Messages in this thread | | | Subject | Re: [PATCH v1] Bluetooth: btusb: fix bt fiwmare downloading failure issue for qca btsoc. | From | Marcel Holtmann <> | Date | Thu, 20 May 2021 17:21:30 +0200 |
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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
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