Messages in this thread | | | Subject | Re: [PATCH] Bluetooth: hci_ll: add a small delay for wl1271 enable bt_en | From | Marcel Holtmann <> | Date | Mon, 9 Nov 2020 13:43:43 +0100 |
| |
Hi Xiaolei,
> When using the wl1271 Bluetooth function of am335x, it is found that the Bluetooth module cannot respond in time after Bluetooth is enabled, and a small delay is needed to work normally, so whether to add a small mdelay. > > Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com> > --- > drivers/bluetooth/hci_ll.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c index 8bfe024d1fcd..eb1e736efeeb 100644 > --- a/drivers/bluetooth/hci_ll.c > +++ b/drivers/bluetooth/hci_ll.c > @@ -626,6 +626,7 @@ static int ll_setup(struct hci_uart *hu) > gpiod_set_value_cansleep(lldev->enable_gpio, 0); > msleep(5); > gpiod_set_value_cansleep(lldev->enable_gpio, 1); > + mdelay(100); > err = serdev_device_wait_for_cts(serdev, true, 200); > if (err) { > bt_dev_err(hu->hdev, "Failed to get CTS");
please submit patches in the proper format and encoding.
Regardes
Marcel
| |