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,
linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org,
Srinivas Kandagatla <srinivas.kandagatla@linaro.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 [thread overview]
Message-ID: <20210308134957.16024-10-srinivas.kandagatla@linaro.org> (raw)
In-Reply-To: <20210308134957.16024-1-srinivas.kandagatla@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
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;
--
2.21.0
prev parent reply other threads:[~2021-03-08 13:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 13:49 [PATCH v3 0/9] soundwire: qcom: various improvements Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 1/9] dt-bindings: soundwire: qcom: clarify data port bus parameters Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 2/9] soundwire: qcom: add support to missing transport params Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 3/9] soundwire: qcom: set continue execution flag for ignored commands Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 4/9] soundwire: qcom: start the clock during initialization Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 5/9] soundwire: qcom: update register read/write routine Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 6/9] soundwire: qcom: add support to new interrupts Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 7/9] soundwire: export sdw_compare_devid() and sdw_extract_slave_id() Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 8/9] soundwire: qcom: add auto enumeration support Srinivas Kandagatla
2021-03-08 15:56 ` Pierre-Louis Bossart
2021-03-08 16:16 ` Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla [this message]
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