linux-kernel - [PATCH 4.4 84/86] USB: Add NO_LPM quirk for Kingston flash drive

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Message-Id: <20201109125024.833723220@linuxfoundation.org>
Date:   Mon,  9 Nov 2020 13:55:31 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Hans de Goede <jwrdegoede@...oraproject.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Julien Humbert <julroy67@...il.com>
Subject: [PATCH 4.4 84/86] USB: Add NO_LPM quirk for Kingston flash drive

From: Alan Stern <stern@...land.harvard.edu>

commit afaa2e745a246c5ab95103a65b1ed00101e1bc63 upstream.

In Bugzilla #208257, Julien Humbert reports that a 32-GB Kingston
flash drive spontaneously disconnects and reconnects, over and over.
Testing revealed that disabling Link Power Management for the drive
fixed the problem.

This patch adds a quirk entry for that drive to turn off LPM permanently.

CC: Hans de Goede <jwrdegoede@...oraproject.org>
CC: <stable@...r.kernel.org>
Reported-and-tested-by: Julien Humbert <julroy67@...il.com>
Signed-off-by: Alan Stern <stern@...land.harvard.edu>
Link: https://lore.kernel.org/r/20201102145821.GA1478741@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/core/quirks.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -217,6 +217,9 @@ static const struct usb_device_id usb_qu
 	{ USB_DEVICE(0x0926, 0x3333), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
 
+	/* Kingston DataTraveler 3.0 */
+	{ USB_DEVICE(0x0951, 0x1666), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
 	{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },