diff mbox series

[v1] Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc.

Message ID 1621304202-5675-1-git-send-email-zijuhu@codeaurora.org
State Superseded
Headers show
Series [v1] Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc. | expand

Commit Message

Zijun Hu May 18, 2021, 2:16 a.m. UTC 
From: Tim Jiang <tjiang@codeaurora.org>

This is btsoc timing issue, host add 20ms delay as workaround.

Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
---
 drivers/bluetooth/btusb.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Marcel Holtmann May 20, 2021, 3:21 p.m. UTC | #1 
Hi Zijun,

> This is btsoc timing issue, host add 20ms delay as workaround.

> 

> Signed-off-by: Tim Jiang <tjiang@codeaurora.org>

> ---

> drivers/bluetooth/btusb.c | 1 +

> 1 file changed, 1 insertion(+)

> 

> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c

> index 5245714..b0743db 100644

> --- a/drivers/bluetooth/btusb.c

> +++ b/drivers/bluetooth/btusb.c

> @@ -4064,6 +4064,7 @@ static int btusb_setup_qca_download_fw(struct hci_dev *hdev,

> 

> 	sent += size;

> 	count -= size;

> +	msleep(20);


please add a comment and more details on why this is needed.

Regards

Marcel
diff mbox series

Patch

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 5245714..b0743db 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4064,6 +4064,7 @@  static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
 
 	sent += size;
 	count -= size;
+	msleep(20);
 
 	while (count) {
 		size = min_t(size_t, count, QCA_DFU_PACKET_LEN);