Commit a0246daf authored by Hayes Wang's avatar Hayes Wang Committed by David S. Miller
Browse files

r8152: don't enable U1U2 with USB_SPEED_HIGH for RTL8153B 



For certain platforms, it causes USB reset periodically.

Signed-off-by: default avatarHayes Wang <hayeswang@realtek.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d7f1b596

drivers/net/usb/r8152.c

+8 −3
Original line number Diff line number Diff line
@@ -3391,6 +3391,7 @@ 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)

			r8153b_u1u2en(tp, true);

	}

}
@@ -5024,6 +5025,8 @@ 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);



	if (tp->udev->speed != USB_SPEED_HIGH)

		r8153b_u1u2en(tp, true);

}
@@ -5527,6 +5530,8 @@ 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);



	if (tp->udev->speed != USB_SPEED_HIGH)

		r8153b_u1u2en(tp, true);

	usb_enable_lpm(tp->udev);