From: Alan Stern <stern@rowland.harvard.edu>
To: Greg KH <greg@kroah.com>
Cc: Julien Humbert <julroy67@gmail.com>,
Hans de Goede <jwrdegoede@fedoraproject.org>,
USB mailing list <linux-usb@vger.kernel.org>
Subject: [PATCH] USB: Add NO_LPM quirk for Kingston flash drive
Date: Mon, 2 Nov 2020 09:58:21 -0500 [thread overview]
Message-ID: <20201102145821.GA1478741@rowland.harvard.edu> (raw)
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.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Julien Humbert <julroy67@gmail.com>
CC: Hans de Goede <jwrdegoede@fedoraproject.org>
CC: <stable@vger.kernel.org>
---
[as1946]
drivers/usb/core/quirks.c | 3 +++
1 file changed, 3 insertions(+)
Index: usb-devel/drivers/usb/core/quirks.c
===================================================================
--- usb-devel.orig/drivers/usb/core/quirks.c
+++ usb-devel/drivers/usb/core/quirks.c
@@ -370,6 +370,9 @@ 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 },
reply other threads:[~2020-11-02 14:58 UTC|newest]
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