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authorXiaolei Wang <xiaolei.wang@windriver.com>2020-11-10 18:13:11 +0800
committerMarcel Holtmann <marcel@holtmann.org>2020-11-11 10:57:36 +0100
commit844c79bd5995185cf1ab56e4eae9dd9e50204aeb (patch)
tree21246e012cbaf0d29fa1e736dad82504cc0ad272 /drivers/bluetooth/hci_ll.c
parentf496297e76a69db7b52257898570bd38b8b9c92b (diff)
Bluetooth: hci_ll: add a small delay for wl1271 enable bt_en
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> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/hci_ll.c')
-rw-r--r--drivers/bluetooth/hci_ll.c1
1 files changed, 1 insertions, 0 deletions
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");