[PATCH net-next 1/4] r8152: enable U1/U2 for USB_SPEED_SUPER

From: Hayes Wang
Date: Fri Feb 19 2021 - 04:09:22 EST


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@xxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 2d7cc63bef89..4bfee289aa6f 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3360,7 +3360,7 @@ static void rtl8153b_runtime_enable(struct r8152 *tp, bool enable)
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);
}
}
@@ -5056,7 +5056,7 @@ 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);
}

@@ -5572,8 +5572,9 @@ 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 */
--
2.26.2