From 69b4339c0b9f3edc6a8f681f05efaaf4add1bb0e Mon Sep 17 00:00:00 2001 From: Hayes Wang 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 Signed-off-by: Jakub Kicinski --- 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 */