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Date:   Thu, 16 May 2019 17:08:31 +0200
From:   Maximilian Luz <luzmaximilian@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Maximilian Luz <luzmaximilian@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Harry Pan <harry.pan@...el.com>,
        Maxence Duprès <xpros64@...mail.fr>,
        Michael Niewöhner <linux@...ewoehner.de>,
        Nico Sneck <snecknico@...il.com>,
        Emmanuel Pescosta <emmanuelpescosta099@...il.com>,
        Jack Stocker <jackstocker.93@...il.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] USB: Add LPM quirk for Surface Dock GigE adapter

Without USB_QUIRK_NO_LPM ethernet will not work and rtl8152 will
complain with

    r8152 <device...>: Stop submitting intr, status -71

Adding the quirk resolves this. As the dock is externally powered, this
should not have any drawbacks.

Signed-off-by: Maximilian Luz <luzmaximilian@...il.com>
---
 drivers/usb/core/quirks.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 8bc35d53408b..6082b008969b 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -209,6 +209,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* Microsoft LifeCam-VX700 v2.0 */
 	{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Microsoft Surface Dock Ethernet (RTL8153 GigE) */
+	{ USB_DEVICE(0x045e, 0x07c6), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */
 	{ USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
 
-- 
2.21.0

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