This is a note to let you know that I've just added the patch titled
usb: xhci-mtk: use @sch_tt to check whether need do TT schedule
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-xhci-mtk-use-sch_tt-to-check-whether-need-do-tt-.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit aa177a9a2b7eb1c91b20e9b41576a613757234b6
Author: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
Date: Mon Mar 8 10:51:54 2021 +0800
usb: xhci-mtk: use @sch_tt to check whether need do TT schedule
[ Upstream commit 4a56adf4fafbc41ceffce0c3f385f59d4fc3c16a ]
It's clearer to use @sch_tt to check whether need do TT schedule,
no function is changed.
Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/324a76782ccaf857a8f01f67aee435e8ec7d0e28.1615170625.git.chunfeng.yun@xxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Stable-dep-of: 548011957d1d ("usb: xhci-mtk: relax TT periodic bandwidth allocation")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index 59ba25ca018d..b1da3cb077c9 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -548,7 +548,7 @@ static int check_sch_bw(struct usb_device *udev,
min_num_budget = sch_ep->num_budget_microframes;
esit_boundary = get_esit_boundary(sch_ep);
for (offset = 0; offset < sch_ep->esit; offset++) {
- if (is_fs_or_ls(udev->speed)) {
+ if (sch_ep->sch_tt) {
ret = check_sch_tt(udev, sch_ep, offset);
if (ret)
continue;
@@ -585,7 +585,7 @@ static int check_sch_bw(struct usb_device *udev,
sch_ep->cs_count = min_cs_count;
sch_ep->num_budget_microframes = min_num_budget;
- if (is_fs_or_ls(udev->speed)) {
+ if (sch_ep->sch_tt) {
/* all offset for tt is not ok*/
if (!tt_offset_ok)
return -ERANGE;
