From patchwork Wed Mar 2 03:09:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiasheng Jiang X-Patchwork-Id: 12765439 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id B836DC433FE for ; Wed, 2 Mar 2022 03:10:10 +0000 (UTC) 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 2010217DE; Wed, 2 Mar 2022 04:09:18 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2010217DE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1646190608; bh=cf59QRbFuVQvOE3eA4G7qqX0jLYNdZZGJMxAOIgIj3M=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=pyCgDrGHiKl9PtilAj6Z8OYSDzW5y0GTObDY8ec7q6zTaSrkekYGzsaf4u3TmuQ/q BrUiwIeQHgdEtMA7GD4Qx/lypCDP7SxD/LKvuqSnaP+Yo3zjIA0bOBQ9ZayIBZKJq2 Mz5whl7wpr/7NMDNcI1hrTNv9jc+JY+23DFv+Bm0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id AFD87F80171; Wed, 2 Mar 2022 04:09:17 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id C1C58F801D5; Wed, 2 Mar 2022 04:09:16 +0100 (CET) Received: from cstnet.cn (smtp23.cstnet.cn [159.226.251.23]) by alsa1.perex.cz (Postfix) with ESMTP id DA4B3F80154 for ; Wed, 2 Mar 2022 04:09:08 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz DA4B3F80154 Received: from localhost.localdomain (unknown [124.16.138.126]) by APP-03 (Coremail) with SMTP id rQCowACXnsLO3x5iwKaQAQ--.25965S2; Wed, 02 Mar 2022 11:09:03 +0800 (CST) From: Jiasheng Jiang To: broonie@kernel.org Subject: [PATCH v2] ASoC: fsi: Add check for clk_enable Date: Wed, 2 Mar 2022 11:09:00 +0800 Message-Id: <20220302030900.46341-1-jiasheng@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: rQCowACXnsLO3x5iwKaQAQ--.25965S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Xr47tF15uFW3uw4kKFW7Arb_yoWkXwb_Aa 1jg39Iq3W5urWfCasrJr4UA34j9r47Za4UGryIq3Z3tayUJrs8ur48Z3sYvrn0qw1Y9as3 Aa1DZr4xArW3CjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbxAFF20E14v26ryj6rWUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVWxJr 0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4 xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r4a6rW5 MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I 0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWrZr1j6s0DMIIF0xvEx4A2jsIE14v2 6r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0J UQvtAUUUUU= X-Originating-IP: [124.16.138.126] X-CM-SenderInfo: pmld2xxhqjqxpvfd2hldfou0/ Cc: alsa-devel@alsa-project.org, songliubraving@fb.com, Jiasheng Jiang , ast@kernel.org, kuninori.morimoto.gx@renesas.com, daniel@iogearbox.net, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, john.fastabend@gmail.com, andrii@kernel.org, tiwai@suse.com, netdev@vger.kernel.org, kpsingh@kernel.org, yhs@fb.com, f.suligoi@asem.it, kafai@fb.com 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" As the potential failure of the clk_enable(), it should be better to check it and return error if fails. Fixes: ab6f6d85210c ("ASoC: fsi: add master clock control functions") Signed-off-by: Jiasheng Jiang --- Changelog: v1 -> v2 * Change 1. Seperate the error handler. --- sound/soc/sh/fsi.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index cdf3b7f69ba7..91050478844a 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -816,14 +816,27 @@ static int fsi_clk_enable(struct device *dev, return ret; } - clk_enable(clock->xck); - clk_enable(clock->ick); - clk_enable(clock->div); + ret = clk_enable(clock->xck); + if (ret) + goto err; + ret = clk_enable(clock->ick); + if (ret) + goto disable_xck; + ret = clk_enable(clock->div); + if (ret) + goto disable_ick; clock->count++; } return ret; + +disable_xck: + clk_disable(clock->xck); +disable_ick: + clk_disable(clock->ick); +err: + return ret; } static int fsi_clk_disable(struct device *dev,