHlQFe3IEsVsraBbTXf2+Q== X-Google-Smtp-Source: ABdhPJw8d0noYcaqrmuUm0oYUt6VCRIRuANK5szIhgF5+nvEpUNbWJNicRVw/Rm/sTOyay6sR7vcPA== X-Received: by 2002:a63:2a86:: with SMTP id q128mr3374314pgq.53.1644324098777; Tue, 08 Feb 2022 04:41:38 -0800 (PST) Received: from wenstp920.tpe.corp.google.com ([2401:fa00:1:10:41b6:813e:c823:609c]) by smtp.gmail.com with ESMTPSA id h11sm15056939pfe.214.2022.02.08.04.41.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Feb 2022 04:41:38 -0800 (PST) From: Chen-Yu Tsai To: Stephen Boyd , Michael Turquette , Matthias Brugger Cc: Chen-Yu Tsai , Chun-Jie Chen , AngeloGioacchino Del Regno , Miles Chen , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 23/31] clk: mediatek: mux: Reverse check for existing clk to reduce nesting level Date: Tue, 8 Feb 2022 20:40:26 +0800 Message-Id: <20220208124034.414635-24-wenst@chromium.org> X-Mailer: git-send-email 2.35.0.263.gb82422642f-goog In-Reply-To: <20220208124034.414635-1-wenst@chromium.org> References: <20220208124034.414635-1-wenst@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The clk registration code here currently does: if (IS_ERR_OR_NULL(clk_data->clks[mux->id])) { ... do clk registration ... } This extra level of nesting wastes screen real estate. Reduce the nesting level by reversing the conditional shown above. Other than that, functionality is not changed. Signed-off-by: Chen-Yu Tsai Reviewed-by: Miles Chen Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Chun-Jie Chen --- drivers/clk/mediatek/clk-mux.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/clk/mediatek/clk-mux.c b/drivers/clk/mediatek/clk-mux.c index 01af6a52711a..70aa42144632 100644 --- a/drivers/clk/mediatek/clk-mux.c +++ b/drivers/clk/mediatek/clk-mux.c @@ -208,16 +208,17 @@ int mtk_clk_register_muxes(const struct mtk_mux *muxes, for (i = 0; i < num; i++) { const struct mtk_mux *mux = &muxes[i]; - if (IS_ERR_OR_NULL(clk_data->clks[mux->id])) { - clk = mtk_clk_register_mux(mux, regmap, lock); + if (!IS_ERR_OR_NULL(clk_data->clks[mux->id])) + continue; - if (IS_ERR(clk)) { - pr_err("Failed to register clk %s: %pe\n", mux->name, clk); - continue; - } + clk = mtk_clk_register_mux(mux, regmap, lock); - clk_data->clks[mux->id] = clk; + if (IS_ERR(clk)) { + pr_err("Failed to register clk %s: %pe\n", mux->name, clk); + continue; } + + clk_data->clks[mux->id] = clk; } return 0;