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From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: vkoul@kernel.org
Cc: yung-chuan.liao@linux.intel.com,
	pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
	robh@kernel.org, devicetree@vger.kernel.org,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [PATCH v6 9/9] soundwire: qcom: wait for enumeration to be complete in probe
Date: Tue, 30 Mar 2021 15:47:19 +0100	[thread overview]
Message-ID: <20210330144719.13284-10-srinivas.kandagatla@linaro.org> (raw)
In-Reply-To: <20210330144719.13284-1-srinivas.kandagatla@linaro.org>

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 drivers/soundwire/qcom.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index b1dbaf8263e5..b08ecb9b418c 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;
@@ -418,6 +419,7 @@ static int qcom_swrm_enumerate(struct sdw_bus *bus)
 		}
 	}
 
+	complete(&ctrl->enumeration);
 	return 0;
 }
 
@@ -1139,6 +1141,7 @@ 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;
@@ -1185,6 +1188,8 @@ 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;
-- 
2.21.0


WARNING: multiple messages have this Message-ID (diff)
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: vkoul@kernel.org
Cc: robh@kernel.org, alsa-devel@alsa-project.org,
	devicetree@vger.kernel.org, pierre-louis.bossart@linux.intel.com,
	linux-kernel@vger.kernel.org, sanyog.r.kale@intel.com,
	yung-chuan.liao@linux.intel.com
Subject: [PATCH v6 9/9] soundwire: qcom: wait for enumeration to be complete in probe
Date: Tue, 30 Mar 2021 15:47:19 +0100	[thread overview]
Message-ID: <20210330144719.13284-10-srinivas.kandagatla@linaro.org> (raw)
In-Reply-To: <20210330144719.13284-1-srinivas.kandagatla@linaro.org>

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 drivers/soundwire/qcom.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index b1dbaf8263e5..b08ecb9b418c 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;
@@ -418,6 +419,7 @@ static int qcom_swrm_enumerate(struct sdw_bus *bus)
 		}
 	}
 
+	complete(&ctrl->enumeration);
 	return 0;
 }
 
@@ -1139,6 +1141,7 @@ 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;
@@ -1185,6 +1188,8 @@ 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;
-- 
2.21.0


  parent reply	other threads:[~2021-03-30 14:48 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-30 14:47 [PATCH v6 0/9] soundwire: qcom: various improvements Srinivas Kandagatla
2021-03-30 14:47 ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 1/9] dt-bindings: soundwire: qcom: clarify data port bus parameters Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 2/9] soundwire: qcom: add support to missing transport params Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 3/9] soundwire: qcom: set continue execution flag for ignored commands Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 4/9] soundwire: qcom: start the clock during initialization Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 5/9] soundwire: qcom: update register read/write routine Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 6/9] soundwire: qcom: add support to new interrupts Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 7/9] soundwire: export sdw_compare_devid, sdw_extract_slave_id and sdw_slave_add Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` [PATCH v6 8/9] soundwire: qcom: add auto enumeration support Srinivas Kandagatla
2021-03-30 14:47   ` Srinivas Kandagatla
2021-03-30 14:47 ` Srinivas Kandagatla [this message]
2021-03-30 14:47   ` [PATCH v6 9/9] soundwire: qcom: wait for enumeration to be complete in probe Srinivas Kandagatla
2021-03-30 17:25 ` [PATCH v6 0/9] soundwire: qcom: various improvements Vinod Koul
2021-03-30 17:25   ` Vinod Koul

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