Messages in this thread Patch in this message | | | From | Sascha Hauer <> | Subject | [PATCH v2 2/3] wifi: rtw88: usb: send Zero length packets if necessary | Date | Fri, 10 Feb 2023 12:16:31 +0100 |
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Zero length packets are necessary when sending URBs with size multiple of bulkout_size, otherwise the hardware just stalls.
Fixes: a82dfd33d1237 ("wifi: rtw88: Add common USB chip support") Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- drivers/net/wireless/realtek/rtw88/usb.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c index d9e995544e405..1a09c9288198a 100644 --- a/drivers/net/wireless/realtek/rtw88/usb.c +++ b/drivers/net/wireless/realtek/rtw88/usb.c @@ -271,6 +271,7 @@ static int rtw_usb_write_port(struct rtw_dev *rtwdev, u8 qsel, struct sk_buff *s return -ENOMEM; usb_fill_bulk_urb(urb, usbd, pipe, skb->data, skb->len, cb, context); + urb->transfer_flags |= URB_ZERO_PACKET; ret = usb_submit_urb(urb, GFP_ATOMIC); usb_free_urb(urb); -- 2.30.2
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