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[92.233.226.227]) by smtp.gmail.com with ESMTPSA id h22sm19490589wmb.36.2021.03.08.05.50.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Mar 2021 05:50:14 -0800 (PST) From: Srinivas Kandagatla To: vkoul@kernel.org Subject: [PATCH v3 9/9] soundwire: qcom: wait for enumeration to be complete in probe Date: Mon, 8 Mar 2021 13:49:57 +0000 Message-Id: <20210308134957.16024-10-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20210308134957.16024-1-srinivas.kandagatla@linaro.org> References: <20210308134957.16024-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, pierre-louis.bossart@linux.intel.com, linux-kernel@vger.kernel.org, Srinivas Kandagatla , sanyog.r.kale@intel.com, yung-chuan.liao@linux.intel.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" Signed-off-by: Srinivas Kandagatla --- drivers/soundwire/qcom.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index 3109ec6c33ac..578a392bfbee 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -123,6 +123,7 @@ struct qcom_swrm_ctrl { struct regmap *regmap; void __iomem *mmio; struct completion broadcast; + struct completion enumeration; struct work_struct slave_work; /* Port alloc/free lock */ struct mutex port_lock; @@ -415,6 +416,7 @@ static int qcom_swrm_enumerate(struct sdw_bus *bus) sdw_slave_add(bus, &id, NULL); } + complete(&ctrl->enumeration); return 0; } @@ -1134,6 +1136,7 @@ static int qcom_swrm_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, ctrl); mutex_init(&ctrl->port_lock); init_completion(&ctrl->broadcast); + init_completion(&ctrl->enumeration); ctrl->bus.ops = &qcom_swrm_ops; ctrl->bus.port_ops = &qcom_swrm_port_ops; @@ -1180,6 +1183,8 @@ static int qcom_swrm_probe(struct platform_device *pdev) } qcom_swrm_init(ctrl); + wait_for_completion_timeout(&ctrl->enumeration, + msecs_to_jiffies(TIMEOUT_MS)); ret = qcom_swrm_register_dais(ctrl); if (ret) goto err_master_add;