diff options
Diffstat (limited to 'drivers/bluetooth/hci_qca.c')
| -rw-r--r-- | drivers/bluetooth/hci_qca.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 1837622ea625..e6ad01d5e1d5 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -2363,10 +2363,17 @@ static int qca_serdev_probe(struct serdev_device *serdev) */ qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev, "bluetooth"); - if (IS_ERR(qcadev->bt_power->pwrseq)) - return PTR_ERR(qcadev->bt_power->pwrseq); - break; + /* + * Some modules have BT_EN enabled via a hardware pull-up, + * meaning it is not defined in the DTS and is not controlled + * through the power sequence. In such cases, fall through + * to follow the legacy flow. + */ + if (IS_ERR(qcadev->bt_power->pwrseq)) + qcadev->bt_power->pwrseq = NULL; + else + break; } fallthrough; case QCA_WCN3988: @@ -2385,14 +2392,14 @@ static int qca_serdev_probe(struct serdev_device *serdev) qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable", GPIOD_OUT_LOW); - if (IS_ERR(qcadev->bt_en) && - (data->soc_type == QCA_WCN6750 || - data->soc_type == QCA_WCN6855)) { - dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n"); - return PTR_ERR(qcadev->bt_en); - } + if (IS_ERR(qcadev->bt_en)) + return dev_err_probe(&serdev->dev, + PTR_ERR(qcadev->bt_en), + "failed to acquire BT_EN gpio\n"); - if (!qcadev->bt_en) + if (!qcadev->bt_en && + (data->soc_type == QCA_WCN6750 || + data->soc_type == QCA_WCN6855)) power_ctrl_enabled = false; qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl", |