linux-kernel - [PATCH] usb: quirks: Add no-lpm quirk for KY-688 USB 3.1 Type-C Hub

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Message-Id: <20171114063115.28847-1-kai.heng.feng@canonical.com>
Date:   Tue, 14 Nov 2017 01:31:15 -0500
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kai-Heng Feng <kai.heng.feng@...onical.com>
Subject: [PATCH] usb: quirks: Add no-lpm quirk for KY-688 USB 3.1 Type-C Hub

KY-688 USB 3.1 Type-C Hub internally uses a Genesys Logic hub to connect
to Realtek r8153.

Similar to commit ("7496cfe5431f2 usb: quirks: Add no-lpm quirk for Moshi
USB to Ethernet Adapter"), no-lpm can make r8153 ethernet work.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.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 a6aaf2f193a4..12246da8fcf6 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -151,6 +151,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* appletouch */
 	{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* Genesys Logic hub, internally used by KY-688 USB 3.1 Type-C Hub */
+	{ USB_DEVICE(0x05e3, 0x0612), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */
 	{ USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM },
 
-- 
2.14.1