[PATCH v5 9/9] soundwire: qcom: wait for enumeration to be complete in probe

Srinivas Kandagatla
2021-03-26T06:42:31Z

drivers/soundwire/qcom.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index c6c923329b15..706d44200a36 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;
@@ -417,6 +418,7 @@ static int qcom_swrm_enumerate(struct sdw_bus *bus)
}
}

+ complete(&ctrl->enumeration);
return 0;
}

@@ -1155,6 +1157,7 @@ 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;
@@ -1201,6 +1204,8 @@ 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