Re: [PATCH v3 3/7] Bluetooth: hci_qca: provide default device data

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On Mon 21 Jun 17:31 CDT 2021, Dmitry Baryshkov wrote:

> In order to simplify probe function provide default device data. This
> removes the rest of if (data) checks.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>  drivers/bluetooth/hci_qca.c | 24 ++++++++++++++----------
>  1 file changed, 14 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
> index 53deea2eb7b4..3704dbadba1d 100644
> --- a/drivers/bluetooth/hci_qca.c
> +++ b/drivers/bluetooth/hci_qca.c
> @@ -1874,6 +1874,11 @@ static const struct qca_device_data qca_soc_data_wcn6750 = {
>  	.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
>  };
>  
> +static const struct qca_device_data qca_soc_data_default = {
> +	.soc_type = QCA_ROME,
> +	.num_vregs = 0,
> +};
> +
>  static void qca_power_shutdown(struct hci_uart *hu)
>  {
>  	struct qca_serdev *qcadev;
> @@ -2019,12 +2024,15 @@ static int qca_serdev_probe(struct serdev_device *serdev)
>  	int err;
>  	bool power_ctrl_enabled = true;
>  
> +	data = device_get_match_data(&serdev->dev);
> +	if (!data)
> +		return -EINVAL;
> +
>  	qcadev = devm_kzalloc(&serdev->dev, sizeof(*qcadev), GFP_KERNEL);
>  	if (!qcadev)
>  		return -ENOMEM;
>  
>  	qcadev->serdev_hu.serdev = serdev;
> -	data = device_get_match_data(&serdev->dev);
>  	serdev_device_set_drvdata(serdev, qcadev);
>  	device_property_read_string(&serdev->dev, "firmware-name",
>  					 &qcadev->firmware_name);
> @@ -2033,9 +2041,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
>  	if (!qcadev->oper_speed)
>  		BT_DBG("UART will pick default operating speed");
>  
> -	if (data &&
> -	    (qca_is_wcn399x(data->soc_type) ||
> -	    qca_is_wcn6750(data->soc_type))) {
> +	if ((qca_is_wcn399x(data->soc_type) ||
> +	     qca_is_wcn6750(data->soc_type))) {
>  		qcadev->btsoc_type = data->soc_type;
>  		qcadev->bt_power = devm_kzalloc(&serdev->dev,
>  						sizeof(struct qca_power),
> @@ -2077,10 +2084,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
>  			return err;
>  		}
>  	} else {
> -		if (data)
> -			qcadev->btsoc_type = data->soc_type;
> -		else
> -			qcadev->btsoc_type = QCA_ROME;
> +		qcadev->btsoc_type = data->soc_type;
>  
>  		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
>  					       GPIOD_OUT_LOW);
> @@ -2309,9 +2313,9 @@ static SIMPLE_DEV_PM_OPS(qca_pm_ops, qca_suspend, qca_resume);
>  
>  #ifdef CONFIG_OF
>  static const struct of_device_id qca_bluetooth_of_match[] = {
> -	{ .compatible = "qcom,qca6174-bt" },
> +	{ .compatible = "qcom,qca6174-bt", .data = &qca_soc_data_default},
>  	{ .compatible = "qcom,qca6390-bt", .data = &qca_soc_data_qca6390},
> -	{ .compatible = "qcom,qca9377-bt" },
> +	{ .compatible = "qcom,qca9377-bt", .data = &qca_soc_data_default},
>  	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
>  	{ .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991},
>  	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
> -- 
> 2.30.2
> 



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