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-rw-r--r--drivers/bluetooth/Kconfig10
-rw-r--r--drivers/bluetooth/btusb.c3
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index e30707405455..fc36057d546d 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -45,6 +45,16 @@ config BT_HCIBTUSB_AUTOSUSPEND
This can be overridden by passing btusb.enable_autosuspend=[y|n]
on the kernel commandline.
+config BT_HCIBTUSB_POLL_SYNC
+ bool "Enable USB poll_sync for Bluetooth USB devices by default"
+ depends on BT_HCIBTUSB
+ help
+ poll_sync synchronizes the USB data and event endpoints by
+ prioritizing the later.
+
+ Say Y here to enable USB poll_sync for Bluetooth USB devices by
+ default.
+
config BT_HCIBTUSB_BCM
bool "Broadcom protocol support"
depends on BT_HCIBTUSB
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1a14447fafa8..8f34bf195bae 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -32,6 +32,7 @@
static bool disable_scofix;
static bool force_scofix;
static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
+static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC);
static bool reset = true;
static struct usb_driver btusb_driver;
@@ -4075,6 +4076,8 @@ static int btusb_probe(struct usb_interface *intf,
if (enable_autosuspend)
usb_enable_autosuspend(data->udev);
+ data->poll_sync = enable_poll_sync;
+
err = hci_register_dev(hdev);
if (err < 0)
goto out_free_dev;