* [PATCH v1] Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc.
@ 2021-05-18 2:16 Zijun Hu
2021-05-20 15:21 ` Marcel Holtmann
0 siblings, 1 reply; 2+ messages in thread
From: Zijun Hu @ 2021-05-18 2:16 UTC (permalink / raw)
To: marcel, johan.hedberg, luiz.dentz
Cc: linux-kernel, linux-bluetooth, linux-arm-msm, bgodavar, c-hbandi,
hemantg, mka, rjliao, zijuhu, tjiang
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(+)
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);
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v1] Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc.
2021-05-18 2:16 [PATCH v1] Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc Zijun Hu
@ 2021-05-20 15:21 ` Marcel Holtmann
0 siblings, 0 replies; 2+ messages in thread
From: Marcel Holtmann @ 2021-05-20 15:21 UTC (permalink / raw)
To: Zijun Hu
Cc: Johan Hedberg, Luiz Augusto von Dentz, linux-kernel,
linux-bluetooth, linux-arm-msm, bgodavar, c-hbandi, hemantg, mka,
rjliao, tjiang
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-05-18 2:16 [PATCH v1] Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc Zijun Hu
2021-05-20 15:21 ` Marcel Holtmann
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