diff mbox series

[v2] Bluetooth: hci_ll: add a small delay for wl1271 enable bt_en

Message ID 20201110101311.1657220-1-xiaolei.wang@windriver.com
State Accepted
Commit 844c79bd5995185cf1ab56e4eae9dd9e50204aeb
Headers show
Series [v2] Bluetooth: hci_ll: add a small delay for wl1271 enable bt_en | expand

Commit Message

Xiaolei Wang Nov. 10, 2020, 10:13 a.m. UTC
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(+)

Comments

bluez.test.bot@gmail.com Nov. 10, 2020, 10:47 a.m. UTC | #1
This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=381061

---Test result---

##############################
Test: CheckPatch - PASS

##############################
Test: CheckGitLint - PASS

##############################
Test: CheckBuildK - PASS



---
Regards,
Linux Bluetooth
Marcel Holtmann Nov. 11, 2020, 9:58 a.m. UTC | #2
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(+)


patch has been applied to bluetooth-next tree.

Regards

Marcel
diff mbox series

Patch

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");