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r8152: don't enable U1U2 with USB_SPEED_HIGH for RTL8153B 

For certain platforms, it causes USB reset periodically.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hayes Wang 2020-01-22 16:02:11 +08:00 committed by David S. Miller
parent d7f1b59655
commit a0246dafe6
1 changed files with 8 additions and 3 deletions
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11
drivers/net/usb/r8152.c
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@ -3391,7 +3391,8 @@ 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);
r8153b_u1u2en(tp, true);
if (tp->udev->speed != USB_SPEED_HIGH)
r8153b_u1u2en(tp, true);
}
}
@ -5024,7 +5025,9 @@ static void rtl8153b_up(struct r8152 *tp)
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
r8153_aldps_en(tp, true);
r8153b_u1u2en(tp, true);
if (tp->udev->speed != USB_SPEED_HIGH)
r8153b_u1u2en(tp, true);
}
static void rtl8153b_down(struct r8152 *tp)
@ -5527,7 +5530,9 @@ static void r8153b_init(struct r8152 *tp)
ocp_data &= ~CUR_LINK_OK;
ocp_data |= POLL_LINK_CHG;
ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
r8153b_u1u2en(tp, true);
if (tp->udev->speed != USB_SPEED_HIGH)
r8153b_u1u2en(tp, true);
usb_enable_lpm(tp->udev);
/* MAC clock speed down */