linux-kernel - [PATCH 5.4 037/120] usb: xhci-mtk: use @sch_tt to check whether need do TT schedule

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Date:   Mon, 26 Sep 2022 12:11:10 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 037/120] usb: xhci-mtk: use @sch_tt to check whether need do TT schedule

From: Chunfeng Yun <chunfeng.yun@...iatek.com>

[ 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@...iatek.com>
Link: https://lore.kernel.org/r/324a76782ccaf857a8f01f67aee435e8ec7d0e28.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Stable-dep-of: 548011957d1d ("usb: xhci-mtk: relax TT periodic bandwidth allocation")
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/usb/host/xhci-mtk-sch.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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;
-- 
2.35.1