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path: root/drivers/bluetooth/hci_bcm.c
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Diffstat (limited to 'drivers/bluetooth/hci_bcm.c')
-rw-r--r--drivers/bluetooth/hci_bcm.c35
1 files changed, 16 insertions, 19 deletions
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index b236cb11c0dc..8ea5ca8d71d6 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -118,6 +118,7 @@ struct bcm_device {
u32 oper_speed;
int irq;
bool irq_active_low;
+ bool irq_acquired;
#ifdef CONFIG_PM
struct hci_uart *hu;
@@ -333,6 +334,8 @@ static int bcm_request_irq(struct bcm_data *bcm)
goto unlock;
}
+ bdev->irq_acquired = true;
+
device_init_wakeup(bdev->dev, true);
pm_runtime_set_autosuspend_delay(bdev->dev,
@@ -514,7 +517,7 @@ static int bcm_close(struct hci_uart *hu)
}
if (bdev) {
- if (IS_ENABLED(CONFIG_PM) && bdev->irq > 0) {
+ if (IS_ENABLED(CONFIG_PM) && bdev->irq_acquired) {
devm_free_irq(bdev->dev, bdev->irq, bdev);
device_init_wakeup(bdev->dev, false);
pm_runtime_disable(bdev->dev);
@@ -550,8 +553,7 @@ static int bcm_flush(struct hci_uart *hu)
static int bcm_setup(struct hci_uart *hu)
{
struct bcm_data *bcm = hu->priv;
- char fw_name[64];
- const struct firmware *fw;
+ bool fw_load_done = false;
unsigned int speed;
int err;
@@ -560,21 +562,12 @@ static int bcm_setup(struct hci_uart *hu)
hu->hdev->set_diag = bcm_set_diag;
hu->hdev->set_bdaddr = btbcm_set_bdaddr;
- err = btbcm_initialize(hu->hdev, fw_name, sizeof(fw_name), false);
+ err = btbcm_initialize(hu->hdev, &fw_load_done);
if (err)
return err;
- err = request_firmware(&fw, fw_name, &hu->hdev->dev);
- if (err < 0) {
- bt_dev_info(hu->hdev, "BCM: Patch %s not found", fw_name);
+ if (!fw_load_done)
return 0;
- }
-
- err = btbcm_patchram(hu->hdev, fw);
- if (err) {
- bt_dev_info(hu->hdev, "BCM: Patch failed (%d)", err);
- goto finalize;
- }
/* Init speed if any */
if (hu->init_speed)
@@ -613,13 +606,16 @@ static int bcm_setup(struct hci_uart *hu)
btbcm_write_pcm_int_params(hu->hdev, &params);
}
-finalize:
- release_firmware(fw);
-
- err = btbcm_finalize(hu->hdev);
+ err = btbcm_finalize(hu->hdev, &fw_load_done);
if (err)
return err;
+ /* Some devices ship with the controller default address.
+ * Allow the bootloader to set a valid address through the
+ * device tree.
+ */
+ set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hu->hdev->quirks);
+
if (!bcm_request_irq(bcm))
err = bcm_setup_sleep(hu);
@@ -1153,7 +1149,8 @@ static int bcm_of_probe(struct bcm_device *bdev)
device_property_read_u8_array(bdev->dev, "brcm,bt-pcm-int-params",
bdev->pcm_int_params, 5);
bdev->irq = of_irq_get_byname(bdev->dev->of_node, "host-wakeup");
-
+ bdev->irq_active_low = irq_get_trigger_type(bdev->irq)
+ & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_LEVEL_LOW);
return 0;
}