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From 69b4339c0b9f3edc6a8f681f05efaaf4add1bb0e Mon Sep 17 00:00:00 2001
From: Hayes Wang <hayeswang@realtek.com>
Date: Fri, 19 Feb 2021 17:04:40 +0800
Subject: [PATCH] r8152: enable U1/U2 for USB_SPEED_SUPER
commit 7a0ae61acde2cebd69665837170405eced86a6c7 upstream.
U1/U2 shoued be enabled for USB 3.0 or later. The USB 2.0 doesn't
support it.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
drivers/net/usb/r8152.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3336,7 +3336,7 @@ static void rtl8153b_runtime_enable(stru
r8153b_ups_en(tp, false);
r8153_queue_wake(tp, false);
rtl_runtime_suspend_enable(tp, false);
- if (tp->udev->speed != USB_SPEED_HIGH)
+ if (tp->udev->speed >= USB_SPEED_SUPER)
r8153b_u1u2en(tp, true);
}
}
@@ -5029,7 +5029,7 @@ static void rtl8153b_up(struct r8152 *tp
r8153_aldps_en(tp, true);
- if (tp->udev->speed != USB_SPEED_HIGH)
+ if (tp->udev->speed >= USB_SPEED_SUPER)
r8153b_u1u2en(tp, true);
}
@@ -5571,8 +5571,9 @@ static void r8153b_init(struct r8152 *tp
ocp_data |= POLL_LINK_CHG;
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
- if (tp->udev->speed != USB_SPEED_HIGH)
+ if (tp->udev->speed >= USB_SPEED_SUPER)
r8153b_u1u2en(tp, true);
+
usb_enable_lpm(tp->udev);
/* MAC clock speed down */
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