target/linux/bcm27xx/patches-5.10/950-0548-r8152-enable-U1-U2-for-USB_SPEED_SUPER.patch

   1 From 69b4339c0b9f3edc6a8f681f05efaaf4add1bb0e Mon Sep 17 00:00:00 2001
   2 From: Hayes Wang <hayeswang@realtek.com>
   3 Date: Fri, 19 Feb 2021 17:04:40 +0800
   4 Subject: [PATCH] r8152: enable U1/U2 for USB_SPEED_SUPER
   5
   6 commit 7a0ae61acde2cebd69665837170405eced86a6c7 upstream.
   7
   8 U1/U2 shoued be enabled for USB 3.0 or later. The USB 2.0 doesn't
   9 support it.
  10
  11 Signed-off-by: Hayes Wang <hayeswang@realtek.com>
  12 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  13 ---
  14  drivers/net/usb/r8152.c | 7 ++++---
  15  1 file changed, 4 insertions(+), 3 deletions(-)
  16
  17 --- a/drivers/net/usb/r8152.c
  18 +++ b/drivers/net/usb/r8152.c
  19 @@ -3335,7 +3335,7 @@ static void rtl8153b_runtime_enable(stru
  20                 r8153b_ups_en(tp, false);
  21                 r8153_queue_wake(tp, false);
  22                 rtl_runtime_suspend_enable(tp, false);
  23 -               if (tp->udev->speed != USB_SPEED_HIGH)
  24 +               if (tp->udev->speed >= USB_SPEED_SUPER)
  25                         r8153b_u1u2en(tp, true);
  26         }
  27  }
  28 @@ -5028,7 +5028,7 @@ static void rtl8153b_up(struct r8152 *tp
  29
  30         r8153_aldps_en(tp, true);
  31
  32 -       if (tp->udev->speed != USB_SPEED_HIGH)
  33 +       if (tp->udev->speed >= USB_SPEED_SUPER)
  34                 r8153b_u1u2en(tp, true);
  35  }
  36
  37 @@ -5550,8 +5550,9 @@ static void r8153b_init(struct r8152 *tp
  38         ocp_data |= POLL_LINK_CHG;
  39         ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
  40
  41 -       if (tp->udev->speed != USB_SPEED_HIGH)
  42 +       if (tp->udev->speed >= USB_SPEED_SUPER)
  43                 r8153b_u1u2en(tp, true);
  44 +
  45         usb_enable_lpm(tp->udev);
  46
  47         /* MAC clock speed down */