From patchwork Wed Oct 26 11:02:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 618992 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 2E874ECDFA1 for ; Wed, 26 Oct 2022 11:02:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233376AbiJZLC0 (ORCPT ); Wed, 26 Oct 2022 07:02:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232931AbiJZLC0 (ORCPT ); Wed, 26 Oct 2022 07:02:26 -0400 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95EA3B56D5 for ; Wed, 26 Oct 2022 04:02:24 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id l16-20020a05600c4f1000b003c6c0d2a445so1255063wmq.4 for ; Wed, 26 Oct 2022 04:02:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Iq+UTjOWMyquGHaqNGU9bVUM+RbHUdDoO13dPtnzSfU=; b=kkr8je1+7h37yq2UCQzx7bziwp9BgRGHNSqBb7MHWFDsWbjGPduEr3Jl4E1yYfBt0Q 2rH15nIYWCvOOnIr8WyHRKxRHoqQFq1ctID5UQJJ27i0gf4/9mbP647SAxtQEEd70ciO xE+gccJPfzpgshvNKQIhRcfy0mF3ECaew3cgZz7OeL8zh2jlodY2AeFhDGYLNK4BCj7i LfgT8ODc6dk9tcQcKjJzUIq2h3A515ZhcAmRFDopXRHNoNPCnbKneJOUv34RYE1KLypw r3Ro1TF5ufrWemVsjdkN3Q9NoZsxph7y2TBCpZvSpDmSaREstiDlBhBjg5zlNyYtWRTZ zlkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Iq+UTjOWMyquGHaqNGU9bVUM+RbHUdDoO13dPtnzSfU=; b=bFk6RSecm9YByrilOS/ei8VVTTrS/rW9l3n6V6YyKPI8nrNUtEUGDFE5vttTPhz8jm fi4nHqWCWDtgsNfISMtVg/vuHSL5+9z9RFT4c16KJBOqYnfbCnAz8JqadzpGyO44oD1Z YGbiDRNr7DiH4s874/swmQBtuV0IRLvqdkiBH0mP15ZQLrvOUesdV1U6pbl47rlm59QC tEmHQ0PCaHFpnZea/DCIe6Eatbd24GSwxfVkcQUffU8rkg5hdKe9s6ZZNznzYG43WKtX 7CrswJf0i/8Ww4392s/XDmy/24BcDdplXZtpkhEFAvExUcINtLR9oC3N1LL0m+RB7njr oV/Q== X-Gm-Message-State: ACrzQf2G3Kpq9Fck9gWiYH/XrSNItL9GOmRHuwYeap8G64yFiNB8Z6ok +9aY/MdC9ajHON7x8BQyx6+PVg== X-Google-Smtp-Source: AMsMyM5ZSYi57o1Z5QN7tWgoVXorQQMv/TaZXk+ZadlHoHTu14idvd4TR9hgJSmpkJHVthLxM8k9cg== X-Received: by 2002:a05:600c:3585:b0:3c7:9f:5f87 with SMTP id p5-20020a05600c358500b003c7009f5f87mr2101249wmq.76.1666782143122; Wed, 26 Oct 2022 04:02:23 -0700 (PDT) Received: from localhost.localdomain ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id z7-20020a5d44c7000000b0023672104c24sm5237415wrr.74.2022.10.26.04.02.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Oct 2022 04:02:22 -0700 (PDT) From: Srinivas Kandagatla To: vkoul@kernel.org, yung-chuan.liao@linux.intel.com Cc: andersson@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, srinivas.kandagatla@linaro.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH 1/6] soundwire: qcom: reinit broadcast completion Date: Wed, 26 Oct 2022 12:02:05 +0100 Message-Id: <20221026110210.6575-2-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20221026110210.6575-1-srinivas.kandagatla@linaro.org> References: <20221026110210.6575-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org For some reason we never reinit the broadcast completion, there is a danger that broadcast commands could be treated as completed by driver from previous complete status. Fix this by reinitializing the completion before sending a broadcast command. Fixes: ddea6cf7b619 ("soundwire: qcom: update register read/write routine") Signed-off-by: Srinivas Kandagatla --- drivers/soundwire/qcom.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index b33d5db494a5..8f1a1eb017a2 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -344,6 +344,9 @@ static int qcom_swrm_cmd_fifo_wr_cmd(struct qcom_swrm_ctrl *swrm, u8 cmd_data, if (swrm_wait_for_wr_fifo_avail(swrm)) return SDW_CMD_FAIL_OTHER; + if (cmd_id == SWR_BROADCAST_CMD_ID) + reinit_completion(&swrm->broadcast); + /* Its assumed that write is okay as we do not get any status back */ swrm->reg_write(swrm, SWRM_CMD_FIFO_WR_CMD, val);