diff options
Diffstat (limited to 'drivers/bluetooth/hci_h5.c')
-rw-r--r-- | drivers/bluetooth/hci_h5.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 0c0dedece59c..34286ffe0568 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -587,9 +587,11 @@ static int h5_recv(struct hci_uart *hu, const void *data, int count) count -= processed; } - pm_runtime_get(&hu->serdev->dev); - pm_runtime_mark_last_busy(&hu->serdev->dev); - pm_runtime_put_autosuspend(&hu->serdev->dev); + if (hu->serdev) { + pm_runtime_get(&hu->serdev->dev); + pm_runtime_mark_last_busy(&hu->serdev->dev); + pm_runtime_put_autosuspend(&hu->serdev->dev); + } return 0; } @@ -814,7 +816,6 @@ static int h5_serdev_probe(struct serdev_device *serdev) struct device *dev = &serdev->dev; struct h5 *h5; const struct h5_device_data *data; - int err; h5 = devm_kzalloc(dev, sizeof(*h5), GFP_KERNEL); if (!h5) @@ -846,6 +847,8 @@ static int h5_serdev_probe(struct serdev_device *serdev) h5->vnd = data->vnd; } + if (data->driver_info & H5_INFO_WAKEUP_DISABLE) + set_bit(H5_WAKEUP_DISABLE, &h5->flags); h5->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW); if (IS_ERR(h5->enable_gpio)) @@ -856,14 +859,7 @@ static int h5_serdev_probe(struct serdev_device *serdev) if (IS_ERR(h5->device_wake_gpio)) return PTR_ERR(h5->device_wake_gpio); - err = hci_uart_register_device(&h5->serdev_hu, &h5p); - if (err) - return err; - - if (data->driver_info & H5_INFO_WAKEUP_DISABLE) - set_bit(H5_WAKEUP_DISABLE, &h5->flags); - - return 0; + return hci_uart_register_device(&h5->serdev_hu, &h5p); } static void h5_serdev_remove(struct serdev_device *serdev) @@ -962,11 +958,13 @@ static void h5_btrtl_open(struct h5 *h5) serdev_device_set_parity(h5->hu->serdev, SERDEV_PARITY_EVEN); serdev_device_set_baudrate(h5->hu->serdev, 115200); - pm_runtime_set_active(&h5->hu->serdev->dev); - pm_runtime_use_autosuspend(&h5->hu->serdev->dev); - pm_runtime_set_autosuspend_delay(&h5->hu->serdev->dev, - SUSPEND_TIMEOUT_MS); - pm_runtime_enable(&h5->hu->serdev->dev); + if (!test_bit(H5_WAKEUP_DISABLE, &h5->flags)) { + pm_runtime_set_active(&h5->hu->serdev->dev); + pm_runtime_use_autosuspend(&h5->hu->serdev->dev); + pm_runtime_set_autosuspend_delay(&h5->hu->serdev->dev, + SUSPEND_TIMEOUT_MS); + pm_runtime_enable(&h5->hu->serdev->dev); + } /* The controller needs up to 500ms to wakeup */ gpiod_set_value_cansleep(h5->enable_gpio, 1); @@ -976,7 +974,8 @@ static void h5_btrtl_open(struct h5 *h5) static void h5_btrtl_close(struct h5 *h5) { - pm_runtime_disable(&h5->hu->serdev->dev); + if (!test_bit(H5_WAKEUP_DISABLE, &h5->flags)) + pm_runtime_disable(&h5->hu->serdev->dev); gpiod_set_value_cansleep(h5->device_wake_gpio, 0); gpiod_set_value_cansleep(h5->enable_gpio, 0); |