diff --git a/patches.kernel.org/6.2.2-009-wifi-rtw88-usb-send-Zero-length-packets-if-nece.patch b/patches.kernel.org/6.2.2-009-wifi-rtw88-usb-send-Zero-length-packets-if-nece.patch new file mode 100644 index 0000000..810faa0 --- /dev/null +++ b/patches.kernel.org/6.2.2-009-wifi-rtw88-usb-send-Zero-length-packets-if-nece.patch @@ -0,0 +1,38 @@ +From: Sascha Hauer +Date: Fri, 10 Feb 2023 12:16:31 +0100 +Subject: [PATCH] wifi: rtw88: usb: send Zero length packets if necessary +References: bsc#1012628 +Patch-mainline: 6.2.2 +Git-commit: 07ce9fa6ab0e5e4cb5516a1f7c754ab2758fe5cd + +commit 07ce9fa6ab0e5e4cb5516a1f7c754ab2758fe5cd upstream. + +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 +Reviewed-by: Ping-Ke Shih +Signed-off-by: Kalle Valo +Link: https://lore.kernel.org/r/20230210111632.1985205-3-s.hauer@pengutronix.de +Signed-off-by: Greg Kroah-Hartman +Signed-off-by: Jiri Slaby +--- + 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 d9e99554..1a09c928 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); +-- +2.35.3 + diff --git a/series.conf b/series.conf index b0f6984..9787613 100644 --- a/series.conf +++ b/series.conf @@ -48,6 +48,7 @@ patches.kernel.org/6.2.2-006-drm-amd-display-Properly-reuse-completion-struc.patch patches.kernel.org/6.2.2-007-scripts-tags.sh-fix-incompatibility-with-PCRE2.patch patches.kernel.org/6.2.2-008-wifi-rtw88-usb-Set-qsel-correctly.patch + patches.kernel.org/6.2.2-009-wifi-rtw88-usb-send-Zero-length-packets-if-nece.patch ######################################################## # Build fixes that apply to the vanilla kernel too.