From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> This adds CONFIG_BT_HCIBTUSB_POLL_SYNC which can be used to set the default behavior of Bluetooth USB controller with respect to poll synchronization of its endpoits. Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> --- drivers/bluetooth/Kconfig | 10 ++++++++++ drivers/bluetooth/btusb.c | 3 +++ 2 files changed, 13 insertions(+) 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 30dd443f395f..bf978d3659cb 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; @@ -3973,6 +3974,8 @@ 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; -- 2.37.3
