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path: root/drivers/usb/mtu3/mtu3_gadget_ep0.c
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Diffstat (limited to 'drivers/usb/mtu3/mtu3_gadget_ep0.c')
-rw-r--r--drivers/usb/mtu3/mtu3_gadget_ep0.c27
1 files changed, 9 insertions, 18 deletions
diff --git a/drivers/usb/mtu3/mtu3_gadget_ep0.c b/drivers/usb/mtu3/mtu3_gadget_ep0.c
index 958d74dd2b78..ebdcf7a38c29 100644
--- a/drivers/usb/mtu3/mtu3_gadget_ep0.c
+++ b/drivers/usb/mtu3/mtu3_gadget_ep0.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* mtu3_gadget_ep0.c - MediaTek USB3 DRD peripheral driver ep0 handling
*
* Copyright (c) 2016 MediaTek Inc.
*
* Author: Chunfeng.Yun <chunfeng.yun@mediatek.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#include <linux/usb/composite.h>
@@ -212,8 +203,8 @@ ep0_get_status(struct mtu3 *mtu, const struct usb_ctrlrequest *setup)
case USB_RECIP_DEVICE:
result[0] = mtu->is_self_powered << USB_DEVICE_SELF_POWERED;
result[0] |= mtu->may_wakeup << USB_DEVICE_REMOTE_WAKEUP;
- /* superspeed only */
- if (mtu->g.speed == USB_SPEED_SUPER) {
+
+ if (mtu->g.speed >= USB_SPEED_SUPER) {
result[0] |= mtu->u1_enable << USB_DEV_STAT_U1_ENABLED;
result[0] |= mtu->u2_enable << USB_DEV_STAT_U2_ENABLED;
}
@@ -329,8 +320,8 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu,
handled = handle_test_mode(mtu, setup);
break;
case USB_DEVICE_U1_ENABLE:
- if (mtu->g.speed != USB_SPEED_SUPER ||
- mtu->g.state != USB_STATE_CONFIGURED)
+ if (mtu->g.speed < USB_SPEED_SUPER ||
+ mtu->g.state != USB_STATE_CONFIGURED)
break;
lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
@@ -344,8 +335,8 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu,
handled = 1;
break;
case USB_DEVICE_U2_ENABLE:
- if (mtu->g.speed != USB_SPEED_SUPER ||
- mtu->g.state != USB_STATE_CONFIGURED)
+ if (mtu->g.speed < USB_SPEED_SUPER ||
+ mtu->g.state != USB_STATE_CONFIGURED)
break;
lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL);
@@ -384,8 +375,8 @@ static int ep0_handle_feature(struct mtu3 *mtu,
break;
case USB_RECIP_INTERFACE:
/* superspeed only */
- if ((value == USB_INTRF_FUNC_SUSPEND)
- && (mtu->g.speed == USB_SPEED_SUPER)) {
+ if (value == USB_INTRF_FUNC_SUSPEND &&
+ mtu->g.speed >= USB_SPEED_SUPER) {
/*
* forward the request because function drivers
* should handle it