From patchwork Fri Jan 8 08:44:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xu Wang X-Patchwork-Id: 12006069 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 6EA15C433DB for ; Fri, 8 Jan 2021 08:46:11 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EEE1D207C5 for ; Fri, 8 Jan 2021 08:46:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EEE1D207C5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 7884416AC; Fri, 8 Jan 2021 09:45:16 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 7884416AC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1610095566; bh=xCoPf6zoGc5QZM/JJLc+mt/zvp7B+97iF9+Y8mjE98A=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=WYxes4SspDac9bZf9tLdJWEfDfDhPeUujhY3QxD4fTx+o1LnNs6zsDMlsDAKz/SPR NCvCErf9M2ncCQj4O9QhUtQgZ0YB68SDNrVg3UGp1/6SV1VjzIYDE+iEbcY54jeX91 b2ah//3DVHmqadmFCcs8gn1lMXwa7+mBlwS4Qwto= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id BE64AF80165; Fri, 8 Jan 2021 09:45:15 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id DE51FF80166; Fri, 8 Jan 2021 09:45:13 +0100 (CET) Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) by alsa1.perex.cz (Postfix) with ESMTP id 9D916F800FD for ; Fri, 8 Jan 2021 09:45:04 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9D916F800FD Received: from localhost.localdomain (unknown [124.16.141.241]) by APP-01 (Coremail) with SMTP id qwCowAAXHxOKG_hfCUaaAQ--.6846S2; Fri, 08 Jan 2021 16:45:00 +0800 (CST) From: Xu Wang To: lars@metafoo.de, nuno.sa@analog.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org Subject: [PATCH] ASoC: adau17x1: Remove redundant null check before clk_disable_unprepare Date: Fri, 8 Jan 2021 08:44:56 +0000 Message-Id: <20210108084456.6603-1-vulab@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: qwCowAAXHxOKG_hfCUaaAQ--.6846S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZFy8CFy8Aw45GF47uw15urg_yoW3GFb_Ja 18Wr4vgF1DXwnIvryUGrWUZF4vqF1xZFWjkF10yF42qry8Gr43uFyqkw15Cas7A3WkCa45 AF4UXrnxAr4xCjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb4AYjsxI4VWDJwAYFVCjjxCrM7AC8VAFwI0_Gr0_Xr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I 8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6xkF7I0En7xvr7AKxVWUJV W8JwAv7VC2z280aVAFwI0_Gr1j6F4UJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij 64vIr41l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67 AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIY rxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14 v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWrZr1j6s0DMIIF0xvEx4A2jsIE14v26r1j 6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8kWrJ UUUUU== X-Originating-IP: [124.16.141.241] X-CM-SenderInfo: pyxotu46lvutnvoduhdfq/1tbiCggPA1z4jSDJHAAAsS Cc: linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Because clk_disable_unprepare() already checked NULL clock parameter, so the additional check is unnecessary, just remove it. Signed-off-by: Xu Wang --- sound/soc/codecs/adau17x1.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/soc/codecs/adau17x1.c b/sound/soc/codecs/adau17x1.c index 30e072c80ac1..546ee8178038 100644 --- a/sound/soc/codecs/adau17x1.c +++ b/sound/soc/codecs/adau17x1.c @@ -1095,8 +1095,7 @@ void adau17x1_remove(struct device *dev) { struct adau *adau = dev_get_drvdata(dev); - if (adau->mclk) - clk_disable_unprepare(adau->mclk); + clk_disable_unprepare(adau->mclk); } EXPORT_SYMBOL_GPL(adau17x1_remove);